138871879680
138,871,879,680 is an even composite number composed of five prime numbers multiplied together.
138871879680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 138871879680:
211 × 3 × 5 × 389 × 11621
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 389 × 11621)See below for interesting mathematical facts about the number 138871879680 from the Numbermatics database.
Names of 138871879680
- Cardinal: 138871879680 can be written as One hundred thirty-eight billion, eight hundred seventy-one million, eight hundred seventy-nine thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.3887187968 × 1011
Factors of 138871879680
Divisors of 138871879680
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 389 480 512 640 768 778 960 1024 1167 1280 1536 1556 1920 1945 2048 2334 2560 3072 3112 3840 3890 4668 5120 5835 6144 6224 7680 7780 9336 10240 11621 11670 12448 15360 15560 18672 23242 23340 24896 30720 31120 34863 37344 46484 46680 49792 58105 62240 69726 74688 92968 93360 99584 116210 124480 139452 149376 174315 185936 186720 199168 232420 248960 278904 298752 348630 371872 373440 398336 464840 497920 557808 597504 697260 743744 746880 796672 929680 995840 1115616 1195008 1394520 1487488 1493760 1859360 1991680 2231232 2390016 2789040 2974976 2987520 3718720 3983360 4462464 4520569 5578080 5949952 5975040 7437440 8924928 9041138 11156160 11899904 11950080 13561707 14874880 17849856 18082276 22312320 22602845 23799808 27123414 29749760 35699712 36164552 44624640 45205690 54246828 59499520 67808535 71399424 72329104 89249280 90411380 108493656 118999040 135617070 144658208 178498560 180822760 216987312 271234140 289316416 356997120 361645520 433974624 542468280 578632832 723291040 867949248 1084936560 1157265664 1446582080 1735898496 2169873120 2314531328 2893164160 3471796992 4339746240 4629062656 5786328320 6943593984 8679492480 9258125312 11572656640 13887187968 17358984960 23145313280 27774375936 34717969920 46290626560 69435939840 138871879680
- Sum of all divisors σ(n): 445461962400
- Sum of proper divisors (its aliquot sum) s(n): 306590082720
- 138871879680 is an abundant number, because the sum of its proper divisors (306590082720) is greater than itself. Its abundance is 167718203040
Bases of 138871879680
- Binary: 100000010101010110100010111000000000002
- Hexadecimal: 0x205568B800
- Base-36: 1RSOQC5C
Squares and roots of 138871879680
- 138871879680 squared (1388718796802) is 19285398965856396902400
- 138871879680 cubed (1388718796803) is 2678199604767205978788417503232000
-
The
square root of 138871879680 is 372655.1753028529 -
The
cube root of 138871879680 is 5178.5094283587
Scales and comparisons
How big is 138871879680?- 138,871,879,680 seconds is equal to 4,415 years, 36 weeks, 1 day, 10 hours, 8 minutes.
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To count from 1 to 138,871,879,680 would take you about eight thousand, eight hundred thirty-one 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 138871879680 cubic inches would be around 431.5 feet tall.
Recreational maths with 138871879680
- 138871879680 backwards is 086978178831
- The number of decimal digits it has is: 12
- The sum of 138871879680's digits is 66
- More coming soon!
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