145987072
145,987,072 is an even composite number composed of four prime numbers multiplied together.
145987072 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 145987072:
29 × 72 × 11 × 232
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 11 × 23 × 23)See below for interesting mathematical facts about the number 145987072 from the Numbermatics database.
Names of 145987072
- Cardinal: 145987072 can be written as One hundred forty-five million, nine hundred eighty-seven thousand and seventy-two.
Scientific notation
- Scientific notation: 1.45987072 × 108
Factors of 145987072
Divisors of 145987072
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 4 7 8 11 14 16 22 23 28 32 44 46 49 56 64 77 88 92 98 112 128 154 161 176 184 196 224 253 256 308 322 352 368 392 448 506 512 529 539 616 644 704 736 784 896 1012 1058 1078 1127 1232 1288 1408 1472 1568 1771 1792 2024 2116 2156 2254 2464 2576 2816 2944 3136 3542 3584 3703 4048 4232 4312 4508 4928 5152 5632 5819 5888 6272 7084 7406 8096 8464 8624 9016 9856 10304 11638 11776 12397 12544 14168 14812 16192 16928 17248 18032 19712 20608 23276 24794 25088 25921 28336 29624 32384 33856 34496 36064 39424 40733 41216 46552 49588 51842 56672 59248 64768 67712 68992 72128 81466 82432 93104 99176 103684 113344 118496 129536 135424 137984 144256 162932 186208 198352 207368 226688 236992 270848 275968 285131 288512 325864 372416 396704 414736 453376 473984 570262 577024 651728 744832 793408 829472 906752 947968 1140524 1303456 1489664 1586816 1658944 1895936 2281048 2606912 2979328 3173632 3317888 4562096 5213824 6347264 6635776 9124192 10427648 13271552 18248384 20855296 36496768 72993536 145987072
- Sum of all divisors σ(n): 386951796
- Sum of proper divisors (its aliquot sum) s(n): 240964724
- 145987072 is an abundant number, because the sum of its proper divisors (240964724) is greater than itself. Its abundance is 94977652
Bases of 145987072
- Binary: 10001011001110010110000000002
- Hexadecimal: 0x8B39600
- Base-36: 2EX0CG
Squares and roots of 145987072
- 145987072 squared (1459870722) is 21312225191133184
- 145987072 cubed (1459870723) is 3111309353458173894197248
-
The
square root of 145987072 is 12082.5109973051 -
The
cube root of 145987072 is 526.5482003125
Scales and comparisons
How big is 145987072?- 145,987,072 seconds is equal to 4 years, 33 weeks, 2 days, 15 hours, 57 minutes, 52 seconds.
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To count from 1 to 145,987,072 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 145987072 cubic inches would be around 43.9 feet tall.
Recreational maths with 145987072
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