640764670707

Names of 640764670707

• Cardinal: 640764670707 can be written as Six hundred forty billion, seven hundred sixty-four million, six hundred seventy thousand, seven hundred seven.

Scientific notation

• Scientific notation: 6.40764670707 × 10¹¹

Factors of 640764670707

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 123

Divisors of 640764670707

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 9 19 21 23 27 57 63 69 71 81 133 161 171 189 207 213 243 361 399 437 483 497 513 567 621 639 729 1083 1197 1311 1349 1449 1491 1539 1633 1701 1863 1917 2187 2527 3059 3249 3591 3933 4047 4347 4473 4617 4899 5041 5103 5589 5751 7581 8303 9177 9443 9747 10773 11431 11799 12141 13041 13419 13851 14697 15123 15309 16767 17253 22743 24909 25631 27531 28329 29241 31027 32319 34293 35287 35397 36423 39123 40257 41553 44091 45369 50301 51759 58121 68229 74727 76893 82593 84987 87723 93081 95779 96957 102879 105861 106191 109269 115943 117369 120771 132273 136107 155277 174363 179417 204687 217189 224181 230679 247779 254961 263169 279243 287337 290871 308637 317583 318573 327807 347829 352107 362313 396819 408321 523089 538251 589513 614061 651567 670453 672543 692037 743337 764883 789507 811601 837729 862011 925911 952749 955719 983421 1043487 1086939 1190457 1224963 1569267 1614753 1768539 1819801 1842183 1954701 2011359 2017629 2076111 2202917 2230011 2294649 2434803 2513187 2586033 2777733 2858247 2950263 3130461 3571371 3674889 4126591 4707801 4844259 5305617 5459403 5526549 5864103 6034077 6052887 6228333 6608751 6690033 6883947 7304409 7539561 7758099 8333199 8574741 9391383 11024667 12379773 12738607 14123403 14532777 15420419 15916851 16378209 17592309 18102231 18158661 18684999 19826253 20651841 21913227 22618683 23274297 24999597 25724223 28174149 37139319 38215821 41855423 42370209 43598331 46261257 47750553 49134627 52776927 54306693 56054997 59478759 65739681 67856049 69822891 77172669 84522447 111417957 114647463 125566269 127110627 130794993 138783771 143251659 147403881 158330781 162920079 178436277 197219043 209468673 253567341 292987961 334253871 343942389 376698807 392384979 416351313 429754977 442211643 474992343 488760237 535308831 591657129 878963883 1002761613 1031827167 1130096421 1249053939 1289264931 1326634929 1466280711 1605926493 1774971387 2636891649 3008284839 3095481501 3390289263 3747161817 3979904787 4817779479 7910674947 9024854517 9286444503 10170867789 11241485451 23732024841 27859333509 30512603367 33724456353 71196074523 91537810101 213588223569 640764670707
• Sum of all divisors σ(n): 1226805857280
• Sum of proper divisors (its aliquot sum) s(n): 586041186573
• 640764670707 is a deficient number, because the sum of its proper divisors (586041186573) is less than itself. Its deficiency is 54723484134

Bases of 640764670707

• Binary: 1001010100110000100011001111001011110011₂
• Hexadecimal: 0x95308CF2F3
• Base-36: 86D2QO6R

Squares and roots of 640764670707

• 640764670707 squared (640764670707²) is 410579363226250143879849
• 640764670707 cubed (640764670707³) is 263084750476757918581582815857883243
• The square root of 640764670707 is 800477.7765228713
• The cube root of 640764670707 is 8621.1695464113

Scales and comparisons

• 640,764,670,707 seconds is equal to 20,374 years, 17 weeks, 2 days, 18 hours, 18 minutes, 27 seconds.
• To count from 1 to 640,764,670,707 would take you about forty thousand, seven hundred forty-eight 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 640764670707 cubic inches would be around 718.4 feet tall.

Recreational maths with 640764670707

• 640764670707 backwards is 707076467046
• The number of decimal digits it has is: 12
• The sum of 640764670707's digits is 54
• More coming soon!