7638395306745

Names of 7638395306745

• Cardinal: 7638395306745 can be written as Seven trillion, six hundred thirty-eight billion, three hundred ninety-five million, three hundred six thousand, seven hundred forty-five.

Scientific notation

• Scientific notation: 7.638395306745 × 10¹²

Factors of 7638395306745

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 91033

Divisors of 7638395306745

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 15 17 21 35 49 51 53 85 105 119 127 147 159 245 255 265 357 371 381 595 635 735 795 833 889 901 1113 1785 1855 1905 2159 2499 2597 2667 2703 4165 4445 4505 5565 6223 6307 6477 6731 7791 10795 12495 12985 13335 13515 15113 18669 18921 20193 31115 31535 32385 33655 38955 44149 45339 47117 75565 90821 93345 94605 100965 105791 114427 132447 141351 220745 226695 235585 272463 317373 329819 343281 454105 528955 572135 635747 662235 706755 800989 989457 1362315 1543957 1586865 1649095 1716405 1907241 2402967 3178735 4004945 4450229 4631871 4813513 4947285 5606923 7719785 9536205 10807699 11534267 12014835 13350687 14440539 16820769 22251145 23159355 24067565 28034615 32423097 33694591 34602801 54038495 57671335 66753435 72202695 75653893 80739869 81829721 84103845 101083773 162115485 168472955 173014005 196082539 226961679 235862137 242219607 245489163 378269465 403699345 409148605 505418865 565179083 572808047 588247617 611316151 707586411 980412695 1134808395 1179310685 1211098035 1227445815 1372577773 1695537249 1718424141 1833948453 2825895415 2864040235 2941238085 3056580755 3537932055 4009656329 4117733319 4279213057 6862888865 8477686245 8592120705 9169742265 9608044411 10392374567 12028968987 12837639171 20048281645 20588666595 21396065285 28824133233 29954491399 31177123701 48040222055 51961872835 60144844935 64188195855 72746621969 89863474197 144120666165 149772456995 155885618505 218239865907 363733109845 449317370985 509226353783 1091199329535 1527679061349 2546131768915 7638395306745
• Sum of all divisors σ(n): 15458003214336
• Sum of proper divisors (its aliquot sum) s(n): 7819607907591
• 7638395306745 is an abundant number, because the sum of its proper divisors (7819607907591) is greater than itself. Its abundance is 181212600846

Bases of 7638395306745

• Binary: 1101111001001110011110101101100001011111001₂
• Hexadecimal: 0x6F273D6C2F9
• Base-36: 2PH13CJ5L

Squares and roots of 7638395306745

• 7638395306745 squared (7638395306745²) is 58345082862104042642495025
• 7638395306745 cubed (7638395306745³) is 445662807105543651336325346857011443625
• The square root of 7638395306745 is 2763764.6981508757
• The cube root of 7638395306745 is 19694.0049841475

Scales and comparisons

• 7,638,395,306,745 seconds is equal to 242,877 years, 17 weeks, 6 days, 2 hours, 5 minutes, 45 seconds.
• To count from 1 to 7,638,395,306,745 would take you about six hundred seven thousand, one hundred ninety-three 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 7638395306745 cubic inches would be around 1641.2 feet tall.

Recreational maths with 7638395306745

• 7638395306745 backwards is 5476035938367
• The number of decimal digits it has is: 13
• The sum of 7638395306745's digits is 66
• More coming soon!