31048978209921

Names of 31048978209921

• Cardinal: 31048978209921 can be written as Thirty-one trillion, forty-eight billion, nine hundred seventy-eight million, two hundred nine thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 3.1048978209921 × 10¹³

Factors of 31048978209921

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 618

Divisors of 31048978209921

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 241 367 441 567 723 1101 1323 1687 2169 2569 3303 3969 5061 6507 7707 9909 11809 15183 17983 19521 23121 29727 35427 45549 53949 58081 69363 88447 106281 134689 136647 161847 174243 208089 265341 318843 404067 406567 485541 522729 619129 796023 942823 956529 1212201 1219701 1456623 1568187 1857387 2388069 2828469 2845969 3636603 3659103 4333903 4704561 5572161 6599761 7164207 8485407 8537907 10909809 10977309 13001709 16716483 19799283 21315727 25456221 25613721 32460049 32931927 39005127 50149449 59397849 63947181 76368663 76841163 97380147 117015381 149210089 178193547 191841543 227220343 230523489 292140441 351046143 447630267 534580641 575524629 681661029 876421323 1044470623 1342890801 1590542401 1726573887 2044983087 2629263969 3133411869 4028672403 4771627203 6134949261 7822871809 9400235607 12086017209 14314881609 18404847783 23468615427 28200706821 42944644827 54760102663 70405846281 84602120463 128833934481 164280307989 211217538843 383320718641 492840923967 633652616529 1149962155923 1478522771901 3449886467769 4435568315703 10349659403307 31048978209921
• Sum of all divisors σ(n): 54327182147667
• Sum of proper divisors (its aliquot sum) s(n): 23278203937746
• 31048978209921 is a deficient number, because the sum of its proper divisors (23278203937746) is less than itself. Its deficiency is 7770774272175

Bases of 31048978209921

• Binary: 111000011110100100111010100010001110010000001₂
• Hexadecimal: 0x1C3D27511C81
• Base-36: B07PBYR29

Squares and roots of 31048978209921

• 31048978209921 squared (31048978209921²) is 964039047880149065542826241
• 31048978209921 cubed (31048978209921³) is 29932427391143735942808542002447325336961
• 31048978209921 is a perfect square number. Its square root is 5572161
• The cube root of 31048978209921 is 31430.3418188101

Scales and comparisons

• 31,048,978,209,921 seconds is equal to 987,261 years, 24 weeks, 1 day, 17 hours, 25 minutes, 21 seconds.
• To count from 1 to 31,048,978,209,921 would take you about two million, four hundred sixty-eight thousand, one hundred fifty-three 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 31048978209921 cubic inches would be around 2619.2 feet tall.

Recreational maths with 31048978209921

• 31048978209921 backwards is 12990287984013
• 31048978209921 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31048978209921's digits is 63
• More coming soon!