81990788353884160
81,990,788,353,884,160 is an even composite number composed of six prime numbers multiplied together.
81990788353884160 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand, two hundred sixty-eight divisors.
Prime factorization of 81990788353884160:
220 × 5 × 172 × 292 × 372 × 47
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 17 × 17 × 29 × 29 × 37 × 37 × 47)See below for interesting mathematical facts about the number 81990788353884160 from the Numbermatics database.
Names of 81990788353884160
- Cardinal: 81990788353884160 can be written as Eighty-one quadrillion, nine hundred ninety trillion, seven hundred eighty-eight billion, three hundred fifty-three million, eight hundred eighty-four thousand, one hundred sixty.
Scientific notation
- Scientific notation: 8.199078835388416 × 1016
Factors of 81990788353884160
Divisors of 81990788353884160
- Number of divisors d(n): 2268
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 29 32 34 37 40 47 58 64 68 74 80 85 94 116 128 136 145 148 160 170 185 188 232 235 256 272 289 290 296 320 340 370 376 464 470 493 512 544 578 580 592 629 640 680 740 752 799 841 928 940 986 1024 1073 1088 1156 1160 1184 1258 1280 1360 1363 1369 1445 1480 1504 1598 1682 1739 1856 1880 1972 2048 2146 2176 2312 2320 2368 2465 2516 2560 2720 2726 2738 2890 2960 3008 3145 3196 3364 3478 3712 3760 3944 3995 4096 4205 4292 4352 4624 4640 4736 4930 5032 5120 5365 5440 5452 5476 5780 5920 6016 6290 6392 6728 6815 6845 6956 7424 7520 7888 7990 8192 8381 8410 8584 8695 8704 9248 9280 9472 9860 10064 10240 10693 10730 10880 10904 10952 11560 11840 12032 12580 12784 13456 13583 13630 13690 13912 14297 14848 15040 15776 15980 16384 16762 16820 17168 17390 17408 18241 18496 18560 18944 19720 20128 20480 21386 21460 21760 21808 21904 23120 23171 23273 23680 24064 25160 25568 26912 27166 27260 27380 27824 28594 29563 29696 30080 31117 31552 31960 32768 33524 33640 34336 34780 34816 36482 36992 37120 37888 39440 39527 39701 40256 40960 41905 42772 42920 43520 43616 43808 46240 46342 46546 47360 48128 50320 50431 51136 53465 53824 54332 54520 54760 55648 57188 59126 59392 60160 62234 63104 63920 64343 65536 67048 67280 67915 68672 69560 69632 71485 72964 73984 74240 75776 78880 79054 79402 80512 81920 83810 85544 85840 87040 87232 87616 91205 92480 92684 93092 94720 96256 100640 100862 102272 106930 107648 108664 109040 109520 111296 114376 115855 116365 118252 118784 120320 124468 126208 127840 128686 131072 134096 134560 135830 137344 139120 139264 142970 145928 147815 147968 148480 151552 155585 157760 158108 158804 161024 163840 167620 171088 171680 174080 174464 175232 182410 184960 185368 186184 189440 192512 197635 198505 201280 201724 204544 213860 215296 217328 218080 219040 222592 228752 231710 232730 236504 237568 240640 243049 248936 252155 252416 255680 257372 262144 268192 269120 271660 274688 278240 278528 285940 291856 295630 295936 296960 303104 310097 311170 315520 316216 317608 321715 322048 327680 335240 342176 343360 348160 348928 350464 364820 369920 370736 372368 378880 385024 393907 395270 395641 397010 402560 403448 409088 427720 430592 434656 436160 438080 445184 457504 463420 465460 473008 475136 481280 486098 497872 502571 504310 504832 511360 514744 524288 528989 536384 538240 543320 549376 556480 557056 571880 583712 591260 591872 593920 606208 620194 622340 631040 632432 635216 643430 644096 655360 670480 671959 674917 684352 686720 696320 697856 700928 729640 739840 741472 744736 757760 770048 787814 790540 791282 794020 805120 806896 818176 855440 857327 861184 869312 872320 876160 890368 915008 926840 930920 946016 950272 962560 972196 995744 1005142 1008620 1009664 1022720 1029488 1048576 1057978 1072768 1076480 1086640 1093831 1098752 1112960 1114112 1143760 1151329 1167424 1182520 1183744 1187840 1212416 1215245 1240388 1244680 1262080 1264864 1270432 1286860 1288192 1310720 1340960 1343918 1349834 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4073469214720 4157747888128 4328061040640 4417607131136 4432892968960 4494862581760 4709948779520 4714823942144 4775791493120 4874600972288 4891468103680 5004320578240 5130837819392 5197184860160 5451515183104 5522008913920 5734824673280 5893529927680 5989100683264 6015465029632 6036279787520 6093251215360 6413547274240 6517550743552 6814393978880 6924897665024 7092628750336 7486375854080 7519331287040 7535918047232 7641266388992 7667706757120 8006912925184 8146938429440 8315495776256 8656122081280 8835214262272 8865785937920 9419897559040 9429647884288 9551582986240 9749201944576 9782936207360 10008641156480 10261675638784 10394369720320 10903030366208 11044017827840 11787059855360 11978201366528 12030930059264 12186502430720 12827094548480 13035101487104 13628787957760 13849795330048 14185257500672 14972751708160 15038662574080 15071836094464 15282532777984 16013825850368 16293876858880 16630991552512 17312244162560 17670428524544 17731571875840 18839795118080 19103165972480 19498403889152 20017282312960 20523351277568 20788739440640 21806060732416 22088035655680 23574119710720 24373004861440 25654189096960 26070202974208 27257575915520 27699590660096 28370515001344 29945503416320 30077325148160 30143672188928 32027651700736 32587753717760 33261983105024 34624488325120 35340857049088 35463143751680 37679590236160 38206331944960 40034564625920 41577478881280 43612121464832 44176071311360 47148239421440 48746009722880 51308378193920 54515151831040 55399181320192 56741030002688 59891006832640 60154650296320 60287344377856 64055303401472 65175507435520 69248976650240 70681714098176 70926287503360 75359180472320 76412663889920 80069129251840 83154957762560 87224242929664 88352142622720 97492019445760 102616756387840 109030303662080 110798362640384 120574688755712 128110606802944 130351014871040 138497953300480 141363428196352 141852575006720 150718360944640 160138258503680 166309915525120 174448485859328 176704285245440 218060607324160 221596725280768 241149377511424 256221213605888 276995906600960 282726856392704 283705150013440 301436721889280 320276517007360 348896971718656 353408570490880 436121214648320 443193450561536 482298755022848 512442427211776 553991813201920 565453712785408 602873443778560 640553034014720 706817140981760 872242429296640 964597510045696 1024884854423552 1107983626403840 1205746887557120 1281106068029440 1413634281963520 1744484858593280 2049769708847104 2215967252807680 2411493775114240 2562212136058880 2827268563927040 4099539417694208 4822987550228480 5124424272117760 8199078835388416 10248848544235520 16398157670776832 20497697088471040 40995394176942080 81990788353884160
- Sum of all divisors σ(n): 227233740535899552
- Sum of proper divisors (its aliquot sum) s(n): 145242952182015392
- 81990788353884160 is an abundant number, because the sum of its proper divisors (145242952182015392) is greater than itself. Its abundance is 63252163828131232
Bases of 81990788353884160
- Binary: 1001000110100101000110000000001101011000000000000000000002
- Hexadecimal: 0x1234A3006B00000
- Base-36: MFBB46MHB0G
Squares and roots of 81990788353884160
- 81990788353884160 squared (819907883538841602) is 6722489374891426403470158698905600
- 81990788353884160 cubed (819907883538841603) is 551182203547957970806901770202183077841701175296000
-
The
square root of 81990788353884160 is 286340336.5819844809 -
The
cube root of 81990788353884160 is 434431.8797456953
Scales and comparisons
How big is 81990788353884160?- 81,990,788,353,884,160 seconds is equal to 2,607,053,455 years, 25 weeks, 4 days, 14 hours, 2 minutes, 40 seconds.
-
To count from 1 to 81,990,788,353,884,160 would take you about seven billion, eight hundred twenty-one million, one hundred sixty thousand, three hundred sixty-six years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 81990788353884160 cubic inches would be around 36202.7 feet tall.
Recreational maths with 81990788353884160
- 81990788353884160 backwards is 06148835388709918
- The number of decimal digits it has is: 17
- The sum of 81990788353884160's digits is 88
- More coming soon!
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Cite this page
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"Number 81990788353884160 - Facts about the integer". Numbermatics.com. 2024. Web. 12 June 2024.
APA style:
Numbermatics. (2024). Number 81990788353884160 - Facts about the integer. Retrieved 12 June 2024, from https://numbermatics.com/n/81990788353884160/
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The information we have on file for 81990788353884160 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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