145394172
145,394,172 is an even composite number composed of six prime numbers multiplied together.
145394172 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 145394172:
22 × 32 × 72 × 11 × 59 × 127
(2 × 2 × 3 × 3 × 7 × 7 × 11 × 59 × 127)See below for interesting mathematical facts about the number 145394172 from the Numbermatics database.
Names of 145394172
- Cardinal: 145394172 can be written as One hundred forty-five million, three hundred ninety-four thousand, one hundred seventy-two.
Scientific notation
- Scientific notation: 1.45394172 × 108
Factors of 145394172
Divisors of 145394172
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 49 59 63 66 77 84 98 99 118 126 127 132 147 154 177 196 198 231 236 252 254 294 308 354 381 396 413 441 462 508 531 539 588 649 693 708 762 826 882 889 924 1062 1078 1143 1239 1298 1386 1397 1524 1617 1652 1764 1778 1947 2124 2156 2286 2478 2596 2667 2772 2794 2891 3234 3556 3717 3894 4191 4543 4572 4851 4956 5334 5588 5782 5841 6223 6468 7434 7493 7788 8001 8382 8673 9086 9702 9779 10668 11564 11682 12446 12573 13629 14868 14986 16002 16764 17346 18172 18669 19404 19558 22479 23364 24892 25146 26019 27258 29337 29972 31801 32004 34692 37338 39116 40887 44958 50292 52038 52451 54516 56007 58674 63602 67437 68453 74676 81774 82423 88011 89916 95403 104076 104902 112014 117348 127204 134874 136906 157353 163548 164846 176022 190806 205359 209804 224028 247269 269748 273812 286209 314706 329692 352044 367157 381612 410718 472059 494538 572418 576961 616077 629412 734314 741807 821436 944118 989076 1101471 1144836 1153922 1232154 1468628 1483614 1730883 1888236 2202942 2307844 2464308 2967228 3304413 3461766 4038727 4405884 5192649 6608826 6923532 8077454 10385298 12116181 13217652 16154908 20770596 24232362 36348543 48464724 72697086 145394172
- Sum of all divisors σ(n): 478033920
- Sum of proper divisors (its aliquot sum) s(n): 332639748
- 145394172 is an abundant number, because the sum of its proper divisors (332639748) is greater than itself. Its abundance is 187245576
Bases of 145394172
- Binary: 10001010101010001001111111002
- Hexadecimal: 0x8AA89FC
- Base-36: 2EKAV0
Squares and roots of 145394172
- 145394172 squared (1453941722) is 21139465251565584
- 145394172 cubed (1453941723) is 3073555046774149789376448
-
The
square root of 145394172 is 12057.9505721327 -
The
cube root of 145394172 is 525.8344064705
Scales and comparisons
How big is 145394172?- 145,394,172 seconds is equal to 4 years, 32 weeks, 2 days, 19 hours, 16 minutes, 12 seconds.
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To count from 1 to 145,394,172 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 145394172 cubic inches would be around 43.8 feet tall.
Recreational maths with 145394172
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