21491429323980

Names of 21491429323980

• Cardinal: 21491429323980 can be written as Twenty-one trillion, four hundred ninety-one billion, four hundred twenty-nine million, three hundred twenty-three thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.149142932398 × 10¹³

Factors of 21491429323980

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 11273

Divisors of 21491429323980

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 10 11 12 14 15 17 20 21 22 28 30 33 34 35 42 44 51 55 60 66 68 70 77 84 85 102 105 110 119 121 132 140 154 165 170 187 204 210 220 231 238 242 255 308 330 340 357 363 374 385 420 462 476 484 510 561 595 605 660 714 726 748 770 847 924 935 1020 1122 1155 1190 1210 1309 1428 1452 1540 1694 1785 1815 1870 2057 2244 2310 2380 2420 2541 2618 2805 3037 3388 3570 3630 3740 3927 4114 4235 4620 5082 5236 5610 6074 6171 6545 7140 7260 7854 8191 8228 8470 9111 10164 10285 11220 12148 12342 12705 13090 14399 15185 15708 16382 16940 18222 19635 20570 21259 24573 24684 25410 26180 28798 30370 30855 32764 33407 36444 39270 40955 41140 42518 43197 45555 49146 50820 51629 57337 57596 60740 61710 63777 66814 71995 78540 81910 85036 86394 90101 91110 98292 100221 103258 106295 114674 122865 123420 127554 133628 139247 143990 154887 163820 167035 172011 172788 180202 182220 200442 206516 212590 215985 229348 233849 245730 255108 258145 270303 278494 286685 287980 309774 318885 334070 344022 360404 361403 367477 400884 417741 425180 431970 450505 467698 491460 501105 516290 540606 556988 567919 573370 619548 630707 637770 668140 688044 696235 701547 722806 734954 774435 835482 860055 863940 901010 935396 974729 991111 1002210 1032580 1081212 1084209 1102431 1135838 1146740 1169245 1261414 1275540 1351515 1392470 1403094 1445612 1469908 1531717 1548870 1670964 1703757 1720110 1802020 1807015 1837385 1892121 1949458 1982222 2004420 2088705 2168418 2204862 2271676 2338490 2522828 2572339 2703030 2784940 2806188 2839595 2924187 2973333 3063434 3097740 3153535 3407514 3440220 3507735 3614030 3674770 3784242 3898916 3964444 3975433 4177410 4336836 4409724 4595151 4676980 4873645 4955555 5144678 5406060 5421045 5512155 5679190 5848374 5946666 6126868 6247109 6307070 6815028 6937777 7015470 7228060 7349540 7568484 7658585 7717017 7950866 8354820 8518785 9190302 9460605 9747290 9911110 10289356 10722019 10842090 11024310 11358380 11696748 11893332 11926299 12494218 12614140 12861695 13875554 14030940 14620935 14866665 15317170 15434034 15901732 16848887 17037570 18380604 18741327 18921210 19494580 19822220 19877165 20813331 21444038 21684180 22048620 22975755 23852598 24876067 24988436 25723390 27751108 29241870 29733330 30634340 30868068 31235545 32166057 33697774 34075140 34688885 37482654 37842420 38585085 39754330 41626662 42888076 43729763 45951510 47705196 49752134 50546661 51446780 53610095 58483740 59466660 59631495 62471090 64332114 67395548 69377770 74628201 74965308 77170170 79508660 83253324 84244435 87459526 91903020 93706635 99504268 101093322 104066655 107220190 117942209 119262990 124380335 124942180 128664228 131189289 138755540 149256402 154340340 160830285 168488870 174132469 174919052 187413270 202186644 208133310 214440380 218648815 235884418 238525980 248760670 252733305 262378578 273636737 298512804 321660570 336977740 348264938 353826627 373141005 374826540 416266620 422893139 437297630 471768836 497521340 505466610 522397407 524757156 547273474 589711045 643321140 655946445 696529876 707653254 746282010 820910211 845786278 870662345 874595260 1010933220 1044794814 1094546948 1179422090 1268679417 1311892890 1368183685 1415306508 1492564020 1641820422 1691572556 1741324690 1769133135 1915457159 2089589628 2114465695 2358844180 2537358834 2611987035 2623785780 2736367370 2960251973 3010004107 3283640844 3482649380 3538266270 3830914318 4104551055 4228931390 4651824529 5074717668 5223974070 5472734740 5746371477 5920503946 6020008214 6343397085 7076532540 7661828636 8209102110 8457862780 8880755919 9030012321 9303649058 9577285795 10447948140 11492742954 11841007892 12040016428 12686794170 13955473587 14801259865 15050020535 16418204220 17761511838 18060024642 18607298116 19154571590 21070028749 22985485908 23259122645 25373588340 27910947174 28731857385 29602519730 30100041070 32562771703 35523023676 36120049284 38309143180 42140057498 44403779595 45150061605 46518245290 51170069819 55821894348 57463714770 59205039460 60200082140 63210086247 65125543406 69777367935 84280114996 88807559190 90300123210 93036490580 97688315109 102340139638 105350143745 114927429540 126420172494 130251086812 139554735870 153510209457 162813858515 177615118380 180600246420 195376630218 204680279276 210700287490 252840344988 255850349095 279109471740 307020418914 316050431235 325627717030 358190488733 390753260436 421400574980 488441575545 511700698190 614040837828 632100862470 651255434060 716380977466 767551047285 976883151090 1023401396380 1074571466199 1264201724940 1432761954932 1535102094570 1790952443665 1953766302180 2149142932398 3070204189140 3581904887330 4298285864796 5372857330995 7163809774660 10745714661990 21491429323980
• Sum of all divisors σ(n): 80075770822656
• Sum of proper divisors (its aliquot sum) s(n): 58584341498676
• 21491429323980 is an abundant number, because the sum of its proper divisors (58584341498676) is greater than itself. Its abundance is 37092912174696

Bases of 21491429323980

• Binary: 100111000101111011101000000101011010011001100₂
• Hexadecimal: 0x138BDD02B4CC
• Base-36: 7M90Y4KWC

Squares and roots of 21491429323980

• 21491429323980 squared (21491429323980²) is 461881534387627439803040400
• 21491429323980 cubed (21491429323980³) is 9926494352343133111882354688120628792000
• The square root of 21491429323980 is 4635884.9558611783
• The cube root of 21491429323980 is 27802.7934514937

Scales and comparisons

• 21,491,429,323,980 seconds is equal to 683,360 years, 50 weeks, 4 days, 22 hours, 53 minutes.
• To count from 1 to 21,491,429,323,980 would take you about one million, seven hundred eight thousand, four hundred two 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 21491429323980 cubic inches would be around 2316.9 feet tall.

Recreational maths with 21491429323980

• 21491429323980 backwards is 08932392419412
• The number of decimal digits it has is: 14
• The sum of 21491429323980's digits is 57
• More coming soon!