138493431420
138,493,431,420 is an even composite number composed of seven prime numbers multiplied together.
138493431420 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 138493431420:
22 × 3 × 5 × 23 × 127 × 421 × 1877
(2 × 2 × 3 × 5 × 23 × 127 × 421 × 1877)See below for interesting mathematical facts about the number 138493431420 from the Numbermatics database.
Names of 138493431420
- Cardinal: 138493431420 can be written as One hundred thirty-eight billion, four hundred ninety-three million, four hundred thirty-one thousand, four hundred twenty.
Scientific notation
- Scientific notation: 1.3849343142 × 1011
Factors of 138493431420
Divisors of 138493431420
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 127 138 230 254 276 345 381 421 460 508 635 690 762 842 1263 1270 1380 1524 1684 1877 1905 2105 2526 2540 2921 3754 3810 4210 5052 5631 5842 6315 7508 7620 8420 8763 9385 9683 11262 11684 12630 14605 17526 18770 19366 22524 25260 28155 29049 29210 35052 37540 38732 43171 43815 48415 53467 56310 58098 58420 86342 87630 96830 106934 112620 116196 129513 145245 160401 172684 175260 193660 213868 215855 238379 259026 267335 290490 320802 431710 476758 518052 534670 580980 641604 647565 715137 790217 802005 863420 953516 1069340 1191895 1229741 1295130 1430274 1580434 1604010 2370651 2383790 2459482 2590260 2860548 3160868 3208020 3575685 3689223 3951085 4741302 4767580 4918964 5482717 6148705 7151370 7378446 7902170 9482604 10965434 11853255 12297410 14302740 14756892 15804340 16448151 18174991 18446115 21930868 23706510 24594820 27413585 32896302 36349982 36892230 47413020 54524973 54827170 65792604 72699964 73784460 82240755 90874955 100357559 109049946 109654340 164481510 181749910 200715118 218099892 272624865 301072677 328963020 363499820 401430236 501787795 545249730 602145354 1003575590 1090499460 1204290708 1505363385 2007151180 2308223857 3010726770 4616447714 6021453540 6924671571 9232895428 11541119285 13849343142 23082238570 27698686284 34623357855 46164477140 69246715710 138493431420
- Sum of all divisors σ(n): 409014337536
- Sum of proper divisors (its aliquot sum) s(n): 270520906116
- 138493431420 is an abundant number, because the sum of its proper divisors (270520906116) is greater than itself. Its abundance is 132027474696
Bases of 138493431420
- Binary: 100000001111101101101000001110011111002
- Hexadecimal: 0x203EDA0E7C
- Base-36: 1RMFEVLO
Squares and roots of 138493431420
- 138493431420 squared (1384934314202) is 19180430546486243216400
- 138493431420 cubed (1384934314203) is 2656363642495865646863933619288000
-
The
square root of 138493431420 is 372147.0561753781 -
The
cube root of 138493431420 is 5173.8010577313
Scales and comparisons
How big is 138493431420?- 138,493,431,420 seconds is equal to 4,403 years, 34 weeks, 3 days, 5 hours, 37 minutes.
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To count from 1 to 138,493,431,420 would take you about eight thousand, eight hundred 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 138493431420 cubic inches would be around 431.2 feet tall.
Recreational maths with 138493431420
- 138493431420 backwards is 024134394831
- The number of decimal digits it has is: 12
- The sum of 138493431420's digits is 42
- More coming soon!
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