31945345518564930

Names of 31945345518564930

• Cardinal: 31945345518564930 can be written as Thirty-one quadrillion, nine hundred forty-five trillion, three hundred forty-five billion, five hundred eighteen million, five hundred sixty-four thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 3.194534551856493 × 10¹⁶

Factors of 31945345518564930

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 805613

Divisors of 31945345518564930

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 10 15 17 30 34 51 53 85 102 106 159 170 181 255 265 318 362 510 530 543 795 901 905 1086 1590 1802 1810 2703 2715 3077 4505 5406 5430 6154 8191 9010 9231 9593 13515 15385 16382 18462 19186 24573 27030 28779 30770 40955 46155 47965 49146 57558 81910 92310 95930 122865 139247 143895 163081 245730 278494 287790 326162 417741 434123 489243 696235 797161 815405 835482 868246 978486 1302369 1392470 1482571 1594322 1630810 2088705 2170615 2391483 2446215 2604738 2965142 3985805 4177410 4341230 4447713 4782966 4892430 6511845 7380091 7412855 7971610 8895426 11957415 13023690 13551737 14760182 14825710 22140273 22238565 23914830 25203707 27103474 36900455 40655211 42249533 44280546 44477130 50407414 67758685 73800910 75611121 78576263 81310422 84499066 110701365 126018535 126748599 135517370 144286141 151222242 157152526 203276055 211247665 221402730 235728789 252037070 253497198 288572282 378055605 392881315 406552110 422495330 432858423 471457578 633742995 718242061 721430705 756111210 785762630 865716846 1178643945 1267485990 1335796471 1436484122 1442861410 2154726183 2164292115 2357287890 2452864397 2671592942 3591210305 4007389413 4309452366 4328584230 4905728794 6529545751 6678982355 7182420610 7358593191 7647165473 8014778826 10773630915 12264321985 13059091502 13357964710 14717186382 15294330946 19588637253 20036947065 21547261830 22941496419 24528643970 32647728755 36792965955 38235827365 39177274506 40073894130 45882992838 65295457510 73585931910 76471654730 97943186265 111002277767 114707482095 130001813041 195886372530 222004555534 229414964190 260003626082 333006833301 346065924803 390005439123 555011388835 650009065205 666013666602 692131849606 780010878246 1038197774409 1110022777670 1181847780931 1300018130410 1665034166505 1730329624015 1950027195615 2076395548818 2363695561862 3330068333010 3460659248030 3545543342793 3900054391230 5190988872045 5883120721651 5909238904655 7091086685586 10381977744090 11766241443302 11818477809310 17649362164953 17727716713965 20091412275827 29415603608255 35298724329906 35455433427930 40182824551654 58831207216510 60274236827481 62637932389343 88246810824765 100457061379135 120548473654962 125275864778686 176493621649530 187913797168029 200914122758270 301371184137405 313189661946715 375827594336058 602742368274810 626379323893430 939568985840145 1064844850618831 1879137971680290 2129689701237662 3194534551856493 5324224253094155 6389069103712986 10648448506188310 15972672759282465 31945345518564930
• Sum of all divisors σ(n): 83177656682545152
• Sum of proper divisors (its aliquot sum) s(n): 51232311163980222
• 31945345518564930 is an abundant number, because the sum of its proper divisors (51232311163980222) is greater than itself. Its abundance is 19286965645415292

Bases of 31945345518564930

• Binary: 1110001011111100001111101011011110111000111011001000010₂
• Hexadecimal: 0x717E1F5BDC7642
• Base-36: 8QJOH4TDHDU

Squares and roots of 31945345518564930

• 31945345518564930 squared (31945345518564930²) is 1020505100300496456411286625904900
• 31945345518564930 cubed (31945345518564930³) is 32600388032557118873305937042584868062810655157000
• The square root of 31945345518564930 is 178732608.9961340267
• The cube root of 31945345518564930 is 317299.3603490035

Scales and comparisons

• 31,945,345,518,564,930 seconds is equal to 1,015,763,174 years, 2 weeks, 3 days, 18 hours, 15 minutes, 30 seconds.
• To count from 1 to 31,945,345,518,564,930 would take you about three billion, forty-seven million, two hundred eighty-nine thousand, five hundred 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 31945345518564930 cubic inches would be around 26441.6 feet tall.

Recreational maths with 31945345518564930

• 31945345518564930 backwards is 03946581554354913
• The number of decimal digits it has is: 17
• The sum of 31945345518564930's digits is 75
• More coming soon!