640790028648
640,790,028,648 is an even composite number composed of six prime numbers multiplied together.
640790028648 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 640790028648:
23 × 34 × 7 × 11 × 61 × 210533
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 7 × 11 × 61 × 210533)See below for interesting mathematical facts about the number 640790028648 from the Numbermatics database.
Names of 640790028648
- Cardinal: 640790028648 can be written as Six hundred forty billion, seven hundred ninety million, twenty-eight thousand, six hundred forty-eight.
Scientific notation
- Scientific notation: 6.40790028648 × 1011
Factors of 640790028648
Divisors of 640790028648
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 27 28 33 36 42 44 54 56 61 63 66 72 77 81 84 88 99 108 122 126 132 154 162 168 183 189 198 216 231 244 252 264 297 308 324 366 378 396 427 462 488 504 549 567 594 616 648 671 693 732 756 792 854 891 924 1098 1134 1188 1281 1342 1386 1464 1512 1647 1708 1782 1848 2013 2079 2196 2268 2376 2562 2684 2772 3294 3416 3564 3843 4026 4158 4392 4536 4697 4941 5124 5368 5544 6039 6237 6588 7128 7686 8052 8316 9394 9882 10248 11529 12078 12474 13176 14091 15372 16104 16632 18117 18788 19764 23058 24156 24948 28182 30744 34587 36234 37576 39528 42273 46116 48312 49896 54351 56364 69174 72468 84546 92232 108702 112728 126819 138348 144936 169092 210533 217404 253638 276696 338184 380457 421066 434808 507276 631599 760914 842132 1014552 1263198 1473731 1521828 1684264 1894797 2315863 2526396 2947462 3043656 3789594 4421193 4631726 5052792 5684391 5894924 6947589 7579188 8842386 9263452 11368782 11789848 12842513 13263579 13895178 15158376 16211041 17053173 17684772 18526904 20842767 22737564 25685026 26527158 27790356 32422082 34106346 35369544 38527539 39790737 41685534 45475128 48633123 51370052 53054316 55580712 62528301 64844164 68212692 77055078 79581474 83371068 89897591 97266246 102740104 106108632 115582617 119372211 125056602 129688328 136425384 141267643 145899369 154110156 159162948 166742136 179795182 187584903 194532492 231165234 238744422 250113204 269692773 282535286 291798738 308220312 318325896 346747851 359590364 375169806 389064984 423802929 437698107 462330468 477488844 500226408 539385546 565070572 583597476 693495702 719180728 750339612 809078319 847605858 875396214 924660936 954977688 988873501 1040243553 1078771092 1130141144 1167194952 1271408787 1313094321 1386991404 1500679224 1618156638 1695211716 1750792428 1977747002 2080487106 2157542184 2427234957 2542817574 2626188642 2773982808 2966620503 3236313276 3390423432 3501584856 3814226361 3955494004 4160974212 4854469914 5085635148 5252377284 5933241006 6472626552 7281704871 7628452722 7910988008 8321948424 8899861509 9708939828 10171270296 10504754568 11442679083 11866482012 14563409742 15256905444 17799723018 19417879656 22885358166 23732964024 26699584527 29126819484 30513810888 35599446036 45770716332 53399169054 58253638968 71198892072 80098753581 91541432664 106798338108 160197507162 213596676216 320395014324 640790028648
- Sum of all divisors σ(n): 2274373537920
- Sum of proper divisors (its aliquot sum) s(n): 1633583509272
- 640790028648 is an abundant number, because the sum of its proper divisors (1633583509272) is greater than itself. Its abundance is 992793480624
Bases of 640790028648
- Binary: 10010101001100100000111111100001011010002
- Hexadecimal: 0x95320FE168
- Base-36: 86DHU6I0
Squares and roots of 640790028648
- 640790028648 squared (6407900286482) is 410611860814704660707904
- 640790028648 cubed (6407900286483) is 263115986054663188154676924120033792
-
The
square root of 640790028648 is 800493.6156197625 -
The
cube root of 640790028648 is 8621.2832710673
Scales and comparisons
How big is 640790028648?- 640,790,028,648 seconds is equal to 20,375 years, 7 weeks, 2 days, 6 hours, 10 minutes, 48 seconds.
-
To count from 1 to 640,790,028,648 would take you about forty thousand, seven hundred fifty 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 640790028648 cubic inches would be around 718.4 feet tall.
Recreational maths with 640790028648
- 640790028648 backwards is 846820097046
- 640790028648 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 640790028648's digits is 54
- More coming soon!
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