152749989
152,749,989 is an odd composite number composed of four prime numbers multiplied together.
152749989 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 152749989:
33 × 7 × 292 × 312
(3 × 3 × 3 × 7 × 29 × 29 × 31 × 31)See below for interesting mathematical facts about the number 152749989 from the Numbermatics database.
Names of 152749989
- Cardinal: 152749989 can be written as One hundred fifty-two million, seven hundred forty-nine thousand, nine hundred eighty-nine.
Scientific notation
- Scientific notation: 1.52749989 × 108
Factors of 152749989
Divisors of 152749989
- Number of divisors d(n): 72
-
Complete list of divisors:
1 3 7 9 21 27 29 31 63 87 93 189 203 217 261 279 609 651 783 837 841 899 961 1827 1953 2523 2697 2883 5481 5859 5887 6293 6727 7569 8091 8649 17661 18879 20181 22707 24273 25947 26071 27869 52983 56637 60543 78213 83607 158949 169911 181629 182497 195083 234639 250821 547491 585249 703917 752463 808201 1642473 1755747 2424603 4927419 5267241 5657407 7273809 16972221 21821427 50916663 152749989
- Sum of all divisors σ(n): 276768960
- Sum of proper divisors (its aliquot sum) s(n): 124018971
- 152749989 is a deficient number, because the sum of its proper divisors (124018971) is less than itself. Its deficiency is 28731018
Bases of 152749989
- Binary: 10010001101011000111101001012
- Hexadecimal: 0x91AC7A5
- Base-36: 2IXYN9
Squares and roots of 152749989
- 152749989 squared (1527499892) is 23332559139500121
- 152749989 cubed (1527499893) is 3564048151900492948248669
-
The
square root of 152749989 is 12359.2066492959 -
The
cube root of 152749989 is 534.5566408671
Scales and comparisons
How big is 152749989?- 152,749,989 seconds is equal to 4 years, 44 weeks, 3 days, 22 hours, 33 minutes, 9 seconds.
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To count from 1 to 152,749,989 would take you about seven 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 152749989 cubic inches would be around 44.5 feet tall.
Recreational maths with 152749989
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