640304440832

Names of 640304440832

• Cardinal: 640304440832 can be written as Six hundred forty billion, three hundred four million, four hundred forty thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 6.40304440832 × 10¹¹

Factors of 640304440832

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 89

Divisors of 640304440832

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 38 49 56 61 64 76 98 112 122 128 133 152 196 224 244 256 266 304 361 392 427 448 488 512 532 608 722 784 854 896 931 976 1064 1159 1216 1444 1568 1708 1792 1862 1952 2128 2318 2432 2527 2888 2989 3136 3416 3584 3721 3724 3904 4256 4636 4864 5054 5776 5978 6272 6832 6859 7442 7448 7808 8113 8512 9272 9728 10108 11552 11956 12544 13664 13718 14884 14896 15616 16226 17024 17689 18544 20216 22021 23104 23912 25088 26047 27328 27436 29768 29792 31232 32452 34048 35378 37088 40432 44042 46208 47824 48013 52094 54656 54872 56791 59536 59584 64904 68096 70699 70756 74176 80864 88084 92416 95648 96026 104188 109312 109744 113582 119072 119168 129808 141398 141512 148352 154147 161728 176168 182329 184832 191296 192052 208376 218624 219488 227164 238144 238336 259616 282796 283024 296704 308294 323456 336091 352336 364658 382592 384104 416752 418399 438976 454328 476288 476672 494893 519232 565592 566048 593408 616588 646912 672182 704672 729316 765184 768208 833504 836798 877952 908656 952576 989786 1038464 1079029 1131184 1132096 1233176 1293824 1343281 1344364 1409344 1458632 1530368 1536416 1667008 1673596 1755904 1817312 1905152 1979572 2076928 2158058 2262368 2264192 2466352 2686562 2688728 2818688 2917264 2928793 3072832 3334016 3347192 3464251 3511808 3634624 3959144 4153856 4316116 4524736 4528384 4932704 5373124 5377456 5637376 5834528 5857586 6145664 6668032 6694384 6928502 7269248 7918288 8632232 9049472 9056768 9402967 9865408 10746248 10754912 11274752 11669056 11715172 12291328 13336064 13388768 13857004 14538496 15836576 17264464 18098944 18805934 19730816 20501551 21492496 21509824 23338112 23430344 24582656 25522339 26777536 27714008 29076992 31673152 34528928 36197888 37611868 39461632 41003102 42984992 43019648 46676224 46860688 51044678 53555072 55428016 63346304 65820769 69057856 75223736 78923264 82006204 85969984 86039296 93352448 93721376 102089356 107110144 110856032 126692608 131641538 138115712 150447472 164012408 171939968 172078592 178656373 187442752 204178712 214220288 221712064 253385216 263283076 276231424 300894944 328024816 343879936 357312746 374885504 408357424 443424128 526566152 552462848 601789888 656049632 687759872 714625492 749771008 816714848 886848256 1053132304 1203579776 1250594611 1312099264 1429250984 1499542016 1633429696 1773696512 2106264608 2407159552 2501189222 2624198528 2858501968 3266859392 4212529216 4814319104 5002378444 5248397056 5717003936 6533718784 8425058432 10004756888 10496794112 11434007872 13067437568 16850116864 20009513776 22868015744 33700233728 40019027552 45736031488 80038055104 91472062976 160076110208 320152220416 640304440832
• Sum of all divisors σ(n): 1597075314120
• Sum of proper divisors (its aliquot sum) s(n): 956770873288
• 640304440832 is an abundant number, because the sum of its proper divisors (956770873288) is greater than itself. Its abundance is 316466432456

Bases of 640304440832

• Binary: 1001010100010101000111100110011000000000₂
• Hexadecimal: 0x95151E6600
• Base-36: 865GQCJK

Squares and roots of 640304440832

• 640304440832 squared (640304440832²) is 409989776949180188852224
• 640304440832 cubed (640304440832³) is 262518274876281223703835448199610368
• The square root of 640304440832 is 800190.2528973969
• The cube root of 640304440832 is 8619.1049974523

Scales and comparisons

• 640,304,440,832 seconds is equal to 20,359 years, 36 weeks, 3 days, 40 minutes, 32 seconds.
• To count from 1 to 640,304,440,832 would take you about forty thousand, seven hundred nineteen 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 640304440832 cubic inches would be around 718.3 feet tall.

Recreational maths with 640304440832

• 640304440832 backwards is 238044403046
• 640304440832 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640304440832's digits is 38
• More coming soon!