31205906432

Names of 31205906432

• Cardinal: 31205906432 can be written as Thirty-one billion, two hundred five million, nine hundred six thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 3.1205906432 × 10¹⁰

Factors of 31205906432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 332

Divisors of 31205906432

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 16 19 32 38 47 64 76 94 113 128 151 152 188 226 256 302 304 376 452 512 604 608 752 893 904 1024 1208 1216 1504 1786 1808 2048 2147 2416 2432 2869 3008 3572 3616 4294 4832 4864 5311 5738 6016 7097 7144 7232 8588 9664 9728 10622 11476 12032 14194 14288 14464 17063 17176 19328 19456 21244 22952 24064 28388 28576 28928 34126 34352 38656 38912 42488 45904 48128 56776 57152 57856 68252 68704 77312 84976 91808 96256 100909 113552 114304 115712 134843 136504 137408 154624 169952 183616 201818 227104 228608 231424 269686 273008 274816 309248 324197 339904 367232 403636 454208 457216 539372 546016 549632 648394 679808 734464 801961 807272 908416 914432 1078744 1092032 1099264 1296788 1359616 1468928 1603922 1614544 1816832 1828864 2157488 2184064 2198528 2593576 2719232 2937856 3207844 3229088 3633664 4314976 4368128 4397056 5187152 5438464 5875712 6415688 6458176 7267328 8629952 8736256 10374304 10876928 12831376 12916352 14534656 15237259 17259904 17472512 20748608 25662752 25832704 30474518 34519808 34945024 41497216 51325504 51665408 60949036 69039616 82994432 102651008 103330816 121898072 138079232 165988864 205302016 206661632 243796144 276158464 331977728 410604032 487592288 663955456 821208064 975184576 1642416128 1950369152 3900738304 7801476608 15602953216 31205906432
• Sum of all divisors σ(n): 68119833600
• Sum of proper divisors (its aliquot sum) s(n): 36913927168
• 31205906432 is an abundant number, because the sum of its proper divisors (36913927168) is greater than itself. Its abundance is 5708020736

Bases of 31205906432

• Binary: 11101000100000001000101100000000000₂
• Hexadecimal: 0x744045800
• Base-36: EC36VI8

Squares and roots of 31205906432

• 31205906432 squared (31205906432²) is 973808596242738970624
• 31205906432 cubed (31205906432³) is 30388579937028179076692540653568
• The square root of 31205906432 is 176651.9358286231
• The cube root of 31205906432 is 3148.3204763645

Scales and comparisons

• 31,205,906,432 seconds is equal to 992 years, 13 weeks, 11 hours, 20 minutes, 32 seconds.
• To count from 1 to 31,205,906,432 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 31205906432 cubic inches would be around 262.4 feet tall.

Recreational maths with 31205906432

• 31205906432 backwards is 23460950213
• The number of decimal digits it has is: 11
• The sum of 31205906432's digits is 35
• More coming soon!