168143157
168,143,157 is an odd composite number composed of five prime numbers multiplied together.
168143157 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 168143157:
32 × 72 × 13 × 139 × 211
(3 × 3 × 7 × 7 × 13 × 139 × 211)See below for interesting mathematical facts about the number 168143157 from the Numbermatics database.
Names of 168143157
- Cardinal: 168143157 can be written as One hundred sixty-eight million, one hundred forty-three thousand, one hundred fifty-seven.
Scientific notation
- Scientific notation: 1.68143157 × 108
Factors of 168143157
Divisors of 168143157
- Number of divisors d(n): 72
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Complete list of divisors:
1 3 7 9 13 21 39 49 63 91 117 139 147 211 273 417 441 633 637 819 973 1251 1477 1807 1899 1911 2743 2919 4431 5421 5733 6811 8229 8757 10339 12649 13293 16263 19201 20433 24687 29329 31017 37947 57603 61299 87987 88543 93051 113841 134407 172809 205303 263961 265629 381277 403221 615909 796887 1143831 1209663 1437121 1847727 2668939 3431493 4311363 8006817 12934089 18682573 24020451 56047719 168143157
- Sum of all divisors σ(n): 307900320
- Sum of proper divisors (its aliquot sum) s(n): 139757163
- 168143157 is a deficient number, because the sum of its proper divisors (139757163) is less than itself. Its deficiency is 28385994
Bases of 168143157
- Binary: 10100000010110101001001101012
- Hexadecimal: 0xA05A935
- Base-36: 2S3W39
Squares and roots of 168143157
- 168143157 squared (1681431572) is 28272121245926649
- 168143157 cubed (1681431573) is 4753763721376880153290893
-
The
square root of 168143157 is 12967.0026220403 -
The
cube root of 168143157 is 551.9415206637
Scales and comparisons
How big is 168143157?- 168,143,157 seconds is equal to 5 years, 18 weeks, 2 hours, 25 minutes, 57 seconds.
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To count from 1 to 168,143,157 would take you about 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 168143157 cubic inches would be around 46 feet tall.
Recreational maths with 168143157
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