31405142493218

Names of 31405142493218

• Cardinal: 31405142493218 can be written as Thirty-one trillion, four hundred five billion, one hundred forty-two million, four hundred ninety-three thousand, two hundred eighteen.

Scientific notation

• Scientific notation: 3.1405142493218 × 10¹³

Factors of 31405142493218

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 524

Divisors of 31405142493218

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 13 23 26 29 46 58 169 299 338 377 457 529 598 667 754 841 914 1058 1334 1682 3887 4901 5941 6877 7774 8671 9802 10511 10933 11882 13253 13754 15341 17342 19343 21022 21866 26506 30682 38686 77233 89401 112723 136643 142129 154466 172289 178802 199433 208849 225446 241753 251459 273286 284258 304819 344578 384337 398866 417698 444889 483506 502918 609638 768674 889778 1776359 2239757 2592629 2715037 3142789 3268967 3552718 3962647 4479514 4803527 4996381 5185258 5430074 5783557 6056621 6285578 6537934 7010837 7925294 8839751 9607054 9992762 11567114 12113242 14021674 17679502 35295481 40856257 51514411 62445851 64952953 70590962 75186241 78736073 81712514 91140881 103028822 110481121 114916763 124891702 129905906 139302283 150372482 157472146 175642009 182281762 203314273 220962242 229833526 278604566 351284018 406628546 811796063 1023568949 1184831453 1436254573 1493917919 1623592126 1810929679 2047137898 2283346117 2369662906 2643085549 2872509146 2987835838 3203952509 3621859358 4039766207 4566692234 5286171098 6407905018 8079532414 18671309449 23542085827 29683499521 34360112137 37342618898 41651382617 47084171654 52516960691 59366999042 68720224274 83302765234 92914622761 105033921382 185829245522 541467974021 682720488983 1082935948042 1207890095893 1365440977966 2415780191786 15702571246609 31405142493218
• Sum of all divisors σ(n): 55347675210009
• Sum of proper divisors (its aliquot sum) s(n): 23942532716791
• 31405142493218 is a deficient number, because the sum of its proper divisors (23942532716791) is less than itself. Its deficiency is 7462609776427

Bases of 31405142493218

• Binary: 111001001000000010100010111001100100000100010₂
• Hexadecimal: 0x1C90145CC822
• Base-36: B4RBMZEW2

Squares and roots of 31405142493218

• 31405142493218 squared (31405142493218²) is 986282975019326897175995524
• 31405142493218 cubed (31405142493218³) is 30974357369116930323313911993934568356232
• The square root of 31405142493218 is 5604029.1302970579
• The cube root of 31405142493218 is 31550.0648373631

Scales and comparisons

• 31,405,142,493,218 seconds is equal to 998,586 years, 20 weeks, 1 day, 12 hours, 33 minutes, 38 seconds.
• To count from 1 to 31,405,142,493,218 would take you about two million, four hundred ninety-six thousand, four hundred sixty-five 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 31405142493218 cubic inches would be around 2629.2 feet tall.

Recreational maths with 31405142493218

• 31405142493218 backwards is 81239424150413
• The number of decimal digits it has is: 14
• The sum of 31405142493218's digits is 47
• More coming soon!