31985209984

Names of 31985209984

• Cardinal: 31985209984 can be written as Thirty-one billion, nine hundred eighty-five million, two hundred nine thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 3.1985209984 × 10¹⁰

Factors of 31985209984

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 535

Divisors of 31985209984

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 53 56 64 91 104 106 112 128 182 197 208 212 224 263 364 371 394 416 424 448 526 689 728 742 788 832 848 896 1052 1378 1379 1456 1484 1576 1664 1696 1841 2104 2561 2756 2758 2912 2968 3152 3392 3419 3682 4208 4823 5122 5512 5516 5824 5936 6304 6784 6838 7364 8416 9646 10244 10441 11024 11032 11648 11872 12608 13676 13939 14728 16832 17927 19292 20488 20882 22048 22064 23744 23933 25216 27352 27878 29456 33664 35854 38584 40976 41764 44096 44128 47488 47866 51811 54704 55756 58912 71708 73087 77168 81952 83528 88192 88256 95732 97573 103622 109408 111512 117824 135733 143416 146174 154336 163904 167056 176512 181207 191464 195146 207244 218816 223024 235648 271466 286832 292348 308672 327808 334112 362414 362677 382928 390292 414488 437632 446048 542932 573664 584696 617344 668224 673543 724828 725354 765856 780584 828976 892096 950131 1085864 1147328 1169392 1268449 1336448 1347086 1449656 1450708 1531712 1561168 1657952 1784192 1900262 2171728 2294656 2338784 2536898 2694172 2745983 2899312 2901416 3063424 3122336 3315904 3800524 4343456 4677568 4714801 5073796 5388344 5491966 5798624 5802832 6244672 6631808 7601048 8686912 9355136 9429602 10147592 10776688 10983932 11597248 11605664 12489344 15202096 17373824 18859204 19221881 20295184 21553376 21967864 23194496 23211328 30404192 35697779 37718408 38443762 40590368 43106752 43935728 46422656 60808384 71395558 75436816 76887524 81180736 86213504 87871456 121616768 142791116 150873632 153775048 162361472 175742912 249884453 285582232 301747264 307550096 351485824 499768906 571164464 603494528 615100192 999537812 1142328928 1230200384 1999075624 2284657856 2460400768 3998151248 4569315712 7996302496 15992604992 31985209984
• Sum of all divisors σ(n): 80615969280
• Sum of proper divisors (its aliquot sum) s(n): 48630759296
• 31985209984 is an abundant number, because the sum of its proper divisors (48630759296) is greater than itself. Its abundance is 16645549312

Bases of 31985209984

• Binary: 11101110010011101111001001010000000₂
• Hexadecimal: 0x772779280
• Base-36: EOZ61Z4

Squares and roots of 31985209984

• 31985209984 squared (31985209984²) is 1023053657720573280256
• 31985209984 cubed (31985209984³) is 32722586067091799165847841275904
• The square root of 31985209984 is 178844.0940707855
• The cube root of 31985209984 is 3174.3129100839

Scales and comparisons

• 31,985,209,984 seconds is equal to 1,017 years, 1 week, 4 days, 4 hours, 33 minutes, 4 seconds.
• To count from 1 to 31,985,209,984 would take you about two thousand and thirty-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 31985209984 cubic inches would be around 264.5 feet tall.

Recreational maths with 31985209984

• 31985209984 backwards is 48990258913
• The number of decimal digits it has is: 11
• The sum of 31985209984's digits is 58
• More coming soon!