145710720
145,710,720 is an even composite number composed of five prime numbers multiplied together.
145710720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 145710720:
27 × 32 × 5 × 41 × 617
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 41 × 617)See below for interesting mathematical facts about the number 145710720 from the Numbermatics database.
Names of 145710720
- Cardinal: 145710720 can be written as One hundred forty-five million, seven hundred ten thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.4571072 × 108
Factors of 145710720
Divisors of 145710720
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 41 45 48 60 64 72 80 82 90 96 120 123 128 144 160 164 180 192 205 240 246 288 320 328 360 369 384 410 480 492 576 615 617 640 656 720 738 820 960 984 1152 1230 1234 1312 1440 1476 1640 1845 1851 1920 1968 2460 2468 2624 2880 2952 3085 3280 3690 3702 3936 4920 4936 5248 5553 5760 5904 6170 6560 7380 7404 7872 9255 9840 9872 11106 11808 12340 13120 14760 14808 15744 18510 19680 19744 22212 23616 24680 25297 26240 27765 29520 29616 37020 39360 39488 44424 47232 49360 50594 55530 59040 59232 74040 75891 78720 78976 88848 98720 101188 111060 118080 118464 126485 148080 151782 177696 197440 202376 222120 227673 236160 236928 252970 296160 303564 355392 379455 394880 404752 444240 455346 505940 592320 607128 710784 758910 809504 888480 910692 1011880 1138365 1184640 1214256 1517820 1619008 1776960 1821384 2023760 2276730 2428512 3035640 3238016 3553920 3642768 4047520 4553460 4857024 6071280 7285536 8095040 9106920 9714048 12142560 14571072 16190080 18213840 24285120 29142144 36427680 48570240 72855360 145710720
- Sum of all divisors σ(n): 516264840
- Sum of proper divisors (its aliquot sum) s(n): 370554120
- 145710720 is an abundant number, because the sum of its proper divisors (370554120) is greater than itself. Its abundance is 224843400
Bases of 145710720
- Binary: 10001010111101011110100000002
- Hexadecimal: 0x8AF5E80
- Base-36: 2ER340
Squares and roots of 145710720
- 145710720 squared (1457107202) is 21231613922918400
- 145710720 cubed (1457107203) is 3093673751470464565248000
-
The
square root of 145710720 is 12071.0695466475 -
The
cube root of 145710720 is 526.2157403649
Scales and comparisons
How big is 145710720?- 145,710,720 seconds is equal to 4 years, 32 weeks, 6 days, 11 hours, 12 minutes.
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To count from 1 to 145,710,720 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 145710720 cubic inches would be around 43.9 feet tall.
Recreational maths with 145710720
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