145491120
145,491,120 is an even composite number composed of five prime numbers multiplied together.
145491120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 145491120:
24 × 33 × 5 × 193 × 349
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 193 × 349)See below for interesting mathematical facts about the number 145491120 from the Numbermatics database.
Names of 145491120
- Cardinal: 145491120 can be written as One hundred forty-five million, four hundred ninety-one thousand, one hundred twenty.
Scientific notation
- Scientific notation: 1.4549112 × 108
Factors of 145491120
Divisors of 145491120
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 193 216 240 270 349 360 386 432 540 579 698 720 772 965 1047 1080 1158 1396 1544 1737 1745 1930 2094 2160 2316 2792 2895 3088 3141 3474 3490 3860 4188 4632 5211 5235 5584 5790 6282 6948 6980 7720 8376 8685 9264 9423 10422 10470 11580 12564 13896 13960 15440 15705 16752 17370 18846 20844 20940 23160 25128 26055 27792 27920 31410 34740 37692 41688 41880 46320 47115 50256 52110 62820 67357 69480 75384 83376 83760 94230 104220 125640 134714 138960 150768 188460 202071 208440 251280 269428 336785 376920 404142 416880 538856 606213 673570 753840 808284 1010355 1077712 1212426 1347140 1616568 1818639 2020710 2424852 2694280 3031065 3233136 3637278 4041420 4849704 5388560 6062130 7274556 8082840 9093195 9699408 12124260 14549112 16165680 18186390 24248520 29098224 36372780 48497040 72745560 145491120
- Sum of all divisors σ(n): 505176000
- Sum of proper divisors (its aliquot sum) s(n): 359684880
- 145491120 is an abundant number, because the sum of its proper divisors (359684880) is greater than itself. Its abundance is 214193760
Bases of 145491120
- Binary: 10001010110000000100101100002
- Hexadecimal: 0x8AC04B0
- Base-36: 2EMDO0
Squares and roots of 145491120
- 145491120 squared (1454911202) is 21167665998854400
- 145491120 cubed (1454911203) is 3079707433959245372928000
-
The
square root of 145491120 is 12061.9699883559 -
The
cube root of 145491120 is 525.9512549585
Scales and comparisons
How big is 145491120?- 145,491,120 seconds is equal to 4 years, 32 weeks, 3 days, 22 hours, 12 minutes.
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To count from 1 to 145,491,120 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 145491120 cubic inches would be around 43.8 feet tall.
Recreational maths with 145491120
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