640106397315

Names of 640106397315

• Cardinal: 640106397315 can be written as Six hundred forty billion, one hundred six million, three hundred ninety-seven thousand, three hundred fifteen.

Scientific notation

• Scientific notation: 6.40106397315 × 10¹¹

Factors of 640106397315

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1768

Divisors of 640106397315

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 7 9 11 15 19 21 27 33 35 45 55 57 63 77 81 95 99 105 121 133 135 165 171 189 209 231 243 285 297 315 361 363 385 399 405 495 513 567 605 627 665 693 847 855 891 945 1045 1083 1089 1155 1197 1215 1463 1485 1539 1701 1723 1805 1815 1881 1995 2079 2299 2527 2541 2565 2673 2835 3135 3249 3267 3465 3591 3971 4235 4389 4455 4617 5169 5415 5445 5643 5985 6237 6897 7315 7581 7623 7695 8505 8615 9405 9747 9801 10395 10773 11495 11913 12061 12635 12705 13167 13365 15507 16093 16245 16335 16929 17955 18711 18953 19855 20691 21945 22743 22869 23085 25845 27797 28215 29241 29403 31185 32319 32737 34485 35739 36183 37905 38115 39501 43681 46521 48279 48735 49005 50787 53865 56859 59565 60305 62073 65835 68229 68607 77535 80465 83391 84645 87723 93555 94765 98211 103455 107217 108549 113715 114345 118503 131043 132671 138985 139563 144837 146205 147015 161595 163685 170577 178695 180915 186219 197505 204687 205821 208483 218405 229159 232605 241395 250173 253935 284295 294633 305767 310365 321651 325647 341145 343035 355509 360107 393129 398013 416955 418689 434511 438615 491055 511731 536085 542745 558657 592515 614061 622003 625449 655215 663355 687477 697815 724185 750519 852885 883899 917301 931095 964953 976941 1023435 1029105 1042415 1080321 1145795 1179387 1194039 1250865 1303533 1459381 1473165 1528835 1535193 1608255 1628235 1777545 1800535 1866009 1876347 1965645 1990065 2062431 2093445 2172555 2251557 2520749 2558655 2651697 2751903 2793285 2930823 3070305 3110015 3127245 3240963 3437385 3538161 3582117 3752595 3910599 3961177 4354021 4378143 4419495 4586505 4605579 4824765 4884705 5401605 5598027 5629041 5896935 5970195 6187293 6517665 6754671 6842033 7296905 7562247 7675965 7955091 8255709 9330045 9381735 9722889 10312155 10614483 10746351 11257785 11883531 12603745 13062063 13134429 13258485 13759515 14654115 16204815 16794081 16887123 17690805 17910585 18561879 19552995 19805885 20526099 21770105 21890715 22686741 23027895 24767127 27728239 27990135 28145205 29168667 30936465 32239053 33773355 34210165 35650593 37811235 39186189 39403287 39775455 41278545 47894231 48614445 50382243 50661369 53072415 53731755 55685637 59417655 61578297 65310315 65672145 68060223 74301381 75262363 83184717 83970405 84435615 87506001 92809395 102630495 106951779 113433705 117558567 118209861 123835635 138641195 143682693 145843335 151146729 161195265 178252965 184734891 195930945 197016435 204180669 225787089 239471155 249554151 251911215 253306845 278428185 307891485 320855337 340301115 352675701 354629583 371506905 376311815 415923585 431048079 437530005 526836541 534758895 554204673 587792835 591049305 612542007 677361267 718413465 748662453 755733645 923674455 962566011 1020903345 1058027103 1128935445 1247770755 1293144237 1580509623 1604276685 1662614019 1763378505 1773147915 2032083801 2155240395 2245987359 2634182705 2771023365 3062710035 3386806335 3743312265 3879432711 4741528869 4812830055 5290135515 6096251403 6465721185 6737962077 7902548115 8313070095 10160419005 11229936795 11638298133 14224586607 18288754209 19397163555 23707644345 30481257015 33689810385 42673759821 58191490665 71122933035 91443771045 128021279463 213368799105 640106397315
• Sum of all divisors σ(n): 1526358322944
• Sum of proper divisors (its aliquot sum) s(n): 886251925629
• 640106397315 is an abundant number, because the sum of its proper divisors (886251925629) is greater than itself. Its abundance is 246145528314

Bases of 640106397315

• Binary: 1001010100001001010100000111111010000011₂
• Hexadecimal: 0x9509507E83
• Base-36: 8626TL6R

Squares and roots of 640106397315

• 640106397315 squared (640106397315²) is 409736199883588639209225
• 640106397315 cubed (640106397315³) is 262274762757022646237680365263230875
• The square root of 640106397315 is 800066.4955583379
• The cube root of 640106397315 is 8618.2162879711

Scales and comparisons

• 640,106,397,315 seconds is equal to 20,353 years, 20 weeks, 6 days, 20 hours, 35 minutes, 15 seconds.
• To count from 1 to 640,106,397,315 would take you about forty thousand, seven hundred six 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 640106397315 cubic inches would be around 718.2 feet tall.

Recreational maths with 640106397315

• 640106397315 backwards is 513793601046
• 640106397315 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640106397315's digits is 45
• More coming soon!