640074147888

Names of 640074147888

• Cardinal: 640074147888 can be written as Six hundred forty billion, seventy-four million, one hundred forty-seven thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 6.40074147888 × 10¹¹

Factors of 640074147888

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 9647

Divisors of 640074147888

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 34 42 48 49 51 56 68 84 98 102 112 119 136 147 168 196 204 238 272 294 336 357 392 408 476 588 714 784 816 833 952 1176 1428 1666 1904 2141 2352 2499 2856 3332 4282 4998 5712 6423 6664 7477 8564 9996 12846 13328 14954 14987 17128 19992 22431 25692 29908 29974 34256 36397 39984 44862 44961 51384 52339 59816 59948 72794 89724 89922 102768 104678 104909 109191 119632 119896 127109 145588 157017 179448 179844 209356 209818 218382 239792 254218 254779 291176 314034 314727 358896 359688 366373 381327 418712 419636 436764 508436 509558 582352 628068 629454 719376 732746 762654 764337 837424 839272 873528 889763 1016872 1019116 1099119 1256136 1258908 1465492 1525308 1528674 1678544 1747056 1779526 1783453 2033744 2038232 2198238 2512272 2517816 2669289 2930984 3050616 3057348 3559052 3566906 4076464 4396476 5035632 5338578 5350359 5861968 6101232 6114696 6228341 7118104 7133812 8792952 10677156 10700718 12229392 12456682 14236208 14267624 16008257 17585904 18685023 21354312 21401436 24913364 28535248 32016514 37370046 42708624 42802872 48024771 49826728 64033028 74740092 85605744 96049542 99653456 112057799 128066056 149480184 192099084 224115598 256132112 272140369 298960368 336173397 384198168 448231196 544280738 672346794 768396336 784404593 816421107 896462392 1088561476 1344693588 1568809186 1632842214 1792924784 1904982583 2177122952 2353213779 2689387176 3137618372 3265684428 3809965166 4354245904 4706427558 5378774352 5714947749 6275236744 6531368856 7619930332 9412855116 11429895498 12550473488 13062737712 13334878081 15239860664 18825710232 22859790996 26669756162 30479721328 37651420464 40004634243 45719581992 53339512324 80009268486 91439163984 106679024648 160018536972 213358049296 320037073944 640074147888
• Sum of all divisors σ(n): 2037858256224
• Sum of proper divisors (its aliquot sum) s(n): 1397784108336
• 640074147888 is an abundant number, because the sum of its proper divisors (1397784108336) is greater than itself. Its abundance is 757709960448

Bases of 640074147888

• Binary: 1001010100000111011001000110100000110000₂
• Hexadecimal: 0x9507646830
• Base-36: 861NMDDC

Squares and roots of 640074147888

• 640074147888 squared (640074147888²) is 409694914794549294860544
• 640074147888 cubed (640074147888³) is 262235123481167904494873958592131072
• The square root of 640074147888 is 800046.3410878147
• The cube root of 640074147888 is 8618.0715530719

Scales and comparisons

• 640,074,147,888 seconds is equal to 20,352 years, 19 weeks, 4 days, 14 hours, 24 minutes, 48 seconds.
• To count from 1 to 640,074,147,888 would take you about forty thousand, seven hundred four 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 640074147888 cubic inches would be around 718.2 feet tall.

Recreational maths with 640074147888

• 640074147888 backwards is 888741470046
• The number of decimal digits it has is: 12
• The sum of 640074147888's digits is 57
• More coming soon!