813738042

Names of 813738042

• Cardinal: 813738042 can be written as Eight hundred thirteen million, seven hundred thirty-eight thousand and forty-two.

Scientific notation

• Scientific notation: 8.13738042 × 10⁸

Factors of 813738042

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 37

Divisors of 813738042

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 9 13 18 19 26 27 38 39 54 57 78 114 117 169 171 234 247 338 342 351 361 494 507 513 702 722 741 1014 1026 1083 1482 1521 2166 2197 2223 3042 3211 3249 4394 4446 4563 4693 6422 6498 6591 6669 6859 9126 9386 9633 9747 13182 13338 13718 14079 19266 19494 19773 20577 28158 28899 39546 41154 41743 42237 57798 59319 61009 61731 83486 84474 86697 89167 118638 122018 123462 125229 126711 173394 178334 183027 185193 250458 253422 267501 366054 370386 375687 535002 549081 751374 793117 802503 1098162 1127061 1159171 1586234 1605006 1647243 2254122 2318342 2379351 2407509 3294486 3477513 4758702 4815018 6955026 7138053 10432539 14276106 15069223 20865078 21414159 30138446 31297617 42828318 45207669 62595234 90415338 135623007 271246014 406869021 813738042
• Sum of all divisors σ(n): 2067744000
• Sum of proper divisors (its aliquot sum) s(n): 1254005958
• 813738042 is an abundant number, because the sum of its proper divisors (1254005958) is greater than itself. Its abundance is 440267916

Bases of 813738042

• Binary: 110000100000001010100000111010₂
• Hexadecimal: 0x3080A83A
• Base-36: DGH8AI

Squares and roots of 813738042

• 813738042 squared (813738042²) is 662169600997993764
• 813738042 cubed (813738042³) is 538832594588028691445570088
• The square root of 813738042 is 28526.0940543917
• The cube root of 813738042 is 933.6014979723

Scales and comparisons

• 813,738,042 seconds is equal to 25 years, 45 weeks, 3 days, 6 hours, 20 minutes, 42 seconds.
• To count from 1 to 813,738,042 would take you about thirty-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 813738042 cubic inches would be around 77.8 feet tall.

Recreational maths with 813738042

• 813738042 backwards is 240837318
• The number of decimal digits it has is: 9
• The sum of 813738042's digits is 36
• More coming soon!