640147767168

Names of 640147767168

• Cardinal: 640147767168 can be written as Six hundred forty billion, one hundred forty-seven million, seven hundred sixty-seven thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 6.40147767168 × 10¹¹

Factors of 640147767168

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 18614

Divisors of 640147767168

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 23 24 26 28 32 39 42 43 46 48 52 56 64 69 78 84 86 91 92 96 104 112 128 129 138 156 161 168 172 182 184 192 208 224 258 273 276 299 301 312 322 336 344 364 368 384 416 448 483 516 546 552 559 598 602 624 644 672 688 728 736 832 896 897 903 966 989 1032 1092 1104 1118 1196 1204 1248 1288 1344 1376 1456 1472 1664 1677 1794 1806 1932 1978 2064 2093 2184 2208 2236 2392 2408 2496 2576 2688 2752 2912 2944 2967 3354 3588 3612 3864 3913 3956 4128 4186 4368 4416 4472 4784 4816 4992 5152 5504 5824 5934 6279 6708 6923 7176 7224 7728 7826 7912 8256 8372 8736 8832 8944 9568 9632 10304 11648 11739 11868 12558 12857 13416 13846 14352 14448 15456 15652 15824 16512 16744 17472 17888 18523 19136 19264 20608 20769 23478 23736 25116 25714 26832 27692 28704 28896 30912 31304 31648 33488 34944 35776 37046 38272 38528 38571 41538 46956 47472 50232 51428 53664 55384 55569 57408 57792 61824 62608 63296 66976 71552 74092 77142 83076 89999 93912 94944 100464 102856 107328 110768 111138 114816 115584 125216 126592 129661 133952 148184 154284 166152 179998 187824 189888 200928 205712 214656 221536 222276 240799 250432 259322 267904 269997 296368 308568 332304 359996 375648 379776 388983 401856 411424 426029 443072 444552 481598 500864 518644 539994 592736 617136 664608 719992 722397 751296 777966 796489 803712 822848 852058 886144 889104 963196 1037288 1079988 1185472 1234272 1278087 1329216 1439984 1444794 1502592 1555932 1592978 1645696 1685593 1704116 1778208 1926392 2074576 2159976 2370944 2389467 2468544 2556174 2658432 2879968 2889588 2982203 3111864 3185956 3371186 3408232 3556416 3852784 4149152 4319952 4778934 4937088 5056779 5112348 5538377 5575423 5759936 5779176 5964406 6223728 6371912 6742372 6816464 7112832 7705568 8298304 8639904 8946609 9557868 10113558 10224696 10354357 11076754 11150846 11519872 11558352 11928812 12447456 12743824 13484744 13632928 15411136 16596608 16615131 16726269 17279808 17893218 18319247 19115736 20227116 20449392 20708714 22153508 22301692 23116704 23857624 24894912 25487648 26969488 27265856 30822272 31063071 33230262 33452538 34559616 35786436 36638494 38231472 38768639 40454232 40898784 41417428 44307016 44603384 46233408 47715248 49789824 50975296 53938976 54531712 54957741 62126142 66460524 66905076 71572872 72480499 73276988 76462944 77537278 80908464 81797568 82834856 88614032 89206768 92466816 95430496 101950592 107877952 109915482 116305917 124252284 128234729 132921048 133810152 143145744 144960998 146553976 152925888 155074556 161816928 163595136 165669712 177228064 178413536 190860992 215755904 217441497 219830964 232611834 238150211 248504568 256469458 265842096 267620304 286291488 289921996 293107952 305851776 310149112 323633856 331339424 354456128 356827072 381721984 384704187 434882994 439661928 465223668 476300422 497009136 512938916 531684192 535240608 572582976 579843992 586215904 620298224 647267712 662678848 708912256 713654144 714450633 769408374 869765988 879323856 930447336 952600844 994018272 1025877832 1063368384 1070481216 1145165952 1159687984 1172431808 1240596448 1325357696 1428901266 1538816748 1667051477 1739531976 1758647712 1860894672 1905201688 1988036544 2051755664 2126736768 2140962432 2319375968 2344863616 2481192896 2857802532 3077633496 3334102954 3479063952 3517295424 3721789344 3810403376 3976073088 4103511328 4638751936 4962385792 5001154431 5715605064 6155266992 6668205908 6958127904 7034590848 7443578688 7620806752 8207022656 9277503872 10002308862 11431210128 12310533984 13336411816 13916255808 14887157376 15241613504 16414045312 20004617724 22862420256 24621067968 26672823632 27832511616 30483227008 40009235448 45724840512 49242135936 53345647264 80018470896 91449681024 106691294528 160036941792 213382589056 320073883584 640147767168
• Sum of all divisors σ(n): 2234687938560
• Sum of proper divisors (its aliquot sum) s(n): 1594540171392
• 640147767168 is an abundant number, because the sum of its proper divisors (1594540171392) is greater than itself. Its abundance is 954392404224

Bases of 640147767168

• Binary: 1001010100001011110001111011111110000000₂
• Hexadecimal: 0x950BC7BF80
• Base-36: 862VGADC

Squares and roots of 640147767168

• 640147767168 squared (640147767168²) is 409789163810175938740224
• 640147767168 cubed (640147767168³) is 262325618222725918581792744388165632
• The square root of 640147767168 is 800092.3491497715
• The cube root of 640147767168 is 8618.4019480749

Scales and comparisons

• 640,147,767,168 seconds is equal to 20,354 years, 37 weeks, 2 days, 16 hours, 12 minutes, 48 seconds.
• To count from 1 to 640,147,767,168 would take you about forty thousand, seven hundred nine 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 640147767168 cubic inches would be around 718.2 feet tall.

Recreational maths with 640147767168

• 640147767168 backwards is 861767741046
• The number of decimal digits it has is: 12
• The sum of 640147767168's digits is 57
• More coming soon!