155372140
155,372,140 is an even composite number composed of six prime numbers multiplied together.
155372140 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 155372140:
22 × 5 × 73 × 11 × 29 × 71
(2 × 2 × 5 × 7 × 7 × 7 × 11 × 29 × 71)See below for interesting mathematical facts about the number 155372140 from the Numbermatics database.
Names of 155372140
- Cardinal: 155372140 can be written as One hundred fifty-five million, three hundred seventy-two thousand, one hundred forty.
Scientific notation
- Scientific notation: 1.5537214 × 108
Factors of 155372140
Divisors of 155372140
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 7 10 11 14 20 22 28 29 35 44 49 55 58 70 71 77 98 110 116 140 142 145 154 196 203 220 245 284 290 308 319 343 355 385 406 490 497 539 580 638 686 710 770 781 812 980 994 1015 1078 1276 1372 1420 1421 1540 1562 1595 1715 1988 2030 2059 2156 2233 2485 2695 2842 3124 3190 3430 3479 3773 3905 4060 4118 4466 4970 5390 5467 5684 6380 6860 6958 7105 7546 7810 8236 8932 9940 9947 10295 10780 10934 11165 13916 14210 14413 15092 15620 15631 17395 18865 19894 20590 21868 22330 22649 24353 27335 28420 28826 31262 34790 37730 38269 39788 41180 44660 45298 48706 49735 54670 57652 62524 69580 72065 75460 76538 78155 90596 97412 99470 100891 109340 109417 113245 121765 144130 153076 156310 158543 191345 198940 201782 218834 226490 243530 267883 288260 312620 317086 382690 403564 437668 452980 487060 504455 535766 547085 634172 706237 765380 792715 1008910 1071532 1094170 1109801 1339415 1412474 1585430 2017820 2188340 2219602 2678830 2824948 3170860 3531185 4439204 5357660 5549005 7062370 7768607 11098010 14124740 15537214 22196020 31074428 38843035 77686070 155372140
- Sum of all divisors σ(n): 435456000
- Sum of proper divisors (its aliquot sum) s(n): 280083860
- 155372140 is an abundant number, because the sum of its proper divisors (280083860) is greater than itself. Its abundance is 124711720
Bases of 155372140
- Binary: 10010100001011001010011011002
- Hexadecimal: 0x942CA6C
- Base-36: 2KI5WS
Squares and roots of 155372140
- 155372140 squared (1553721402) is 24140501888179600
- 155372140 cubed (1553721403) is 3750761439040505156344000
-
The
square root of 155372140 is 12464.8361401183 -
The
cube root of 155372140 is 537.5980884625
Scales and comparisons
How big is 155372140?- 155,372,140 seconds is equal to 4 years, 48 weeks, 6 days, 6 hours, 55 minutes, 40 seconds.
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To count from 1 to 155,372,140 would take you about seven 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 155372140 cubic inches would be around 44.8 feet tall.
Recreational maths with 155372140
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The information we have on file for 155372140 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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