19919718897120

Names of 19919718897120

• Cardinal: 19919718897120 can be written as Nineteen trillion, nine hundred nineteen billion, seven hundred eighteen million, eight hundred ninety-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.991971889712 × 10¹³

Factors of 19919718897120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 21343

Divisors of 19919718897120

• Number of divisors d(n): 672
• 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 32 35 36 40 42 45 48 54 56 60 63 70 72 80 81 84 90 96 105 108 112 120 126 135 140 144 160 162 168 180 189 210 216 224 240 243 252 270 280 288 315 324 336 360 378 405 420 432 480 486 504 540 560 567 630 648 672 720 729 756 810 840 864 945 972 1008 1080 1120 1134 1213 1215 1260 1296 1440 1458 1512 1620 1680 1701 1890 1944 2016 2160 2268 2426 2430 2520 2592 2835 2916 3024 3240 3360 3402 3639 3645 3780 3888 4320 4536 4852 4860 5040 5103 5670 5832 6048 6065 6480 6804 7278 7290 7560 7776 8491 8505 9072 9704 9720 10080 10206 10917 11340 11664 12130 12960 13608 14556 14580 15120 16982 17010 18144 18195 19408 19440 20113 20412 21834 22680 23328 24260 25473 25515 27216 29112 29160 30240 32751 33964 34020 36390 38816 38880 40226 40824 42455 43668 45360 48520 50946 51030 54432 54585 58224 58320 60339 65502 67928 68040 72780 76419 80452 81648 84910 87336 90720 97040 98253 100565 101892 102060 109170 116448 116640 120678 127365 131004 135856 136080 140791 145560 152838 160904 163296 163755 169820 174672 181017 194080 196506 201130 203784 204120 218340 229257 241356 254730 262008 271712 272160 281582 291120 294759 301695 305676 321808 327510 339640 349344 362034 382095 393012 402260 407568 408240 422373 436680 458514 482712 491265 509460 524016 543051 563164 582240 589518 603390 611352 643616 655020 679280 687771 703955 724068 764190 786024 804520 815136 816480 844746 873360 884277 905085 917028 965424 982530 1018920 1048032 1086102 1126328 1146285 1179036 1206780 1222704 1267119 1310040 1358560 1375542 1407910 1448136 1473795 1528380 1572048 1609040 1629153 1689492 1746720 1768554 1810170 1834056 1930848 1965060 2037840 2063313 2111865 2172204 2252656 2292570 2358072 2413560 2445408 2534238 2620080 2715255 2751084 2815820 2896272 2947590 3056760 3144096 3218080 3258306 3378984 3438855 3537108 3620340 3668112 3801357 3930120 4075680 4126626 4223730 4344408 4421385 4505312 4585140 4716144 4827120 4887459 5068476 5240160 5430510 5502168 5631640 5792544 5895180 6113520 6189939 6335595 6516612 6757968 6877710 7074216 7240680 7336224 7602714 7860240 8145765 8253252 8447460 8688816 8842770 9170280 9432288 9654240 9774918 10136952 10316565 10861020 11004336 11263280 11404071 11790360 12227040 12379878 12671190 13033224 13515936 13755420 14148432 14481360 14662377 15205428 15720480 16291530 16506504 16894920 17377632 17685540 18340560 19006785 19549836 20273904 20633130 21722040 22008672 22526560 22808142 23580720 24397069 24437295 24759756 25342380 26066448 27510840 28296864 28962720 29324754 30410856 30949695 32583060 33013008 33789840 34212213 35371080 36681120 38013570 39099672 40547808 41266260 43444080 45616284 47161440 48794138 48874590 49519512 50684760 52132896 55021680 57020355 58649508 60821712 61899390 65166120 66026016 67579680 68424426 70742160 73191207 73311885 76027140 78199344 82532520 86888160 91232568 97588276 97749180 99039024 101369520 102636639 110043360 114040710 117299016 121643424 121985345 123798780 130332240 136848852 141484320 146382414 146623770 152054280 156398688 165065040 170779483 171061065 182465136 195176552 195498360 198078048 202739040 205273278 219573621 228081420 234598032 243970690 247597560 260664480 273697704 292764828 293247540 304108560 330130080 341558966 342122130 364930272 365956035 390353104 390996720 410546556 439147242 456162840 469196064 487941380 495195120 512338449 513183195 547395408 585529656 586495080 608217120 658720863 683117932 684244260 731912070 780706208 781993440 821093112 853897415 878294484 912325680 975882760 990390240 1024676898 1026366390 1094790816 1097868105 1171059312 1172990160 1317441726 1366235864 1368488520 1463824140 1537015347 1642186224 1707794830 1756588968 1824651360 1951765520 1976162589 2049353796 2052732780 2195736210 2342118624 2345980320 2561692245 2634883452 2732471728 2736977040 2927648280 3074030694 3284372448 3293604315 3415589660 3513177936 3903531040 3952325178 4098707592 4105465560 4391472420 4611046041 5123384490 5269766904 5464943456 5473954080 5855296560 5928487767 6148061388 6587208630 6831179320 7026355872 7685076735 7904650356 8197415184 8210931120 8782944840 9222092082 9880812945 10246768980 10539533808 11710593120 11856975534 12296122776 13174417260 13662358640 13833138123 15370153470 15809300712 16394830368 16421862240 17565889680 17785463301 18444184164 19761625890 20493537960 21079067616 23055230205 23713951068 24592245552 26348834520 27324717280 27666276246 29642438835 30740306940 31618601424 35131779360 35570926602 36888368328 39523251780 40987075920 41499414369 46110460410 47427902136 49184491104 52697669040 55332552492 59284877670 61480613880 63237202848 69165690615 71141853204 73776736656 79046503560 81974151840 82998828738 88927316505 92220920820 94855804272 105395338080 110665104984 118569755340 122961227760 124498243107 138331381230 142283706408 147553473312 158093007120 165997657476 177854633010 184441841640 189711608544 207497071845 221330209968 237139510680 245922455520 248996486214 276662762460 284567412816 316186014240 331995314952 355709266020 368883683280 414994143690 442660419936 474279021360 497992972428 553325524920 569134825632 622491215535 663990629904 711418532040 737767366560 829988287380 948558042720 995985944856 1106651049840 1244982431070 1327981259808 1422837064080 1659976574760 1991971889712 2213302099680 2489964862140 2845674128160 3319953149520 3983943779424 4979929724280 6639906299040 9959859448560 19919718897120
• Sum of all divisors σ(n): 80708463847872
• Sum of proper divisors (its aliquot sum) s(n): 60788744950752
• 19919718897120 is an abundant number, because the sum of its proper divisors (60788744950752) is greater than itself. Its abundance is 40869026053632

Bases of 19919718897120

• Binary: 100100001110111101011110001001101010111100000₂
• Hexadecimal: 0x121DEBC4D5E0
• Base-36: 726ZQBI00

Squares and roots of 19919718897120

• 19919718897120 squared (19919718897120²) is 396795200940279629144294400
• 19919718897120 cubed (19919718897120³) is 7904048862456615721242586654908592128000
• The square root of 19919718897120 is 4463151.2294700479
• The cube root of 19919718897120 is 27107.8080545977

Scales and comparisons

• 19,919,718,897,120 seconds is equal to 633,385 years, 23 weeks, 1 day, 1 hour, 12 minutes.
• To count from 1 to 19,919,718,897,120 would take you about one million, five hundred eighty-three thousand, four hundred sixty-three 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 19919718897120 cubic inches would be around 2259 feet tall.

Recreational maths with 19919718897120

• 19919718897120 backwards is 02179881791991
• 19919718897120 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 19919718897120's digits is 72
• More coming soon!