145844972
145,844,972 is an even composite number composed of five prime numbers multiplied together.
145844972 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 145844972:
22 × 73 × 132 × 17 × 37
(2 × 2 × 7 × 7 × 7 × 13 × 13 × 17 × 37)See below for interesting mathematical facts about the number 145844972 from the Numbermatics database.
Names of 145844972
- Cardinal: 145844972 can be written as One hundred forty-five million, eight hundred forty-four thousand, nine hundred seventy-two.
Scientific notation
- Scientific notation: 1.45844972 × 108
Factors of 145844972
Divisors of 145844972
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 7 13 14 17 26 28 34 37 49 52 68 74 91 98 119 148 169 182 196 221 238 259 338 343 364 442 476 481 518 629 637 676 686 833 884 962 1036 1183 1258 1274 1372 1547 1666 1813 1924 2366 2516 2548 2873 3094 3332 3367 3626 4403 4459 4732 5746 5831 6188 6253 6734 7252 8177 8281 8806 8918 10829 11492 11662 12506 12691 13468 16354 16562 17612 17836 20111 21658 23324 23569 25012 25382 30821 32708 33124 40222 43316 43771 47138 50764 57239 57967 61642 75803 80444 87542 94276 106301 114478 115934 123284 140777 151606 164983 175084 212602 215747 228956 231868 281554 303212 306397 329966 400673 425204 431494 563108 612794 659932 744107 801346 862988 985439 1225588 1488214 1602692 1970878 2144779 2804711 2976428 3941756 4289558 5208749 5609422 8579116 10417498 11218844 20834996 36461243 72922486 145844972
- Sum of all divisors σ(n): 350481600
- Sum of proper divisors (its aliquot sum) s(n): 204636628
- 145844972 is an abundant number, because the sum of its proper divisors (204636628) is greater than itself. Its abundance is 58791656
Bases of 145844972
- Binary: 10001011000101101010111011002
- Hexadecimal: 0x8B16AEC
- Base-36: 2ETYP8
Squares and roots of 145844972
- 145844972 squared (1458449722) is 21270755857680784
- 145844972 cubed (1458449723) is 3102232792482289927418048
-
The
square root of 145844972 is 12076.6291654583 -
The
cube root of 145844972 is 526.3773020997
Scales and comparisons
How big is 145844972?- 145,844,972 seconds is equal to 4 years, 33 weeks, 1 day, 29 minutes, 32 seconds.
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To count from 1 to 145,844,972 would take you about six 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 145844972 cubic inches would be around 43.9 feet tall.
Recreational maths with 145844972
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