813012227720

Names of 813012227720

• Cardinal: 813012227720 can be written as Eight hundred thirteen billion, twelve million, two hundred twenty-seven thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 8.1301222772 × 10¹¹

Factors of 813012227720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 236

Divisors of 813012227720

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 49 55 56 70 77 88 98 110 121 140 154 196 211 220 242 245 280 308 343 385 392 422 440 484 490 539 605 616 686 770 844 847 968 980 1055 1078 1210 1331 1372 1477 1540 1688 1694 1715 1960 2110 2156 2321 2420 2662 2695 2744 2954 3080 3388 3430 3773 4220 4235 4312 4642 4840 5324 5390 5908 5929 6655 6776 6860 7385 7546 8440 8470 9284 9317 10339 10648 10780 11605 11816 11858 13310 13720 14770 15092 16247 16940 18568 18634 18865 20678 21560 23210 23716 25531 26620 29540 29645 30184 32494 33880 37268 37730 41356 41503 44521 46420 46585 47432 51062 51695 53240 59080 59290 64988 65219 72373 74536 75460 81235 82712 83006 89042 92840 93170 102124 103390 113729 118580 127655 129976 130438 144746 150920 162470 166012 178084 178717 186340 204248 206780 207515 222605 227458 237160 255310 260876 280841 289492 311647 324940 326095 332024 356168 357434 361865 372680 413560 415030 445210 454916 456533 489731 510620 521752 561682 568645 578984 623294 649880 652190 714868 723730 796103 830060 890420 893585 909832 913066 979462 1021240 1123364 1137290 1246588 1251019 1304380 1404205 1429736 1447460 1558235 1592206 1660120 1780840 1787170 1826132 1958924 1965887 2181529 2246728 2274580 2282665 2448655 2493176 2502038 2608760 2808410 2894920 3116470 3184412 3428117 3574340 3652264 3917848 3931774 3980515 4363058 4549160 4565330 4897310 5004076 5387041 5616820 6232940 6255095 6368824 6856234 7148680 7863548 7961030 8726116 8757133 9130660 9794620 9829435 10008152 10774082 10907645 11233640 12465880 12510190 13712468 13761209 15270703 15727096 15922060 17140585 17452232 17514266 18261320 19589240 19658870 21548164 21815290 23996819 25020380 26935205 27424936 27522418 30541406 31844120 34281170 35028532 37709287 39317740 43096328 43630580 43785665 47993638 50040760 53870410 55044836 59257451 61082812 68562340 68806045 70057064 75418574 76353515 78635480 87261160 87571330 95987276 96328463 107740820 110089672 118514902 119984095 122165624 137124680 137612090 150837148 152707030 167977733 175142660 188546435 191974552 192656926 215481640 237029804 239968190 263965009 275224180 296287255 301674296 305414060 335955466 350285320 377092870 385313852 414802157 474059608 479936380 481642315 527930018 550448360 592574510 610828120 671910932 754185740 770627704 829604314 839888665 959872760 963284630 1055860036 1185149020 1319825045 1343821864 1508371480 1659208628 1679777330 1847755063 1926569260 2074010785 2111720072 2370298040 2639650090 2903615099 3318417256 3359554660 3695510126 3853138520 4148021570 5279300180 5807230198 6719109320 7391020252 8296043140 9238775315 10558600360 11614460396 14518075495 14782040504 16592086280 18477550630 20325305693 23228920792 29036150990 36955101260 40650611386 58072301980 73910202520 81301222772 101626528465 116144603960 162602445544 203253056930 406506113860 813012227720
• Sum of all divisors σ(n): 2357608032000
• Sum of proper divisors (its aliquot sum) s(n): 1544595804280
• 813012227720 is an abundant number, because the sum of its proper divisors (1544595804280) is greater than itself. Its abundance is 731583576560

Bases of 813012227720

• Binary: 1011110101001011010011100001011010001000₂
• Hexadecimal: 0xBD4B4E1688
• Base-36: ADHQHLS8

Squares and roots of 813012227720

• 813012227720 squared (813012227720²) is 660988882422237136398400
• 813012227720 cubed (813012227720³) is 537392043796256163929376681443648000
• The square root of 813012227720 is 901671.9069151483
• The cube root of 813012227720 is 9333.2383987567

Scales and comparisons

• 813,012,227,720 seconds is equal to 25,851 years, 14 weeks, 1 day, 17 hours, 55 minutes, 20 seconds.
• To count from 1 to 813,012,227,720 would take you about fifty-one thousand, seven 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 813012227720 cubic inches would be around 777.8 feet tall.

Recreational maths with 813012227720

• 813012227720 backwards is 027722210318
• 813012227720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 813012227720's digits is 35
• More coming soon!