231881135490

Names of 231881135490

• Cardinal: 231881135490 can be written as Two hundred thirty-one billion, eight hundred eighty-one million, one hundred thirty-five thousand, four hundred ninety.

Scientific notation

• Scientific notation: 2.3188113549 × 10¹¹

Factors of 231881135490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 235

Divisors of 231881135490

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 45 61 67 90 97 122 134 183 194 201 291 305 335 366 402 485 549 582 603 610 670 873 915 970 1005 1098 1206 1455 1746 1830 2010 2745 2910 3015 4087 4365 4489 5490 5917 6030 6499 8174 8730 8978 9409 11834 12261 12998 13467 17751 18818 19497 20435 22445 24522 26934 28227 29585 32495 35502 36783 38994 40401 40870 44890 47045 53253 56454 58491 59170 61305 64990 67335 73566 80802 84681 88755 94090 97485 106506 116982 122610 134670 141135 169362 177510 183915 194970 202005 266265 273829 282270 292455 367830 396439 404010 423405 435433 532530 547658 573949 584910 630403 792878 821487 846810 870866 1147898 1189317 1260806 1306299 1369145 1642974 1721847 1891209 1982195 2177165 2378634 2464461 2612598 2738290 2869745 3152015 3443694 3567951 3782418 3918897 3964390 4107435 4354330 4928922 5165541 5673627 5739490 5946585 6304030 6531495 7135902 7837794 8214870 8609235 9456045 10331082 11347254 11893170 12322305 13062990 17218470 17839755 18912090 19594485 24644610 25827705 26561413 28368135 35679510 38454583 39188970 42237001 51655410 53122826 56736270 76909166 79684239 84474002 115363749 126711003 132807065 159368478 192272915 211185005 230727498 239052717 253422006 265614130 346091247 380133009 384545830 398421195 422370010 478105434 576818745 633555015 692182494 760266018 796842390 1153637490 1195263585 1267110030 1730456235 1900665045 2390527170 2576457061 3460912470 3801330090 5152914122 7729371183 12882285305 15458742366 23188113549 25764570610 38646855915 46376227098 77293711830 115940567745 231881135490
• Sum of all divisors σ(n): 628535872692
• Sum of proper divisors (its aliquot sum) s(n): 396654737202
• 231881135490 is an abundant number, because the sum of its proper divisors (396654737202) is greater than itself. Its abundance is 164773601712

Bases of 231881135490

• Binary: 11010111111101001100010101010110000010₂
• Hexadecimal: 0x35FD315582
• Base-36: 2YIW1H8I

Squares and roots of 231881135490

• 231881135490 squared (231881135490²) is 53768860996131737540100
• 231881135490 cubed (231881135490³) is 12467984541786999798425047408149000
• The square root of 231881135490 is 481540.3778396989
• The cube root of 231881135490 is 6143.5840771771

Scales and comparisons

• 231,881,135,490 seconds is equal to 7,373 years, 5 weeks, 2 days, 10 hours, 31 minutes, 30 seconds.
• To count from 1 to 231,881,135,490 would take you about fourteen thousand, seven hundred forty-six 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 231881135490 cubic inches would be around 512 feet tall.

Recreational maths with 231881135490

• 231881135490 backwards is 094531188132
• 231881135490 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 231881135490's digits is 45
• More coming soon!