72131346720
72,131,346,720 is an even composite number composed of six prime numbers multiplied together.
72131346720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 72131346720:
25 × 33 × 5 × 73 × 127 × 1801
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 73 × 127 × 1801)See below for interesting mathematical facts about the number 72131346720 from the Numbermatics database.
Names of 72131346720
- Cardinal: 72131346720 can be written as Seventy-two billion, one hundred thirty-one million, three hundred forty-six thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 7.213134672 × 1010
Factors of 72131346720
Divisors of 72131346720
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 73 80 90 96 108 120 127 135 144 146 160 180 216 219 240 254 270 288 292 360 365 381 432 438 480 508 540 584 635 657 720 730 762 864 876 1016 1080 1095 1143 1168 1270 1314 1440 1460 1524 1752 1801 1905 1971 2032 2160 2190 2286 2336 2540 2628 2920 3048 3285 3429 3504 3602 3810 3942 4064 4320 4380 4572 5080 5256 5403 5715 5840 6096 6570 6858 7008 7204 7620 7884 8760 9005 9144 9271 9855 10160 10512 10806 11430 11680 12192 13140 13716 14408 15240 15768 16209 17145 17520 18010 18288 18542 19710 20320 21024 21612 22860 26280 27015 27432 27813 28816 30480 31536 32418 34290 35040 36020 36576 37084 39420 43224 45720 46355 48627 52560 54030 54864 55626 57632 60960 63072 64836 68580 72040 74168 78840 81045 83439 86448 91440 92710 97254 105120 108060 109728 111252 129672 131473 137160 139065 144080 148336 157680 162090 166878 172896 182880 185420 194508 216120 222504 228727 243135 250317 259344 262946 274320 278130 288160 296672 315360 324180 333756 370840 389016 394419 417195 432240 445008 457454 486270 500634 518688 525892 548640 556260 648360 657365 667512 686181 741680 778032 788838 834390 864480 890016 914908 972540 1001268 1051784 1112520 1143635 1183257 1251585 1296720 1314730 1335024 1372362 1483360 1556064 1577676 1668780 1829816 1945080 1972095 2002536 2058543 2103568 2225040 2287270 2366514 2503170 2593440 2629460 2670048 2744724 3155352 3337560 3430905 3549771 3659632 3890160 3944190 4005072 4117086 4207136 4450080 4574540 4733028 5006340 5258920 5489448 5916285 6175629 6310704 6675120 6861810 7099542 7319264 7780320 7888380 8010144 8234172 9149080 9466056 10012680 10292715 10517840 10978896 11832570 12351258 12621408 13350240 13723620 14199084 15776760 16468344 16697071 17748855 18298160 18932112 20025360 20585430 21035680 21957792 23665140 24702516 27447240 28398168 30878145 31553520 32936688 33394142 35497710 36596320 37864224 40050720 41170860 47330280 49405032 50091213 54894480 56796336 61756290 63107040 65873376 66788284 70995420 82341720 83485355 94660560 98810064 100182426 109788960 113592672 123512580 133576568 141990840 150273639 164683440 166970710 189321120 197620128 200364852 247025160 250456065 267153136 283981680 300547278 329366880 333941420 400729704 450820917 494050320 500912130 534306272 567963360 601094556 667882840 751368195 801459408 901641834 988100640 1001824260 1202189112 1335765680 1502736390 1602918816 1803283668 2003648520 2254104585 2404378224 2671531360 3005472780 3606567336 4007297040 4508209170 4808756448 6010945560 7213134672 8014594080 9016418340 12021891120 14426269344 18032836680 24043782240 36065673360 72131346720
- Sum of all divisors σ(n): 258076385280
- Sum of proper divisors (its aliquot sum) s(n): 185945038560
- 72131346720 is an abundant number, because the sum of its proper divisors (185945038560) is greater than itself. Its abundance is 113813691840
Bases of 72131346720
- Binary: 10000110010110101110100000001001000002
- Hexadecimal: 0x10CB5D0120
- Base-36: X4X53C0
Squares and roots of 72131346720
- 72131346720 squared (721313467202) is 5202931179640854758400
- 72131346720 cubed (721313467203) is 375294432878973099655312232448000
-
The
square root of 72131346720 is 268572.7959418079 -
The
cube root of 72131346720 is 4162.6958518349
Scales and comparisons
How big is 72131346720?- 72,131,346,720 seconds is equal to 2,293 years, 28 weeks, 5 days, 13 hours, 12 minutes.
-
To count from 1 to 72,131,346,720 would take you about four thousand, five hundred eighty-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 72131346720 cubic inches would be around 346.9 feet tall.
Recreational maths with 72131346720
- 72131346720 backwards is 02764313127
- 72131346720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 72131346720's digits is 36
- More coming soon!
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