12489409920
12,489,409,920 is an even composite number composed of six prime numbers multiplied together.
What does the number 12489409920 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 256 divisors.
12489409920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 12489409920:
27 × 3 × 5 × 13 × 661 × 757
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 13 × 661 × 757)See below for interesting mathematical facts about the number 12489409920 from the Numbermatics database.
Names of 12489409920
- Cardinal: 12489409920 can be written as Twelve billion, four hundred eighty-nine million, four hundred nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.248940992 × 1010
Factors of 12489409920
Divisors of 12489409920
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 128 130 156 160 192 195 208 240 260 312 320 384 390 416 480 520 624 640 661 757 780 832 960 1040 1248 1322 1514 1560 1664 1920 1983 2080 2271 2496 2644 3028 3120 3305 3785 3966 4160 4542 4992 5288 6056 6240 6610 7570 7932 8320 8593 9084 9841 9915 10576 11355 12112 12480 13220 15140 15864 17186 18168 19682 19830 21152 22710 24224 24960 25779 26440 29523 30280 31728 34372 36336 39364 39660 42304 42965 45420 48448 49205 51558 52880 59046 60560 63456 68744 72672 78728 79320 84608 85930 90840 96896 98410 103116 105760 118092 121120 126912 128895 137488 145344 147615 157456 158640 171860 181680 196820 206232 211520 236184 242240 253824 257790 274976 290688 295230 314912 317280 343720 363360 393640 412464 423040 472368 484480 500377 515580 549952 590460 629824 634560 687440 726720 787280 824928 944736 1000754 1031160 1099904 1180920 1259648 1269120 1374880 1453440 1501131 1574560 1649856 1889472 2001508 2062320 2361840 2501885 2749760 3002262 3149120 3299712 3778944 4003016 4124640 4723680 5003770 5499520 6004524 6298240 6504901 7505655 8006032 8249280 9447360 10007540 12009048 13009802 15011310 16012064 16498560 18894720 19514703 20015080 24018096 26019604 30022620 32024128 32524505 39029406 40030160 48036192 52039208 60045240 64048256 65049010 78058812 80060320 96072384 97573515 104078416 120090480 130098020 156117624 160120640 192144768 195147030 208156832 240180960 260196040 312235248 320241280 390294060 416313664 480361920 520392080 624470496 780588120 832627328 960723840 1040784160 1248940992 1561176240 2081568320 2497881984 3122352480 4163136640 6244704960 12489409920
- Sum of all divisors σ(n): 42993881280
- Sum of proper divisors (its aliquot sum) s(n): 30504471360
- 12489409920 is an abundant number, because the sum of its proper divisors (30504471360) is greater than itself. Its abundance is 18015061440
Bases of 12489409920
- Binary: 10111010000110110101000101100000002
- Hexadecimal: 0x2E86D4580
- Base-36: 5QJVEDC
Squares and roots of 12489409920
- 12489409920 squared (124894099202) is 155985360149794406400
- 12489409920 cubed (124894099203) is 1948165104429614945252671488000
-
The
square root of 12489409920 is 111756.0285622211 -
The
cube root of 12489409920 is 2320.1388343393
Scales and comparisons
How big is 12489409920?- 12,489,409,920 seconds is equal to 397 years, 6 weeks, 3 days, 8 hours, 32 minutes.
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To count from 1 to 12,489,409,920 would take you about seven hundred ninety-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 12489409920 cubic inches would be around 193.3 feet tall.
Recreational maths with 12489409920
- 12489409920 backwards is 02990498421
- 12489409920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12489409920's digits is 48
- More coming soon!
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