856427420
856,427,420 is an even composite number composed of six prime numbers multiplied together.
856427420 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 856427420:
22 × 5 × 29 × 47 × 89 × 353
(2 × 2 × 5 × 29 × 47 × 89 × 353)See below for interesting mathematical facts about the number 856427420 from the Numbermatics database.
Names of 856427420
- Cardinal: 856427420 can be written as Eight hundred fifty-six million, four hundred twenty-seven thousand, four hundred twenty.
Scientific notation
- Scientific notation: 8.5642742 × 108
Factors of 856427420
Divisors of 856427420
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 10 20 29 47 58 89 94 116 145 178 188 235 290 353 356 445 470 580 706 890 940 1363 1412 1765 1780 2581 2726 3530 4183 5162 5452 6815 7060 8366 10237 10324 12905 13630 16591 16732 20474 20915 25810 27260 31417 33182 40948 41830 51185 51620 62834 66364 82955 83660 102370 121307 125668 157085 165910 204740 242614 314170 331820 481139 485228 606535 628340 911093 962278 1213070 1476599 1822186 1924556 2405695 2426140 2953198 3644372 4555465 4811390 5906396 7382995 9110930 9622780 14765990 18221860 29531980 42821371 85642742 171285484 214106855 428213710 856427420
- Sum of all divisors σ(n): 1926892800
- Sum of proper divisors (its aliquot sum) s(n): 1070465380
- 856427420 is an abundant number, because the sum of its proper divisors (1070465380) is greater than itself. Its abundance is 214037960
Bases of 856427420
- Binary: 1100110000110000001011100111002
- Hexadecimal: 0x330C0B9C
- Base-36: E5W7MK
Squares and roots of 856427420
- 856427420 squared (8564274202) is 733467925727856400
- 856427420 cubed (8564274203) is 628162043283859678782488000
-
The
square root of 856427420 is 29264.7812224865 -
The
cube root of 856427420 is 949.6498876061
Scales and comparisons
How big is 856427420?- 856,427,420 seconds is equal to 27 years, 12 weeks, 8 hours, 30 minutes, 20 seconds.
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To count from 1 to 856,427,420 would take you about forty 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 856427420 cubic inches would be around 79.1 feet tall.
Recreational maths with 856427420
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