810012081690

Names of 810012081690

• Cardinal: 810012081690 can be written as Eight hundred ten billion, twelve million, eighty-one thousand, six hundred ninety.

Scientific notation

• Scientific notation: 8.1001208169 × 10¹¹

Factors of 810012081690

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3414

Divisors of 810012081690

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 31 35 42 45 49 54 62 63 70 90 93 98 105 126 135 147 155 186 189 210 217 245 270 279 294 310 315 378 434 441 465 490 558 630 651 735 757 837 882 930 945 1085 1302 1323 1395 1470 1514 1519 1674 1890 1953 2170 2205 2271 2609 2646 2790 3038 3255 3785 3906 4185 4410 4542 4557 5218 5299 5859 6510 6615 6813 7570 7595 7827 8370 9114 9765 10598 11355 11718 13045 13230 13626 13671 15190 15654 15897 18263 19530 20439 22710 22785 23467 23481 26090 26495 27342 29295 31794 34065 36526 37093 39135 40878 41013 45570 46934 46962 47691 52990 54789 58590 68130 68355 70401 70443 74186 78270 79485 80879 82026 91315 95382 102195 109578 111279 117335 117405 127841 136710 140802 140886 143073 158970 161758 164269 164367 182630 185465 204390 205065 211203 222558 234670 234810 238455 242637 255682 273945 286146 328538 328734 333837 352005 352215 370930 383523 404395 410130 422406 476910 485274 492807 493101 547890 556395 566153 633609 639205 667674 704010 704430 715365 727911 767046 808790 821345 821835 985614 986202 1001511 1056015 1112790 1132306 1149883 1150569 1213185 1267218 1278410 1430730 1455822 1478421 1642690 1643670 1669185 1698459 1917615 1975013 2003022 2112030 2183733 2299766 2301138 2426370 2464035 2465505 2830765 2956842 3168045 3338370 3396918 3449649 3451707 3639555 3835230 3950026 3963071 4367466 4435263 4928070 4931010 5007555 5095377 5661530 5749415 5752845 5925039 6336090 6899298 6903414 7279110 7392105 7926142 8492295 8870526 9875065 10015110 10190754 10348947 10918665 11498830 11505690 11850078 11889213 13825091 14784210 15286131 16984590 17248245 17258535 17775117 19750130 19815355 20697894 21837330 22176315 23778426 25476885 27650182 29625195 30572262 31046841 34496490 34517070 35550234 35667639 39630710 41475273 44352630 50953770 51744735 53325351 59250390 59446065 61225403 62093682 69125455 71335278 76430655 82950546 88875585 96775637 103489470 106650702 107002917 118892130 122450806 124425819 138250910 152861310 155234205 177751170 178338195 183676209 193551274 207376365 214005834 248851638 266626755 290326911 306127015 310468410 356676390 367352418 373277457 414752730 428577821 483878185 533253510 535014585 551028627 580653822 612254030 622129095 746554914 857155642 870980733 918381045 967756370 1070029170 1102057254 1244258190 1285733463 1451634555 1653085881 1741961466 1836762090 1866387285 2142889105 2571466926 2612942199 2755143135 2903269110 3000044747 3306171762 3732774570 3857200389 4285778210 4354903665 5225884398 5510286270 6000089494 6428667315 7714400778 8265429405 8709807330 9000134241 11571601167 12857334630 13064710995 15000223735 16530858810 18000268482 19286001945 23143202334 26129421990 27000402723 30000447470 38572003890 45000671205 54000805446 57858005835 81001208169 90001342410 115716011670 135002013615 162002416338 270004027230 405006040845 810012081690
• Sum of all divisors σ(n): 2598166886400
• Sum of proper divisors (its aliquot sum) s(n): 1788154804710
• 810012081690 is an abundant number, because the sum of its proper divisors (1788154804710) is greater than itself. Its abundance is 978142723020

Bases of 810012081690

• Binary: 1011110010011000011110110111111000011010₂
• Hexadecimal: 0xBC987B7E1A
• Base-36: AC44A2AI

Squares and roots of 810012081690

• 810012081690 squared (810012081690²) is 656119572483767233256100
• 810012081690 cubed (810012081690³) is 531464780745129140343185357890809000
• The square root of 810012081690 is 900006.7120249715
• The cube root of 810012081690 is 9321.7438640755

Scales and comparisons

• 810,012,081,690 seconds is equal to 25,755 years, 45 weeks, 4 days, 20 hours, 1 minute, 30 seconds.
• To count from 1 to 810,012,081,690 would take you about fifty-one thousand, five hundred eleven 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 810012081690 cubic inches would be around 776.8 feet tall.

Recreational maths with 810012081690

• 810012081690 backwards is 096180210018
• The number of decimal digits it has is: 12
• The sum of 810012081690's digits is 36
• More coming soon!