640994065272

Names of 640994065272

• Cardinal: 640994065272 can be written as Six hundred forty billion, nine hundred ninety-four million, sixty-five thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 6.40994065272 × 10¹¹

Factors of 640994065272

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 255

Divisors of 640994065272

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 27 31 33 36 41 44 54 62 66 72 82 88 93 99 108 123 124 132 164 167 186 198 216 246 248 264 279 297 328 334 341 369 372 396 451 492 501 558 594 668 682 738 744 792 837 902 961 984 1002 1023 1107 1116 1188 1271 1336 1353 1364 1476 1503 1674 1681 1804 1837 1922 2004 2046 2214 2232 2376 2542 2706 2728 2883 2952 3006 3069 3348 3362 3608 3674 3813 3844 4008 4059 4092 4428 4509 5043 5084 5177 5412 5511 5766 6012 6138 6696 6724 6847 7348 7626 7688 8118 8184 8649 8856 9018 9207 10086 10168 10354 10571 10824 11022 11439 11532 12024 12177 12276 13448 13694 13981 14696 15129 15252 15531 16236 16533 17298 18036 18414 18491 20172 20541 20708 21142 22044 22878 23064 24354 24552 25947 27388 27962 30258 30504 31062 31713 32472 33066 34317 34596 36072 36828 36982 39401 40344 41082 41416 41943 42284 44088 45387 45756 46593 48708 49599 51894 52111 54776 55473 55924 56947 60516 61623 62124 63426 66132 68634 69192 73656 73964 75317 78802 82164 83886 84568 90774 91512 93186 95139 97416 99198 103788 104222 110946 111848 113894 118203 121032 123246 124248 125829 126852 132264 137268 139779 147928 150634 156333 157604 160487 164328 166419 167772 170841 181548 184869 186372 190278 198396 207576 208444 212257 221892 225951 227788 236406 246492 251658 253704 274536 279558 280727 285417 301268 312666 315208 320974 332838 335544 341682 354609 363096 369738 372744 377487 380556 396792 416888 424514 433411 443784 451902 455576 468999 472812 481461 492984 499257 503316 512523 559116 561454 570834 573221 602536 625332 636771 641948 665676 677853 683364 709218 739476 754974 761112 842181 849028 866822 903804 937998 945624 962922 998514 1006632 1025046 1063827 1118232 1122908 1141668 1146442 1250664 1273542 1283896 1300233 1331352 1355706 1366728 1406997 1418436 1444383 1478952 1509948 1537569 1615441 1684362 1698056 1719663 1733644 1765357 1807608 1875996 1910313 1925844 1997028 2033559 2050092 2127654 2245816 2283336 2292884 2334827 2526543 2547084 2600466 2711412 2813994 2836872 2888766 3019896 3075138 3087997 3230882 3368724 3439326 3467288 3530714 3751992 3820626 3851688 3900699 3994056 4067118 4100184 4255308 4333149 4585768 4669654 4846323 5053086 5094168 5158989 5200932 5296071 5422824 5627988 5730939 5777532 6150276 6175994 6461764 6579967 6737448 6878652 7004481 7061428 7579629 7641252 7801398 8134236 8510616 8666298 8702537 9263991 9339308 9692646 10106172 10317978 10401864 10592142 11255976 11461878 11555064 11702097 12300552 12351988 12923528 13159934 13757304 14008962 14122856 14538969 15159258 15282504 15476967 15602796 15888213 16268472 17332596 17405074 17769851 18527982 18678616 19385292 19739901 20212344 20635956 21013443 21184284 22923756 23404194 24703976 26107611 26319868 27791973 28017924 29077938 30318516 30953934 31205592 31776426 34665192 34810148 35539702 37055964 38770584 39479802 41271912 42026886 42368568 43616907 45847512 46808388 47664639 52215222 52639736 53309553 55583946 56035848 58155876 59219703 60637032 61907868 63040329 63552852 69620296 71079404 72379637 74111928 78322833 78959604 83375919 84053772 87233814 93616776 95329278 95727907 104430444 106619106 111167892 116311752 118439406 123815736 126080658 127105704 142158808 144759274 156645666 157919208 159928659 166751838 168107544 174467628 177659109 190658556 191455814 208860888 213238212 217138911 222335784 234968499 236878812 252161316 269778647 287183721 289518548 313291332 319857318 333503676 348935256 355318218 381317112 382911628 426476424 434277822 469936998 473757624 479785977 504322632 539557294 574367442 579037096 626582664 639714636 651416733 667007352 710636436 765823256 809335941 861551163 868555644 939873996 959571954 1079114588 1148734884 1279429272 1302833466 1421272872 1618671882 1723102326 1737111288 1879747992 1919143908 1954250199 2158229176 2297469768 2428007823 2584653489 2605666932 2967565117 3237343764 3446204652 3838287816 3908500398 4856015646 5169306978 5211333864 5935130234 6474687528 6892409304 7284023469 7817000796 8902695351 9712031292 10338613956 11870260468 14568046938 15634001592 17805390702 19424062584 20677227912 23740520936 26708086053 29136093876 35610781404 53416172106 58272187752 71221562808 80124258159 106832344212 160248516318 213664688424 320497032636 640994065272
• Sum of all divisors σ(n): 2069551814400
• Sum of proper divisors (its aliquot sum) s(n): 1428557749128
• 640994065272 is an abundant number, because the sum of its proper divisors (1428557749128) is greater than itself. Its abundance is 787563683856

Bases of 640994065272

• Binary: 1001010100111110001110010011101101111000₂
• Hexadecimal: 0x953E393B78
• Base-36: 86GVBE60

Squares and roots of 640994065272

• 640994065272 squared (640994065272²) is 410873391713924996433984
• 640994065272 cubed (640994065272³) is 263367405666803663115517507335003648
• The square root of 640994065272 is 800621.0497307699
• The cube root of 640994065272 is 8622.1982202105

Scales and comparisons

• 640,994,065,272 seconds is equal to 20,381 years, 32 weeks, 4 days, 19 hours, 1 minute, 12 seconds.
• To count from 1 to 640,994,065,272 would take you about forty thousand, seven hundred sixty-three 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 640994065272 cubic inches would be around 718.5 feet tall.

Recreational maths with 640994065272

• 640994065272 backwards is 272560499046
• 640994065272 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640994065272's digits is 54
• More coming soon!