145128672
145,128,672 is an even composite number composed of five prime numbers multiplied together.
145128672 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 145128672:
25 × 34 × 13 × 59 × 73
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 13 × 59 × 73)See below for interesting mathematical facts about the number 145128672 from the Numbermatics database.
Names of 145128672
- Cardinal: 145128672 can be written as One hundred forty-five million, one hundred twenty-eight thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 1.45128672 × 108
Factors of 145128672
Divisors of 145128672
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 59 72 73 78 81 96 104 108 117 118 144 146 156 162 177 208 216 219 234 236 288 292 312 324 351 354 416 432 438 468 472 531 584 624 648 657 702 708 767 864 876 936 944 949 1053 1062 1168 1248 1296 1314 1404 1416 1534 1593 1752 1872 1888 1898 1971 2106 2124 2301 2336 2592 2628 2808 2832 2847 3068 3186 3504 3744 3796 3942 4212 4248 4307 4602 4779 5256 5616 5664 5694 5913 6136 6372 6903 7008 7592 7884 8424 8496 8541 8614 9204 9558 10512 11232 11388 11826 12272 12744 12921 13806 15184 15768 16848 16992 17082 17228 18408 19116 20709 21024 22776 23652 24544 25488 25623 25842 27612 30368 31536 33696 34164 34456 36816 38232 38763 41418 45552 47304 50976 51246 51684 55224 55991 62127 63072 68328 68912 73632 76464 76869 77526 82836 91104 94608 102492 103368 110448 111982 116289 124254 136656 137824 152928 153738 155052 165672 167973 189216 204984 206736 220896 223964 232578 248508 273312 307476 310104 331344 335946 348867 409968 413472 447928 465156 497016 503919 614952 620208 662688 671892 697734 819936 895856 930312 994032 1007838 1229904 1240416 1343784 1395468 1511757 1791712 1860624 1988064 2015676 2459808 2687568 2790936 3023514 3721248 4031352 4535271 5375136 5581872 6047028 8062704 9070542 11163744 12094056 16125408 18141084 24188112 36282168 48376224 72564336 145128672
- Sum of all divisors σ(n): 473845680
- Sum of proper divisors (its aliquot sum) s(n): 328717008
- 145128672 is an abundant number, because the sum of its proper divisors (328717008) is greater than itself. Its abundance is 183588336
Bases of 145128672
- Binary: 10001010011001111100111000002
- Hexadecimal: 0x8A67CE0
- Base-36: 2EEM00
Squares and roots of 145128672
- 145128672 squared (1451286722) is 21062331436483584
- 145128672 cubed (1451286723) is 3056748190600714895720448
-
The
square root of 145128672 is 12046.9362080157 -
The
cube root of 145128672 is 525.5141412265
Scales and comparisons
How big is 145128672?- 145,128,672 seconds is equal to 4 years, 31 weeks, 6 days, 17 hours, 31 minutes, 12 seconds.
-
To count from 1 to 145,128,672 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 145128672 cubic inches would be around 43.8 feet tall.
Recreational maths with 145128672
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