31207819904

Names of 31207819904

• Cardinal: 31207819904 can be written as Thirty-one billion, two hundred seven million, eight hundred nineteen thousand, nine hundred four.

Scientific notation

• Scientific notation: 3.1207819904 × 10¹⁰

Factors of 31207819904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 207

Divisors of 31207819904

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 16 17 32 34 37 64 68 74 128 136 148 151 272 289 296 302 544 578 592 604 629 1088 1156 1184 1208 1258 2176 2312 2368 2416 2516 2567 4624 4736 4832 5032 5134 5587 9248 9664 10064 10268 10693 11174 18496 19328 20128 20536 21386 22348 22801 36992 40256 41072 42772 43639 44696 45602 80512 82144 85544 87278 89392 91204 94979 164288 171088 174556 178784 182408 189958 328576 342176 349112 357568 364816 379916 387617 684352 698224 715136 729632 759832 775234 843637 1368704 1396448 1459264 1519664 1550468 1614643 1687274 2792896 2918528 3039328 3100936 3229286 3374548 5585792 6078656 6201872 6458572 6589489 6749096 12157312 12403744 12917144 13178978 13498192 14341829 24807488 25834288 26357956 26996384 28683658 49614976 51668576 52715912 53992768 57367316 103337152 105431824 107985536 114734632 206674304 210863648 229469264 243811093 421727296 458938528 487622186 843454592 917877056 975244372 1835754112 1950488744 3900977488 7801954976 15603909952 31207819904
• Sum of all divisors σ(n): 68281272990
• Sum of proper divisors (its aliquot sum) s(n): 37073453086
• 31207819904 is an abundant number, because the sum of its proper divisors (37073453086) is greater than itself. Its abundance is 5865633182

Bases of 31207819904

• Binary: 11101000100001000011000101010000000₂
• Hexadecimal: 0x744218A80
• Base-36: EC4BVY8

Squares and roots of 31207819904

• 31207819904 squared (31207819904²) is 973928023160498569216
• 31207819904 cubed (31207819904³) is 30394170346251580234942606475264
• The square root of 31207819904 is 176657.3516839873
• The cube root of 31207819904 is 3148.3848242251

Scales and comparisons

• 31,207,819,904 seconds is equal to 992 years, 16 weeks, 1 day, 14 hours, 51 minutes, 44 seconds.
• To count from 1 to 31,207,819,904 would take you about one thousand, nine hundred eighty-four 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 31207819904 cubic inches would be around 262.4 feet tall.

Recreational maths with 31207819904

• 31207819904 backwards is 40991870213
• The number of decimal digits it has is: 11
• The sum of 31207819904's digits is 44
• More coming soon!