138907401984
138,907,401,984 is an even composite number composed of five prime numbers multiplied together.
138907401984 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 138907401984:
28 × 33 × 13 × 97 × 15937
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 13 × 97 × 15937)See below for interesting mathematical facts about the number 138907401984 from the Numbermatics database.
Names of 138907401984
- Cardinal: 138907401984 can be written as One hundred thirty-eight billion, nine hundred seven million, four hundred one thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 1.38907401984 × 1011
Factors of 138907401984
Divisors of 138907401984
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 96 97 104 108 117 128 144 156 192 194 208 216 234 256 288 291 312 351 384 388 416 432 468 576 582 624 702 768 776 832 864 873 936 1152 1164 1248 1261 1404 1552 1664 1728 1746 1872 2304 2328 2496 2522 2619 2808 3104 3328 3456 3492 3744 3783 4656 4992 5044 5238 5616 6208 6912 6984 7488 7566 9312 9984 10088 10476 11232 11349 12416 13968 14976 15132 15937 18624 20176 20952 22464 22698 24832 27936 29952 30264 31874 34047 37248 40352 41904 44928 45396 47811 55872 60528 63748 68094 74496 80704 83808 89856 90792 95622 111744 121056 127496 136188 143433 161408 167616 181584 191244 207181 223488 242112 254992 272376 286866 322816 335232 363168 382488 414362 430299 484224 509984 544752 573732 621543 670464 726336 764976 828724 860598 968448 1019968 1089504 1147464 1243086 1452672 1529952 1545889 1657448 1721196 1864629 2039936 2179008 2294928 2486172 2905344 3059904 3091778 3314896 3442392 3729258 4079872 4358016 4589856 4637667 4972344 5593887 6119808 6183556 6629792 6884784 7458516 8716032 9179712 9275334 9944688 11187774 12239616 12367112 13259584 13769568 13913001 14917032 18359424 18550668 19889376 20096557 22375548 24734224 26519168 27539136 27826002 29834064 36718848 37101336 39778752 40193114 41739003 44751096 49468448 53038336 55078272 55652004 59668128 60289671 74202672 79557504 80386228 83478006 89502192 98936896 110156544 111304008 119336256 120579342 148405344 159115008 160772456 166956012 179004384 180869013 197873792 222608016 238672512 241158684 296810688 321544912 333912024 358008768 361738026 395747584 445216032 477345024 482317368 542607039 593621376 643089824 667824048 716017536 723476052 890432064 964634736 1085214078 1187242752 1286179648 1335648096 1432035072 1446952104 1780864128 1929269472 2170428156 2572359296 2671296192 2893904208 3561728256 3858538944 4340856312 5144718592 5342592384 5787808416 7717077888 8681712624 10685184768 11575616832 15434155776 17363425248 23151233664 34726850496 46302467328 69453700992 138907401984
- Sum of all divisors σ(n): 446960171840
- Sum of proper divisors (its aliquot sum) s(n): 308052769856
- 138907401984 is an abundant number, because the sum of its proper divisors (308052769856) is greater than itself. Its abundance is 169145367872
Bases of 138907401984
- Binary: 100000010101111000011010111111000000002
- Hexadecimal: 0x205786BF00
- Base-36: 1RT9VPC0
Squares and roots of 138907401984
- 138907401984 squared (1389074019842) is 19295266325944567136256
- 138907401984 cubed (1389074019843) is 2680255315926320755696787892731904
-
The
square root of 138907401984 is 372702.8333458173 -
The
cube root of 138907401984 is 5178.9509309973
Scales and comparisons
How big is 138907401984?- 138,907,401,984 seconds is equal to 4,416 years, 42 weeks, 6 days, 13 hours, 26 minutes, 24 seconds.
-
To count from 1 to 138,907,401,984 would take you about eight thousand, eight hundred thirty-three 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 138907401984 cubic inches would be around 431.6 feet tall.
Recreational maths with 138907401984
- 138907401984 backwards is 489104709831
- 138907401984 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138907401984's digits is 54
- More coming soon!
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