31802470128

Names of 31802470128

• Cardinal: 31802470128 can be written as Thirty-one billion, eight hundred two million, four hundred seventy thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.1802470128 × 10¹⁰

Factors of 31802470128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1279

Divisors of 31802470128

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 33 36 39 44 48 52 54 66 72 78 81 88 99 104 108 117 132 143 144 156 157 162 176 198 208 216 234 264 286 297 312 314 324 351 396 429 432 468 471 528 572 594 624 628 648 702 792 858 891 936 942 1053 1093 1144 1188 1256 1287 1296 1404 1413 1584 1716 1727 1782 1872 1884 2041 2106 2186 2288 2376 2512 2574 2808 2826 3279 3432 3454 3564 3768 3861 4082 4212 4239 4372 4752 5148 5181 5616 5652 6123 6558 6864 6908 7128 7536 7722 8164 8424 8478 8744 9837 10296 10362 11304 11583 12023 12246 12717 13116 13816 14209 14256 15444 15543 16328 16848 16956 17488 18369 19674 20592 20724 22451 22608 23166 24046 24492 25434 26232 27632 28418 29511 30888 31086 32656 33912 36069 36738 39348 41448 42627 44902 46332 46629 48092 48984 50868 52464 55107 56836 59022 61776 62172 67353 67824 72138 73476 78696 82896 85254 88533 89804 92664 93258 96184 97968 101736 108207 110214 113672 118044 124344 127881 134706 139887 144276 146952 156299 157392 165321 170508 171601 177066 179608 185328 186516 192368 202059 203472 216414 220428 227344 236088 248688 255762 269412 279774 288552 293904 312598 324621 330642 341016 343202 354132 359216 373032 383643 404118 432828 440856 468897 472176 511524 514803 538824 559548 577104 606177 625196 649242 661284 682032 686404 708264 746064 767286 808236 865656 881712 937794 973863 1023048 1029606 1077648 1119096 1150929 1212354 1250392 1298484 1322568 1372808 1406691 1416528 1534572 1544409 1616472 1731312 1818531 1875588 1887611 1947726 2046096 2059212 2230813 2238192 2301858 2424708 2500784 2596968 2645136 2745616 2813382 3069144 3088818 3232944 3637062 3751176 3775222 3895452 4118424 4220073 4461626 4603716 4633227 4849416 5193936 5626764 5662833 6138288 6177636 6692439 7274124 7502352 7550444 7790904 8236848 8440146 8923252 9207432 9266454 9698832 11253528 11325666 12355272 12660219 13384878 13899681 14548248 15100888 15581808 16880292 16988499 17846504 18414864 18532908 20077317 22507056 22651332 24538943 24710544 25320438 26769756 27799362 29096496 30201776 33760584 33976998 35693008 37065816 40154634 45302664 49077886 50640876 50965497 53539512 55598724 60231951 67521168 67953996 73616829 74131632 80309268 90605328 98155772 101281752 101930994 107079024 111197448 120463902 135907992 147233658 152896491 160618536 180695853 196311544 202563504 203861988 220850487 222394896 240927804 271815984 294467316 305792982 321237072 361391706 392623088 407723976 441700974 481855608 588934632 611585964 662551461 722783412 815447952 883401948 963711216 1177869264 1223171928 1325102922 1445566824 1766803896 1987654383 2446343856 2650205844 2891133648 3533607792 3975308766 5300411688 7950617532 10600823376 15901235064 31802470128
• Sum of all divisors σ(n): 108925799136
• Sum of proper divisors (its aliquot sum) s(n): 77123329008
• 31802470128 is an abundant number, because the sum of its proper divisors (77123329008) is greater than itself. Its abundance is 45320858880

Bases of 31802470128

• Binary: 11101100111100100110010111011110000₂
• Hexadecimal: 0x767932EF0
• Base-36: ELYDB00

Squares and roots of 31802470128

• 31802470128 squared (31802470128²) is 1011397106242332336384
• 31802470128 cubed (31802470128³) is 32164926258817416456900607537152
• The square root of 31802470128 is 178332.4707617769
• The cube root of 31802470128 is 3168.2561345939

Scales and comparisons

• 31,802,470,128 seconds is equal to 1,011 years, 11 weeks, 3 days, 3 hours, 28 minutes, 48 seconds.
• To count from 1 to 31,802,470,128 would take you about two thousand and twenty-two 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 31802470128 cubic inches would be around 264 feet tall.

Recreational maths with 31802470128

• 31802470128 backwards is 82107420813
• 31802470128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31802470128's digits is 36
• More coming soon!