13123921920
13,123,921,920 is an even composite number composed of five prime numbers multiplied together.
13123921920 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 13123921920:
211 × 3 × 5 × 31 × 13781
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 31 × 13781)See below for interesting mathematical facts about the number 13123921920 from the Numbermatics database.
Names of 13123921920
- Cardinal: 13123921920 can be written as Thirteen billion, one hundred twenty-three million, nine hundred twenty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.312392192 × 1010
Factors of 13123921920
Divisors of 13123921920
- 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 31 32 40 48 60 62 64 80 93 96 120 124 128 155 160 186 192 240 248 256 310 320 372 384 465 480 496 512 620 640 744 768 930 960 992 1024 1240 1280 1488 1536 1860 1920 1984 2048 2480 2560 2976 3072 3720 3840 3968 4960 5120 5952 6144 7440 7680 7936 9920 10240 11904 13781 14880 15360 15872 19840 23808 27562 29760 30720 31744 39680 41343 47616 55124 59520 63488 68905 79360 82686 95232 110248 119040 137810 158720 165372 190464 206715 220496 238080 275620 317440 330744 413430 427211 440992 476160 551240 661488 826860 854422 881984 952320 1102480 1281633 1322976 1653720 1708844 1763968 2136055 2204960 2563266 2645952 3307440 3417688 3527936 4272110 4409920 5126532 5291904 6408165 6614880 6835376 7055872 8544220 8819840 10253064 10583808 12816330 13229760 13670752 14111744 17088440 17639680 20506128 21167616 25632660 26459520 27341504 28223488 34176880 35279360 41012256 42335232 51265320 52919040 54683008 68353760 70558720 82024512 84670464 102530640 105838080 109366016 136707520 141117440 164049024 205061280 211676160 218732032 273415040 328098048 410122560 423352320 437464064 546830080 656196096 820245120 874928128 1093660160 1312392192 1640490240 2187320320 2624784384 3280980480 4374640640 6561960960 13123921920
- Sum of all divisors σ(n): 43343838720
- Sum of proper divisors (its aliquot sum) s(n): 30219916800
- 13123921920 is an abundant number, because the sum of its proper divisors (30219916800) is greater than itself. Its abundance is 17095994880
Bases of 13123921920
- Binary: 11000011100011111100101000000000002
- Hexadecimal: 0x30E3F2800
- Base-36: 611N6YO
Squares and roots of 13123921920
- 13123921920 squared (131239219202) is 172237326562256486400
- 13123921920 cubed (131239219203) is 2260429225512596146527141888000
-
The
square root of 13123921920 is 114559.6871504109 -
The
cube root of 13123921920 is 2358.7824036087
Scales and comparisons
How big is 13123921920?- 13,123,921,920 seconds is equal to 417 years, 15 weeks, 4 days, 5 hours, 52 minutes.
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To count from 1 to 13,123,921,920 would take you about eight hundred thirty-four 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 13123921920 cubic inches would be around 196.6 feet tall.
Recreational maths with 13123921920
- 13123921920 backwards is 02912932131
- The number of decimal digits it has is: 11
- The sum of 13123921920's digits is 33
- More coming soon!
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