640400688096

Names of 640400688096

• Cardinal: 640400688096 can be written as Six hundred forty billion, four hundred million, six hundred eighty-eight thousand and ninety-six.

Scientific notation

• Scientific notation: 6.40400688096 × 10¹¹

Factors of 640400688096

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 8349

Divisors of 640400688096

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 61 78 79 96 104 122 156 158 169 183 208 237 244 312 316 338 366 416 474 488 507 624 632 676 732 793 948 976 1014 1027 1248 1264 1352 1464 1586 1896 1952 2028 2054 2379 2528 2704 2928 3081 3172 3792 4056 4108 4758 4819 5408 5856 6162 6344 7584 8112 8191 8216 9516 9638 10309 12324 12688 13351 14457 16224 16382 16432 19032 19276 20618 24573 24648 25376 26702 28914 30927 32764 32864 38064 38552 40053 41236 49146 49296 53404 57828 61854 62647 65528 76128 77104 80106 82472 98292 98592 106483 106808 115656 123708 125294 131056 154208 160212 164944 187941 196584 212966 213616 231312 247416 250588 262112 319449 320424 329888 375882 393168 425932 427232 462624 494832 499651 501176 638898 640848 647089 751764 786336 814411 851864 989664 999302 1002352 1277796 1281696 1294178 1384279 1498953 1503528 1628822 1703728 1941267 1998604 2004704 2443233 2555592 2588356 2768558 2997906 3007056 3257644 3407456 3882534 3997208 4152837 4886466 5111184 5176712 5537116 5995812 6014112 6495463 6515288 7765068 7994416 8305674 8412157 9772932 10222368 10353424 11074232 11991624 12990926 13030576 15530136 15988832 16611348 16824314 19486389 19545864 20706848 22148464 23983248 25236471 25981852 26061152 31060272 33222696 33648628 38972778 39091728 39472429 44296928 47966496 50472942 51963704 62120544 66445392 67297256 77945556 78183456 78944858 84441019 100945884 103927408 109358041 118417287 132890784 134594512 155891112 157889716 168882038 201891768 207854816 218716082 236834574 253323057 269189024 311782224 315779432 328074123 337764076 403783536 437432164 473669148 506646114 513141577 623564448 631558864 656148246 675528152 807567072 874864328 947338296 1013292228 1026283154 1263117728 1312296492 1351056304 1539424731 1749728656 1894676592 2026584456 2052566308 2624592984 2702112608 3078849462 3499457312 3789353184 4053168912 4105132616 5249185968 6157698924 6670840501 8106337824 8210265232 10498371936 12315397848 13341681002 16420530464 20012521503 24630795696 26683362004 40025043006 49261591392 53366724008 80050086012 106733448016 160100172024 213466896032 320200344048 640400688096
• Sum of all divisors σ(n): 1873800069120
• Sum of proper divisors (its aliquot sum) s(n): 1233399381024
• 640400688096 is an abundant number, because the sum of its proper divisors (1233399381024) is greater than itself. Its abundance is 592998692928

Bases of 640400688096

• Binary: 1001010100011010110110110000001111100000₂
• Hexadecimal: 0x951ADB03E0
• Base-36: 867219EO

Squares and roots of 640400688096

• 640400688096 squared (640400688096²) is 410113041313830276105216
• 640400688096 cubed (640400688096³) is 262636673854520184699137993294708736
• The square root of 640400688096 is 800250.3908752559
• The cube root of 640400688096 is 8619.5368356319

Scales and comparisons

• 640,400,688,096 seconds is equal to 20,362 years, 39 weeks, 4 days, 1 minute, 36 seconds.
• To count from 1 to 640,400,688,096 would take you about forty thousand, seven hundred twenty-five 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 640400688096 cubic inches would be around 718.3 feet tall.

Recreational maths with 640400688096

• 640400688096 backwards is 690886004046
• The number of decimal digits it has is: 12
• The sum of 640400688096's digits is 51
• More coming soon!