640475571008

Names of 640475571008

• Cardinal: 640475571008 can be written as Six hundred forty billion, four hundred seventy-five million, five hundred seventy-one thousand and eight.

Scientific notation

• Scientific notation: 6.40475571008 × 10¹¹

Factors of 640475571008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3055

Divisors of 640475571008

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 53 56 64 91 104 106 112 182 208 212 224 364 371 416 424 448 689 728 742 832 848 1109 1378 1456 1484 1696 1871 2218 2756 2912 2968 3392 3742 4436 4823 5512 5824 5936 7484 7763 8872 9646 11024 11872 13097 14417 14968 15526 17744 19292 22048 23744 24323 26194 28834 29936 31052 35488 38584 44096 48646 52388 57668 58777 59872 62104 70976 77168 97292 99163 100919 104776 115336 117554 119744 124208 154336 170261 194584 198326 201838 209552 230672 235108 248416 308672 340522 389168 396652 403676 411439 419104 461344 470216 496832 681044 694141 764101 778336 793304 807352 822878 838208 922688 940432 1289119 1362088 1388282 1528202 1556672 1586608 1614704 1645756 1880864 2074939 2578238 2724176 2776564 3056404 3173216 3229408 3291512 3761728 4149878 5156476 5348707 5448352 5553128 6112808 6346432 6458816 6583024 8299756 9023833 10312952 10697414 10896704 11106256 12225616 13166048 14524573 16599512 18047666 20625904 21394828 22212512 24451232 26332096 26974207 29049146 33199024 36095332 41251808 42789656 44425024 48902464 53948414 58098292 66398048 72190664 82503616 85579312 107896828 109971767 116196584 132796096 144381328 171158624 188819449 215793656 219943534 232393168 288762656 342317248 377638898 431587312 439887068 464786336 577525312 755277796 769802369 863174624 879774136 929572672 1429632971 1510555592 1539604738 1726349248 1759548272 2859265942 3021111184 3079209476 3519096544 5718531884 6042222368 6158418952 7038193088 10007430797 11437063768 12084444736 12316837904 20014861594 22874127536 24633675808 40029723188 45748255072 49267351616 80059446376 91496510144 160118892752 320237785504 640475571008
• Sum of all divisors σ(n): 1596042040320
• Sum of proper divisors (its aliquot sum) s(n): 955566469312
• 640475571008 is an abundant number, because the sum of its proper divisors (955566469312) is greater than itself. Its abundance is 315090898304

Bases of 640475571008

• Binary: 1001010100011111010100011010001101000000₂
• Hexadecimal: 0x951F51A340
• Base-36: 868AM9FK

Squares and roots of 640475571008

• 640475571008 squared (640475571008²) is 410208957058023650136064
• 640475571008 cubed (640475571008³) is 262728816004333849108864007293632512
• The square root of 640475571008 is 800297.1766837617
• The cube root of 640475571008 is 8619.8727872083

Scales and comparisons

• 640,475,571,008 seconds is equal to 20,365 years, 7 weeks, 2 days, 16 hours, 50 minutes, 8 seconds.
• To count from 1 to 640,475,571,008 would take you about forty thousand, seven hundred thirty 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 640475571008 cubic inches would be around 718.3 feet tall.

Recreational maths with 640475571008

• 640475571008 backwards is 800175574046
• The number of decimal digits it has is: 12
• The sum of 640475571008's digits is 47
• More coming soon!