804640891456640

Names of 804640891456640

• Cardinal: 804640891456640 can be written as Eight hundred four trillion, six hundred forty billion, eight hundred ninety-one million, four hundred fifty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 8.0464089145664 × 10¹⁴

Factors of 804640891456640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 179607341857

Divisors of 804640891456640

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 280 320 448 560 640 896 1120 2240 4480 179607341843 359214683686 718429367372 898036709215 1257251392901 1436858734744 1796073418430 2514502785802 2873717469488 3592146836860 5029005571604 5747434938976 6286256964505 7184293673720 10058011143208 11494869877952 12572513929010 14368587347440 20116022286416 22989739755904 25145027858020 28737174694880 40232044572832 50290055716040 57474349389760 80464089145664 100580111432080 114948698779520 160928178291328 201160222864160 402320445728320 804640891456640
• Sum of all divisors σ(n): 2198393864170560
• Sum of proper divisors (its aliquot sum) s(n): 1393752972713920
• 804640891456640 is an abundant number, because the sum of its proper divisors (1393752972713920) is greater than itself. Its abundance is 589112081257280

Bases of 804640891456640

• Binary: 10110110111101000100001110100000011100110010000000₂
• Hexadecimal: 0x2DBD10E81CC80
• Base-36: 7X7YX7K77K

Squares and roots of 804640891456640

• 804640891456640 squared (804640891456640²) is 647446964204136314141000089600
• 804640891456640 cubed (804640891456640³) is 520962302448111531430047018216170114514944000
• The square root of 804640891456640 is 28366192.7557548689
• The cube root of 804640891456640 is 93010.9399184531

Scales and comparisons

• 804,640,891,456,640 seconds is equal to 25,585,091 years, 22 weeks, 2 days, 17 hours, 57 minutes, 20 seconds.
• To count from 1 to 804,640,891,456,640 would take you about sixty-three million, nine hundred sixty-two thousand, seven hundred twenty-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 804640891456640 cubic inches would be around 7750.9 feet tall.

Recreational maths with 804640891456640

• 804640891456640 backwards is 046654198046408
• The number of decimal digits it has is: 15
• The sum of 804640891456640's digits is 65
• More coming soon!