640475109072

Names of 640475109072

• Cardinal: 640475109072 can be written as Six hundred forty billion, four hundred seventy-five million, one hundred nine thousand and seventy-two.

Scientific notation

• Scientific notation: 6.40475109072 × 10¹¹

Factors of 640475109072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 180

Divisors of 640475109072

• Number of divisors d(n): 500
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 48 51 54 61 68 72 81 97 102 108 122 136 144 153 162 183 194 204 216 244 272 289 291 306 324 366 388 408 432 459 488 549 578 582 612 648 732 776 816 867 873 918 976 1037 1098 1156 1164 1224 1296 1377 1464 1552 1647 1649 1734 1746 1836 2074 2196 2312 2328 2448 2601 2619 2754 2928 3111 3294 3298 3468 3492 3672 4148 4392 4624 4656 4913 4941 4947 5202 5238 5508 5917 6222 6588 6596 6936 6984 7344 7803 7857 8296 8784 9333 9826 9882 9894 10404 10476 11016 11834 12444 13176 13192 13872 13968 14739 14841 15606 15714 16592 17629 17751 18666 19652 19764 19788 20808 20952 22032 23409 23668 24888 26352 26384 27999 28033 29478 29682 31212 31428 35258 35502 37332 39304 39528 39576 41616 41904 44217 44523 46818 47336 49776 52887 53253 55998 56066 58956 59364 62424 62856 70516 71004 74664 78608 79056 79152 83521 83997 84099 88434 89046 93636 94672 100589 105774 106506 111996 112132 117912 118728 124848 125712 132651 133569 141032 142008 149328 158661 159759 167042 167994 168198 176868 178092 187272 201178 211548 213012 223992 224264 235824 237456 250563 252297 265302 267138 282064 284016 299693 301767 317322 319518 334084 335988 336396 353736 356184 374544 397953 402356 423096 426024 447984 448528 475983 476561 479277 501126 504594 530604 534276 599386 603534 634644 639036 668168 671976 672792 707472 712368 751689 756891 795906 804712 846192 852048 899079 905301 951966 953122 958554 1002252 1009188 1061208 1068552 1198772 1207068 1269288 1278072 1336336 1343952 1345584 1427949 1429683 1503378 1513782 1591812 1609424 1710013 1798158 1810602 1903932 1906244 1917108 2004504 2018376 2122416 2137104 2255067 2270673 2397544 2414136 2538576 2556144 2697237 2715903 2855898 2859366 3006756 3027564 3183624 3420026 3596316 3621204 3807864 3812488 3834216 4009008 4036752 4289049 4510134 4541346 4795088 4828272 5094781 5130039 5394474 5431806 5711796 5718732 6013512 6055128 6367248 6765201 6840052 7192632 7242408 7615728 7624976 7668432 8091711 8101537 8147709 8578098 9020268 9082692 10189562 10260078 10788948 10863612 11423592 11437464 12027024 12110256 12867147 13530402 13680104 14385264 14484816 15284343 15390117 16183422 16203074 16295418 17156196 18040536 18165384 20379124 20520156 21577896 21727224 22847184 22874928 24275133 24304611 25734294 27060804 27360208 29070221 30568686 30780234 32366844 32406148 32590836 34312392 36081072 36330768 38601441 40758248 41040312 43155792 43454448 45853029 46170351 48550266 48609222 51468588 54121608 58140442 61137372 61560468 64733688 64812296 65181672 68624784 72913833 77202882 81516496 82080624 87210663 91706058 92340702 97100532 97218444 102937176 108243216 116280884 122274744 123120936 129467376 129624592 130363344 137559087 138511053 145827666 154405764 174421326 183412116 184681404 194201064 194436888 205874352 218741499 232561768 244549488 246241872 261631989 275118174 277022106 291655332 308811528 348842652 366824232 369362808 388402128 388873776 412677261 437482998 465123536 494193757 523263978 550236348 554044212 583310664 617623056 656224497 697685304 733648464 738725616 784895967 825354522 874965996 988387514 1046527956 1100472696 1108088424 1166621328 1312448994 1395370608 1482581271 1569791934 1650709044 1749931992 1976775028 2093055912 2200945392 2216176848 2354687901 2624897988 2965162542 3139583868 3301418088 3499863984 3953550056 4186111824 4447743813 4709375802 5249795976 5930325084 6279167736 6602836176 7907100112 8895487626 9418751604 10499591952 11860650168 12558335472 13343231439 17790975252 18837503208 23721300336 26686462878 35581950504 37675006416 40029694317 53372925756 71163901008 80059388634 106745851512 160118777268 213491703024 320237554536 640475109072
• Sum of all divisors σ(n): 2022502875316
• Sum of proper divisors (its aliquot sum) s(n): 1382027766244
• 640475109072 is an abundant number, because the sum of its proper divisors (1382027766244) is greater than itself. Its abundance is 741552657172

Bases of 640475109072

• Binary: 1001010100011111010010101001011011010000₂
• Hexadecimal: 0x951F4A96D0
• Base-36: 868ACD00

Squares and roots of 640475109072

• 640475109072 squared (640475109072²) is 410208365340790296701184
• 640475109072 cubed (640475109072³) is 262728247533889489730370064191541248
• The square root of 640475109072 is 800296.8880809171
• The cube root of 640475109072 is 8619.8707148781

Scales and comparisons

• 640,475,109,072 seconds is equal to 20,365 years, 6 weeks, 4 days, 8 hours, 31 minutes, 12 seconds.
• To count from 1 to 640,475,109,072 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 640475109072 cubic inches would be around 718.3 feet tall.

Recreational maths with 640475109072

• 640475109072 backwards is 270901574046
• The number of decimal digits it has is: 12
• The sum of 640475109072's digits is 45
• More coming soon!