13381945920
13,381,945,920 is an even composite number composed of five prime numbers multiplied together.
13381945920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 13381945920:
26 × 32 × 5 × 7 × 663787
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 663787)See below for interesting mathematical facts about the number 13381945920 from the Numbermatics database.
Names of 13381945920
- Cardinal: 13381945920 can be written as Thirteen billion, three hundred eighty-one million, nine hundred forty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.338194592 × 1010
Factors of 13381945920
Divisors of 13381945920
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 140 144 160 168 180 192 210 224 240 252 280 288 315 320 336 360 420 448 480 504 560 576 630 672 720 840 960 1008 1120 1260 1344 1440 1680 2016 2240 2520 2880 3360 4032 5040 6720 10080 20160 663787 1327574 1991361 2655148 3318935 3982722 4646509 5310296 5974083 6637870 7965444 9293018 9956805 10620592 11948166 13275740 13939527 15930888 18586036 19913610 21241184 23232545 23896332 26551480 27879054 29870415 31861776 37172072 39827220 41818581 42482368 46465090 47792664 53102960 55758108 59740830 63723552 69697635 74344144 79654440 83637162 92930180 95585328 106205920 111516216 119481660 127447104 139395270 148688288 159308880 167274324 185860360 191170656 209092905 212411840 223032432 238963320 278790540 297376576 318617760 334548648 371720720 382341312 418185810 446064864 477926640 557581080 637235520 669097296 743441440 836371620 892129728 955853280 1115162160 1338194592 1486882880 1672743240 1911706560 2230324320 2676389184 3345486480 4460648640 6690972960 13381945920
- Sum of all divisors σ(n): 52603871424
- Sum of proper divisors (its aliquot sum) s(n): 39221925504
- 13381945920 is an abundant number, because the sum of its proper divisors (39221925504) is greater than itself. Its abundance is 25839979584
Bases of 13381945920
- Binary: 11000111011010000001001010010000002
- Hexadecimal: 0x31DA04A40
- Base-36: 65B9JK0
Squares and roots of 13381945920
- 13381945920 squared (133819459202) is 179076476605804646400
- 13381945920 cubed (133819459203) is 2396391725483022936209522688000
-
The
square root of 13381945920 is 115680.3609952873 -
The
cube root of 13381945920 is 2374.1405374741
Scales and comparisons
How big is 13381945920?- 13,381,945,920 seconds is equal to 425 years, 26 weeks, 1 day, 15 hours, 12 minutes.
-
To count from 1 to 13,381,945,920 would take you about eight hundred fifty-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 13381945920 cubic inches would be around 197.8 feet tall.
Recreational maths with 13381945920
- 13381945920 backwards is 02954918331
- 13381945920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 13381945920's digits is 45
- More coming soon!
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