640204816384

Names of 640204816384

• Cardinal: 640204816384 can be written as Six hundred forty billion, two hundred four million, eight hundred sixteen thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 6.40204816384 × 10¹¹

Factors of 640204816384

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 75

Divisors of 640204816384

• Number of divisors d(n): 405
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 38 47 49 56 64 76 94 98 112 128 133 152 188 196 224 256 266 304 329 361 376 392 448 512 532 608 658 722 752 784 893 896 931 1024 1064 1216 1316 1444 1504 1568 1786 1792 1862 2048 2128 2209 2303 2432 2527 2632 2888 3008 3136 3572 3584 3724 4096 4256 4418 4606 4864 5054 5264 5776 6016 6251 6272 7144 7168 7448 8192 8512 8836 9212 9728 10108 10528 11552 12032 12502 12544 14288 14336 14896 15463 16384 16967 17024 17672 17689 18424 19456 20216 21056 23104 24064 25004 25088 28576 28672 29792 30926 33934 34048 35344 35378 36848 38912 40432 41971 42112 43757 46208 48128 50008 50176 57152 57344 59584 61852 67868 68096 70688 70756 73696 77824 80864 83942 84224 87514 92416 96256 100016 100352 108241 114304 114688 118769 119168 123704 135736 136192 141376 141512 147392 155648 161728 167884 168448 175028 184832 192512 200032 200704 216482 228608 237538 238336 247408 271472 272384 282752 283024 293797 294784 311296 323456 335768 336896 350056 369664 385024 400064 401408 432964 457216 475076 476672 494816 542944 544768 565504 566048 587594 589568 646912 671536 673792 700112 739328 770048 797449 800128 802816 831383 865928 914432 950152 953344 989632 1085888 1089536 1131008 1132096 1175188 1179136 1293824 1343072 1347584 1400224 1478656 1594898 1600256 1662766 1731856 1828864 1900304 1906688 1979264 2056579 2171776 2179072 2262016 2264192 2350376 2358272 2587648 2686144 2695168 2800448 2957312 3189796 3200512 3325532 3463712 3657728 3800608 3813376 3958528 4113158 4343552 4524032 4528384 4700752 4716544 5175296 5372288 5390336 5582143 5600896 5914624 6379592 6401024 6651064 6927424 7315456 7601216 7626752 7917056 8226316 8687104 9048064 9056768 9401504 9433088 10350592 10744576 11164286 11201792 12759184 12802048 13302128 13854848 14630912 15202432 15253504 15834112 16452632 17374208 18096128 18113536 18803008 18866176 20701184 21489152 22328572 22403584 25518368 25604096 26604256 27709696 30404864 31668224 32905264 34748416 36192256 36227072 37606016 37732352 39075001 41402368 42978304 44657144 44807168 51036736 51208192 53208512 55419392 60809728 63336448 65810528 69496832 72454144 75212032 78150002 85956608 89314288 89614336 102073472 102416384 106417024 110838784 121619456 126672896 131621056 138993664 144908288 150424064 156300004 171913216 178628576 179228672 204146944 212834048 221677568 243238912 253345792 263242112 277987328 289816576 300848128 312600008 343826432 357257152 358457344 408293888 425668096 443355136 486477824 526484224 601696256 625200016 687652864 714514304 716914688 816587776 851336192 886710272 972955648 1052968448 1203392512 1250400032 1429028608 1633175552 1702672384 1773420544 1945911296 2105936896 2406785024 2500800064 2858057216 3266351104 3405344768 4211873792 4813570048 5001600128 5716114432 6532702208 6810689536 8423747584 10003200256 11432228864 13065404416 13621379072 16847495168 20006400512 22864457728 33694990336 40012801024 45728915456 80025602048 91457830912 160051204096 320102408192 640204816384
• Sum of all divisors σ(n): 1606083319323
• Sum of proper divisors (its aliquot sum) s(n): 965878502939
• 640204816384 is an abundant number, because the sum of its proper divisors (965878502939) is greater than itself. Its abundance is 325673686555

Bases of 640204816384

• Binary: 1001010100001111001011100100000000000000₂
• Hexadecimal: 0x950F2E4000
• Base-36: 863TF1TS

Squares and roots of 640204816384

• 640204816384 squared (640204816384²) is 409862206921271154835456
• 640204816384 cubed (640204816384³) is 262395758924773413625308742212911104
• 640204816384 is a perfect square number. Its square root is 800128
• The cube root of 640204816384 is 8618.6579610843

Scales and comparisons

• 640,204,816,384 seconds is equal to 20,356 years, 27 weeks, 4 days, 23 hours, 13 minutes, 4 seconds.
• To count from 1 to 640,204,816,384 would take you about forty thousand, seven hundred thirteen 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 640204816384 cubic inches would be around 718.2 feet tall.

Recreational maths with 640204816384

• 640204816384 backwards is 483618402046
• The number of decimal digits it has is: 12
• The sum of 640204816384's digits is 46
• More coming soon!