31089401856

Names of 31089401856

• Cardinal: 31089401856 can be written as Thirty-one billion, eighty-nine million, four hundred one thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 3.1089401856 × 10¹⁰

Factors of 31089401856

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 46858

Divisors of 31089401856

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 288 324 384 432 512 576 648 768 864 1024 1152 1296 1536 1728 2048 2304 2592 3072 3456 4096 4608 5184 6144 6912 8192 9216 10368 12288 13824 18432 20736 24576 27648 36864 41472 46853 55296 73728 82944 93706 110592 140559 165888 187412 221184 281118 331776 374824 421677 562236 663552 749648 843354 1124472 1265031 1499296 1686708 2248944 2530062 2998592 3373416 3795093 4497888 5060124 5997184 6746832 7590186 8995776 10120248 11994368 13493664 15180372 17991552 20240496 23988736 26987328 30360744 35983104 40480992 47977472 53974656 60721488 71966208 80961984 95954944 107949312 121442976 143932416 161923968 191909888 215898624 242885952 287864832 323847936 383819776 431797248 485771904 575729664 647695872 863594496 971543808 1151459328 1295391744 1727188992 1943087616 2590783488 3454377984 3886175232 5181566976 7772350464 10363133952 15544700928 31089401856
• Sum of all divisors σ(n): 92880698922
• Sum of proper divisors (its aliquot sum) s(n): 61791297066
• 31089401856 is an abundant number, because the sum of its proper divisors (61791297066) is greater than itself. Its abundance is 30701895210

Bases of 31089401856

• Binary: 11100111101000100101010000000000000₂
• Hexadecimal: 0x73D12A000
• Base-36: EA5TS00

Squares and roots of 31089401856

• 31089401856 squared (31089401856²) is 966550907763856244736
• 31089401856 cubed (31089401856³) is 30049489585752117144812588630016
• The square root of 31089401856 is 176321.8700445297
• The cube root of 31089401856 is 3144.3975955421

Scales and comparisons

• 31,089,401,856 seconds is equal to 988 years, 28 weeks, 3 days, 57 minutes, 36 seconds.
• To count from 1 to 31,089,401,856 would take you about one thousand, nine hundred seventy-seven 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 31089401856 cubic inches would be around 262 feet tall.

Recreational maths with 31089401856

• 31089401856 backwards is 65810498013
• The number of decimal digits it has is: 11
• The sum of 31089401856's digits is 45
• More coming soon!