20978712720
20,978,712,720 is an even composite number composed of seven prime numbers multiplied together.
20978712720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six hundred forty divisors.
Prime factorization of 20978712720:
24 × 33 × 5 × 7 × 41 × 43 × 787
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 41 × 43 × 787)See below for interesting mathematical facts about the number 20978712720 from the Numbermatics database.
Names of 20978712720
- Cardinal: 20978712720 can be written as Twenty billion, nine hundred seventy-eight million, seven hundred twelve thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.097871272 × 1010
Factors of 20978712720
Divisors of 20978712720
- Number of divisors d(n): 640
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 41 42 43 45 48 54 56 60 63 70 72 80 82 84 86 90 105 108 112 120 123 126 129 135 140 144 164 168 172 180 189 205 210 215 216 240 246 252 258 270 280 287 301 315 328 336 344 360 369 378 387 410 420 430 432 492 504 516 540 560 574 602 615 630 645 656 688 720 738 756 774 787 820 840 860 861 903 945 984 1008 1032 1080 1107 1148 1161 1204 1230 1260 1290 1435 1476 1505 1512 1548 1574 1640 1680 1720 1722 1763 1806 1845 1890 1935 1968 2064 2160 2214 2296 2322 2361 2408 2460 2520 2580 2583 2709 2870 2952 3010 3024 3096 3148 3280 3440 3444 3526 3612 3690 3780 3870 3935 4305 4428 4515 4592 4644 4722 4816 4920 5040 5160 5166 5289 5418 5509 5535 5740 5805 5904 6020 6192 6296 6888 7052 7083 7224 7380 7560 7740 7749 7870 8127 8610 8815 8856 9030 9288 9444 9840 10320 10332 10578 10836 11018 11070 11480 11610 11805 12040 12341 12592 12915 13545 13776 14104 14166 14448 14760 15120 15480 15498 15740 15867 16254 16527 17220 17630 17712 18060 18576 18888 20664 21156 21249 21672 22036 22140 22960 23220 23610 24080 24682 25830 26445 27090 27545 28208 28332 29520 30960 30996 31480 31734 32267 32508 33054 33841 34440 35260 35415 36120 37023 37776 38745 40635 41328 42312 42498 43344 44072 44280 46440 47220 47601 49364 49581 51660 52890 54180 55090 56664 61705 61992 62960 63468 64534 65016 66108 67682 68880 70520 70830 72240 74046 77490 79335 81270 82635 84624 84996 88144 88560 92880 94440 95202 96801 98728 99162 101523 103320 105780 106245 108360 110180 111069 113328 123410 123984 126936 129068 130032 132216 135364 141040 141660 148092 148743 154980 158670 161335 162540 165270 169205 169992 185115 188880 190404 193602 197456 198324 203046 206640 211560 212490 216720 220360 222138 225869 236887 238005 246820 247905 253872 258136 264432 270728 283320 290403 296184 297486 304569 309960 317340 322670 325080 330540 333207 338410 339984 370230 380808 387204 396648 406092 423120 424980 440720 444276 451738 473774 476010 484005 493640 495810 507615 516272 541456 555345 566640 580806 592368 594972 609138 619920 634680 645340 650160 661080 666414 676820 677607 710661 740460 743715 761616 774408 793296 812184 849960 871209 888552 903476 913707 947548 952020 968010 987280 991620 1015230 1110690 1129345 1161612 1184435 1189944 1218276 1269360 1290680 1322160 1332828 1353640 1355214 1387481 1421322 1452015 1480920 1487430 1522845 1548816 1624368 1666035 1699920 1742418 1777104 1806952 1827414 1895096 1904040 1936020 1983240 2030460 2032821 2131983 2221380 2258690 2323224 2368870 2379888 2436552 2581360 2665656 2707280 2710428 2774962 2842644 2904030 2961840 2974860 3045690 3332070 3388035 3484836 3553305 3613904 3654828 3790192 3808080 3872040 3966480 4060920 4065642 4162443 4263966 4356045 4442760 4517380 4568535 4646448 4737740 4873104 5331312 5420856 5549924 5685288 5808060 5949720 6091380 6098463 6395949 6664140 6776070 6937405 6969672 7106610 7309656 7744080 8121840 8131284 8324886 8527932 8712090 8885520 9034760 9137070 9475480 9712367 10164105 10659915 10841712 11099848 11370576 11616120 11899440 12182760 12196926 12487329 12791898 13328280 13552140 13874810 13939344 14213220 14619312 16262568 16649772 17055864 17424180 18069520 18274140 18950960 19424734 20328210 20812215 21319830 22199696 23232240 24365520 24393852 24974658 25583796 26656560 27104280 27749620 28426440 29137101 30492315 31979745 32525136 33299544 34111728 34848360 36548280 37461987 38849468 40656420 41624430 42639660 48561835 48787704 49949316 51167592 54208560 55499240 56852880 58274202 60984630 62436645 63959490 66599088 69696720 73096560 74923974 77698936 81312840 83248860 85279320 87411303 97123670 97575408 99898632 102335184 110998480 116548404 121969260 124873290 127918980 145685505 149847948 155397872 162625680 166497720 170558640 174822606 187309935 194247340 199797264 233096808 243938520 249746580 255837960 262233909 291371010 299695896 332995440 349645212 374619870 388494680 437056515 466193616 487877040 499493160 511675920 524467818 582742020 599391792 699290424 749239740 776989360 874113030 998986320 1048935636 1165484040 1311169545 1398580848 1498479480 1748226060 2097871272 2330968080 2622339090 2996958960 3496452120 4195742544 5244678180 6992904240 10489356360 20978712720
- Sum of all divisors σ(n): 86674452480
- Sum of proper divisors (its aliquot sum) s(n): 65695739760
- 20978712720 is an abundant number, because the sum of its proper divisors (65695739760) is greater than itself. Its abundance is 44717027040
Bases of 20978712720
- Binary: 100111000100110110111000000100100002
- Hexadecimal: 0x4E26DC090
- Base-36: 9MY6MC0
Squares and roots of 20978712720
- 20978712720 squared (209787127202) is 440106387388289798400
- 20978712720 cubed (209787127203) is 9232865467255962772740315648000
-
The
square root of 20978712720 is 144840.3007453383 -
The
cube root of 20978712720 is 2757.9916391257
Scales and comparisons
How big is 20978712720?- 20,978,712,720 seconds is equal to 667 years, 3 weeks, 4 hours, 12 minutes.
-
To count from 1 to 20,978,712,720 would take you about one thousand, three hundred thirty-four 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 20978712720 cubic inches would be around 229.8 feet tall.
Recreational maths with 20978712720
- 20978712720 backwards is 02721787902
- 20978712720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20978712720's digits is 45
- More coming soon!
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The information we have on file for 20978712720 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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