640495011513375936

Names of 640495011513375936

• Cardinal: 640495011513375936 can be written as Six hundred forty quadrillion, four hundred ninety-five trillion, eleven billion, five hundred thirteen million, three hundred seventy-five thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 6.40495011513375936 × 10¹⁷

Factors of 640495011513375936

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2511

Divisors of 640495011513375936

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 64 72 87 96 108 116 144 174 192 216 232 261 288 348 432 464 522 576 696 783 841 864 928 1044 1392 1566 1682 1728 1856 2088 2477 2523 2784 3132 3364 4176 4954 5046 5568 6264 6728 7431 7569 8352 9908 10092 12528 13456 14862 15138 16704 19816 20184 22293 22707 24389 25056 26912 29724 30276 39632 40368 44586 45414 48778 50112 53824 59448 60552 66879 71833 73167 79264 80736 89172 90828 97556 118896 121104 133758 143666 146334 158528 161472 178344 181656 195112 215499 219501 237792 242208 267516 287332 292668 356688 363312 390224 430998 439002 475584 484416 535032 574664 585336 646497 658503 713376 726624 780448 861996 878004 1070064 1149328 1170672 1292994 1317006 1426752 1453248 1560896 1723992 1756008 1939491 2083157 2140128 2298656 2341344 2585988 2634012 3447984 3512016 3878982 4166314 4280256 4597312 4682688 5171976 5268024 6135529 6249471 6895968 7024032 7757964 8332628 10343952 10536048 12271058 12498942 13791936 14048064 15515928 16665256 18406587 18748413 20687904 21072096 24542116 24997884 31031856 33330512 36813174 37496826 41375808 42144192 49084232 49995768 55219761 56245239 60411553 62063712 66661024 73626348 74993652 98168464 99991536 110439522 112490478 120823106 124127424 133322048 147252696 149987304 165659283 177930341 181234659 196336928 199983072 220879044 224980956 241646212 294505392 299974608 331318566 355860682 362469318 392673856 399966144 441758088 449961912 483292424 533791023 543703977 589010784 599949216 662637132 711721364 724938636 883516176 899923824 966584848 1067582046 1087407954 1178021568 1199898432 1325274264 1423442728 1449877272 1601373069 1631111931 1767032352 1799847648 1933169696 2135164092 2174815908 2650548528 2846885456 2899754544 3202746138 3262223862 3534064704 3599695296 3866339392 4270328184 4349631816 4804119207 5159979889 5301097056 5693770912 5799509088 6405492276 6524447724 8540656368 8699263632 9608238414 10319959778 10602194112 11387541824 11599018176 12810984552 13048895448 15479939667 17081312736 17398527264 19216476828 20639919556 25621969104 26097790896 30959879334 34162625472 34797054528 38432953656 41279839112 46439819001 51243938208 52195581792 61919758668 76865907312 82559678224 92879638002 102487876416 104391163584 123839517336 139319457003 149639416781 153731814624 165119356448 185759276004 247679034672 278638914006 299278833562 307463629248 330238712896 371518552008 448918250343 495358069344 557277828012 598557667124 743037104016 897836500686 990716138688 1114555656024 1197115334248 1346754751029 1486074208032 1795673001372 2229111312048 2394230668496 2693509502058 2972148416064 3591346002744 4040264253087 4458222624096 4788461336992 5387019004116 7182692005488 8080528506174 8916445248192 9576922673984 10774038008232 14365384010976 16161057012348 21548076016464 28730768021952 32322114024696 43096152032928 64644228049392 86192304065856 129288456098784 258576912197568
• Sum of all divisors σ(n): 641024068569823968
• Sum of proper divisors (its aliquot sum) s(n): 529057056448032
• 640495011513375936 is a deficient number, because the sum of its proper divisors (529057056448032) is less than itself. Its deficiency is 639965954456927904

Bases of 640495011513375936

• Binary: 100011100011011111101101000111001001101010100001110011000000₂
• Hexadecimal: 0x8E37ED1C9AA1CC0
• Base-36: 4V6KJ69NXDC0

Squares and roots of 640495011513375936

• 640495011513375936 squared (640495011513375936²) is 410233859773519572814465443663876096
• 640495011513375936 cubed (640495011513375936³) is 262752740738817068038639704006560551890754716172025856
• The square root of 640495011513375936 is 800309322.3956446803
• 640495011513375936 is a perfect cube number. Its cube root is 861996

Scales and comparisons

• 640,495,011,513,375,936 seconds is equal to 20,365,760,184 years, 50 weeks, 4 days, 17 hours, 45 minutes, 36 seconds.
• To count from 1 to 640,495,011,513,375,936 would take you about sixty-one billion, ninety-seven million, two hundred eighty thousand, five hundred fifty-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 640495011513375936 cubic inches would be around 71833 feet tall.

Recreational maths with 640495011513375936

• 640495011513375936 backwards is 639573315110594046
• 640495011513375936 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 640495011513375936's digits is 72
• More coming soon!