168388272
168,388,272 is an even composite number composed of five prime numbers multiplied together.
168388272 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 168388272:
24 × 32 × 13 × 293 × 307
(2 × 2 × 2 × 2 × 3 × 3 × 13 × 293 × 307)See below for interesting mathematical facts about the number 168388272 from the Numbermatics database.
Names of 168388272
- Cardinal: 168388272 can be written as One hundred sixty-eight million, three hundred eighty-eight thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 1.68388272 × 108
Factors of 168388272
Divisors of 168388272
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 293 307 312 468 586 614 624 879 921 936 1172 1228 1758 1842 1872 2344 2456 2637 2763 3516 3684 3809 3991 4688 4912 5274 5526 7032 7368 7618 7982 10548 11052 11427 11973 14064 14736 15236 15964 21096 22104 22854 23946 30472 31928 34281 35919 42192 44208 45708 47892 60944 63856 68562 71838 89951 91416 95784 137124 143676 179902 182832 191568 269853 274248 287352 359804 539706 548496 574704 719608 809559 1079412 1169363 1439216 1619118 2158824 2338726 3238236 3508089 4317648 4677452 6476472 7016178 9354904 10524267 12952944 14032356 18709808 21048534 28064712 42097068 56129424 84194136 168388272
- Sum of all divisors σ(n): 510894384
- Sum of proper divisors (its aliquot sum) s(n): 342506112
- 168388272 is an abundant number, because the sum of its proper divisors (342506112) is greater than itself. Its abundance is 174117840
Bases of 168388272
- Binary: 10100000100101100110101100002
- Hexadecimal: 0xA0966B0
- Base-36: 2S9580
Squares and roots of 168388272
- 168388272 squared (1683882722) is 28354610147145984
- 168388272 cubed (1683882723) is 4774583805911577977499648
-
The
square root of 168388272 is 12976.4506703489 -
The
cube root of 168388272 is 552.2095927459
Scales and comparisons
How big is 168388272?- 168,388,272 seconds is equal to 5 years, 18 weeks, 2 days, 22 hours, 31 minutes, 12 seconds.
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To count from 1 to 168,388,272 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 168388272 cubic inches would be around 46 feet tall.
Recreational maths with 168388272
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