138540458240
138,540,458,240 is an even composite number composed of five prime numbers multiplied together.
138540458240 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 138540458240:
28 × 5 × 17 × 31 × 593
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 17 × 31 × 59 × 59 × 59)See below for interesting mathematical facts about the number 138540458240 from the Numbermatics database.
Names of 138540458240
- Cardinal: 138540458240 can be written as One hundred thirty-eight billion, five hundred forty million, four hundred fifty-eight thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.3854045824 × 1011
Factors of 138540458240
Divisors of 138540458240
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 31 32 34 40 59 62 64 68 80 85 118 124 128 136 155 160 170 236 248 256 272 295 310 320 340 472 496 527 544 590 620 640 680 944 992 1003 1054 1088 1180 1240 1280 1360 1829 1888 1984 2006 2108 2176 2360 2480 2635 2720 3481 3658 3776 3968 4012 4216 4352 4720 4960 5015 5270 5440 6962 7316 7552 7936 8024 8432 9145 9440 9920 10030 10540 10880 13924 14632 15104 16048 16864 17405 18290 18880 19840 20060 21080 21760 27848 29264 31093 32096 33728 34810 36580 37760 39680 40120 42160 55696 58528 59177 62186 64192 67456 69620 73160 75520 80240 84320 107911 111392 117056 118354 124372 128384 134912 139240 146320 155465 160480 168640 205379 215822 222784 234112 236708 248744 256768 278480 292640 295885 310930 320960 337280 410758 431644 445568 468224 473416 497488 539555 556960 585280 591770 621860 641920 674560 821516 863288 891136 946832 994976 1026895 1079110 1113920 1170560 1183540 1243720 1283840 1643032 1726576 1834487 1893664 1989952 2053790 2158220 2227840 2341120 2367080 2487440 3286064 3453152 3491443 3668974 3787328 3979904 4107580 4316440 4455680 4734160 4974880 6366749 6572128 6906304 6982886 7337948 7574656 7959808 8215160 8632880 9172435 9468320 9949760 12733498 13144256 13812608 13965772 14675896 15149312 16430320 17265760 17457215 18344870 18936640 19899520 25466996 26288512 27625216 27931544 29351792 31833745 32860640 34531520 34914430 36689740 37873280 39799040 50933992 52577024 55863088 58703584 63667490 65721280 69063040 69828860 73379480 75746560 101867984 108234733 111726176 117407168 127334980 131442560 138126080 139657720 146758960 203735968 216469466 223452352 234814336 254669960 262885120 279315440 293517920 407471936 432938932 446904704 469628672 509339920 541173665 558630880 587035840 814943872 865877864 893809408 1018679840 1082347330 1117261760 1174071680 1629887744 1731755728 2037359680 2164694660 2234523520 2348143360 3463511456 4074719360 4329389320 4469047040 6927022912 8149438720 8658778640 13854045824 17317557280 27708091648 34635114560 69270229120 138540458240
- Sum of all divisors σ(n): 368956062720
- Sum of proper divisors (its aliquot sum) s(n): 230415604480
- 138540458240 is an abundant number, because the sum of its proper divisors (230415604480) is greater than itself. Its abundance is 91875146240
Bases of 138540458240
- Binary: 100000010000011010011110100001000000002
- Hexadecimal: 0x2041A7A100
- Base-36: 1RN7ETQ8
Squares and roots of 138540458240
- 138540458240 squared (1385404582402) is 19193458569349183897600
- 138540458240 cubed (1385404582403) is 2659070545408090755743533236224000
-
The
square root of 138540458240 is 372210.2339270107 -
The
cube root of 138540458240 is 5174.3865966377
Scales and comparisons
How big is 138540458240?- 138,540,458,240 seconds is equal to 4,405 years, 8 weeks, 1 day, 12 hours, 37 minutes, 20 seconds.
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To count from 1 to 138,540,458,240 would take you about eight thousand, eight hundred ten 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 138540458240 cubic inches would be around 431.2 feet tall.
Recreational maths with 138540458240
- 138540458240 backwards is 042854045831
- The number of decimal digits it has is: 12
- The sum of 138540458240's digits is 44
- More coming soon!
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