72640641552640
72,640,641,552,640 is an even composite number composed of five prime numbers multiplied together.
72640641552640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 72640641552640:
28 × 5 × 7 × 191 × 42446149
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 191 × 42446149)See below for interesting mathematical facts about the number 72640641552640 from the Numbermatics database.
Names of 72640641552640
- Cardinal: 72640641552640 can be written as Seventy-two trillion, six hundred forty billion, six hundred forty-one million, five hundred fifty-two thousand, six hundred forty.
Scientific notation
- Scientific notation: 7.264064155264 × 1013
Factors of 72640641552640
Divisors of 72640641552640
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 191 224 256 280 320 382 448 560 640 764 896 955 1120 1280 1337 1528 1792 1910 2240 2674 3056 3820 4480 5348 6112 6685 7640 8960 10696 12224 13370 15280 21392 24448 26740 30560 42784 48896 53480 61120 85568 106960 122240 171136 213920 244480 342272 427840 855680 1711360 42446149 84892298 169784596 212230745 297123043 339569192 424461490 594246086 679138384 848922980 1188492172 1358276768 1485615215 1697845960 2376984344 2716553536 2971230430 3395691920 4753968688 5433107072 5942460860 6791383840 8107214459 9507937376 10866214144 11884921720 13582767680 16214428918 19015874752 23769843440 27165535360 32428857836 38031749504 40536072295 47539686880 54331070720 56750501213 64857715672 76063499008 81072144590 95079373760 113501002426 129715431344 162144289180 190158747520 227002004852 259430862688 283752506065 324288578360 380317495040 454004009704 518861725376 567505012130 648577156720 908008019408 1037723450752 1135010024260 1297154313440 1816016038816 2075446901504 2270020048520 2594308626880 3632032077632 4540040097040 5188617253760 7264064155264 9080080194080 10377234507520 14528128310528 18160160388160 36320320776320 72640641552640
- Sum of all divisors σ(n): 199894880102400
- Sum of proper divisors (its aliquot sum) s(n): 127254238549760
- 72640641552640 is an abundant number, because the sum of its proper divisors (127254238549760) is greater than itself. Its abundance is 54613596997120
Bases of 72640641552640
- Binary: 100001000010000111101111010001011010001000000002
- Hexadecimal: 0x4210F7A2D100
- Base-36: PQYNEGD8G
Squares and roots of 72640641552640
- 72640641552640 squared (726406415526402) is 5276662805179128989890969600
- 72640641552640 cubed (726406415526403) is 383300171425164982301556396828859039744000
-
The
square root of 72640641552640 is 8522947.9379285193 -
The
cube root of 72640641552640 is 41724.7000892829
Scales and comparisons
How big is 72640641552640?- 72,640,641,552,640 seconds is equal to 2,309,747 years, 36 weeks, 6 days, 2 hours, 50 minutes, 40 seconds.
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To count from 1 to 72,640,641,552,640 would take you about five million, seven hundred seventy-four thousand, three hundred sixty-nine 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 72640641552640 cubic inches would be around 3477.1 feet tall.
Recreational maths with 72640641552640
- 72640641552640 backwards is 04625514604627
- The number of decimal digits it has is: 14
- The sum of 72640641552640's digits is 52
- More coming soon!
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