31238512942128

Names of 31238512942128

• Cardinal: 31238512942128 can be written as Thirty-one trillion, two hundred thirty-eight billion, five hundred twelve million, nine hundred forty-two thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.1238512942128 × 10¹³

Factors of 31238512942128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 414

Divisors of 31238512942128

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 24 38 41 48 57 76 82 114 123 152 164 228 246 304 328 349 361 456 492 656 698 722 779 912 984 1047 1083 1396 1444 1558 1968 2094 2166 2337 2792 2888 3116 4188 4332 4674 5584 5776 6232 6631 6859 8376 8664 9348 12464 13262 13718 14309 14801 16752 17328 18696 19893 20577 26524 27436 28618 29602 37392 39786 41154 42927 44403 53048 54872 57236 59204 79572 82308 85854 88806 106096 109744 114472 118408 121801 125989 130321 159144 164616 171708 177612 228944 236816 243602 251978 260642 271871 281219 318288 329232 343416 355224 365403 377967 390963 487204 503956 521284 543742 562438 686832 710448 730806 755934 781926 815613 843657 974408 1007912 1042568 1087484 1124876 1461612 1511868 1563852 1631226 1687314 1948816 2015824 2085136 2174968 2249752 2314219 2393791 2923224 3023736 3127704 3262452 3374628 4349936 4499504 4628438 4787582 4993841 5165549 5343161 5846448 6047472 6255408 6524904 6749256 6942657 7181373 9256876 9575164 9987682 10331098 10686322 13049808 13498512 13885314 14362746 14981523 15496647 16029483 18513752 19150328 19975364 20662196 21372644 27770628 28725492 29963046 30993294 32058966 37027504 38300656 39950728 41324392 42745288 43970161 45482029 55541256 57450984 59926092 61986588 64117932 79901456 82648784 85490576 87940322 90964058 94882979 98145431 111082512 114901968 119852184 123973176 128235864 131910483 136446087 175880644 181928116 189765958 196290862 239704368 247946352 256471728 263820966 272892174 284648937 294436293 351761288 363856232 379531916 392581724 527641932 545784348 569297874 588872586 703522576 727712464 759063832 785163448 835433059 1055283864 1091568696 1138595748 1177745172 1518127664 1570326896 1670866118 1802776601 1864763189 2110567728 2183137392 2277191496 2355490344 2506299177 3341732236 3605553202 3729526378 4554382992 4710980688 5012598354 5408329803 5594289567 6683464472 7211106404 7459052756 10025196708 10816659606 11188579134 13366928944 14422212808 14918105512 15873228121 20050393416 21633319212 22377158268 28844425616 29836211024 31746456242 34252755419 40100786832 43266638424 44754316536 47619684363 63492912484 68505510838 86533276848 89508633072 95239368726 102758266257 126985824968 137011021676 190478737452 205516532514 253971649936 274022043352 380957474904 411033065028 548044086704 650802352961 761914949808 822066130056 1301604705922 1644132260112 1952407058883 2603209411844 3904814117766 5206418823688 7809628235532 10412837647376 15619256471064 31238512942128
• Sum of all divisors σ(n): 87511137006888
• Sum of proper divisors (its aliquot sum) s(n): 56272624064760
• 31238512942128 is an abundant number, because the sum of its proper divisors (56272624064760) is greater than itself. Its abundance is 25034111122632

Bases of 31238512942128

• Binary: 111000110100101001000011101111001110000110000₂
• Hexadecimal: 0x1C6948779C30
• Base-36: B2MRW1UEO

Squares and roots of 31238512942128

• 31238512942128 squared (31238512942128²) is 975844690835498554677168384
• 31238512942128 cubed (31238512942128³) is 30483937004171618513731963010495903281152
• The square root of 31238512942128 is 5589142.4156240643
• The cube root of 31238512942128 is 31494.1663647835

Scales and comparisons

• 31,238,512,942,128 seconds is equal to 993,288 years, 4 weeks, 2 days, 18 hours, 8 minutes, 48 seconds.
• To count from 1 to 31,238,512,942,128 would take you about two million, four hundred eighty-three thousand, two hundred twenty 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 31238512942128 cubic inches would be around 2624.5 feet tall.

Recreational maths with 31238512942128

• 31238512942128 backwards is 82124921583213
• The number of decimal digits it has is: 14
• The sum of 31238512942128's digits is 51
• More coming soon!