21289440000
21,289,440,000 is an even composite number composed of five prime numbers multiplied together.
21289440000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 21289440000:
28 × 3 × 54 × 17 × 2609
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 5 × 17 × 2609)See below for interesting mathematical facts about the number 21289440000 from the Numbermatics database.
Names of 21289440000
- Cardinal: 21289440000 can be written as Twenty-one billion, two hundred eighty-nine million, four hundred forty thousand.
Scientific notation
- Scientific notation: 2.128944 × 1010
Factors of 21289440000
Divisors of 21289440000
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 17 20 24 25 30 32 34 40 48 50 51 60 64 68 75 80 85 96 100 102 120 125 128 136 150 160 170 192 200 204 240 250 255 256 272 300 320 340 375 384 400 408 425 480 500 510 544 600 625 640 680 750 768 800 816 850 960 1000 1020 1088 1200 1250 1275 1280 1360 1500 1600 1632 1700 1875 1920 2000 2040 2125 2176 2400 2500 2550 2609 2720 3000 3200 3264 3400 3750 3840 4000 4080 4250 4352 4800 5000 5100 5218 5440 6000 6375 6400 6528 6800 7500 7827 8000 8160 8500 9600 10000 10200 10436 10625 10880 12000 12750 13045 13056 13600 15000 15654 16000 16320 17000 19200 20000 20400 20872 21250 21760 24000 25500 26090 27200 30000 31308 31875 32000 32640 34000 39135 40000 40800 41744 42500 44353 48000 51000 52180 54400 60000 62616 63750 65225 65280 68000 78270 80000 81600 83488 85000 88706 96000 102000 104360 108800 120000 125232 127500 130450 133059 136000 156540 160000 163200 166976 170000 177412 195675 204000 208720 221765 240000 250464 255000 260900 266118 272000 313080 326125 326400 333952 340000 354824 391350 408000 417440 443530 480000 500928 510000 521800 532236 544000 626160 652250 665295 667904 680000 709648 782700 816000 834880 887060 978375 1001856 1020000 1043600 1064472 1108825 1252320 1304500 1330590 1360000 1419296 1565400 1630625 1632000 1669760 1774120 1956750 2003712 2040000 2087200 2128944 2217650 2504640 2609000 2661180 2720000 2838592 3130800 3261250 3326475 3339520 3548240 3913500 4080000 4174400 4257888 4435300 4891875 5009280 5218000 5322360 5544125 5677184 6261600 6522500 6652950 7096480 7827000 8160000 8348800 8515776 8870600 9783750 10018560 10436000 10644720 11088250 11354368 12523200 13045000 13305900 14192960 15654000 16632375 16697600 17031552 17741200 19567500 20872000 21289440 22176500 25046400 26090000 26611800 27720625 28385920 31308000 33264750 34063104 35482400 39135000 41744000 42578880 44353000 50092800 52180000 53223600 55441250 56771840 62616000 66529500 70964800 78270000 83161875 83488000 85157760 88706000 104360000 106447200 110882500 125232000 133059000 141929600 156540000 166323750 170315520 177412000 208720000 212894400 221765000 250464000 266118000 283859200 313080000 332647500 354824000 417440000 425788800 443530000 532236000 626160000 665295000 709648000 851577600 887060000 1064472000 1252320000 1330590000 1419296000 1774120000 2128944000 2661180000 3548240000 4257888000 5322360000 7096480000 10644720000 21289440000
- Sum of all divisors σ(n): 74997180720
- Sum of proper divisors (its aliquot sum) s(n): 53707740720
- 21289440000 is an abundant number, because the sum of its proper divisors (53707740720) is greater than itself. Its abundance is 32418300720
Bases of 21289440000
- Binary: 100111101001111001100010011000000002
- Hexadecimal: 0x4F4F31300
- Base-36: 9S36L1C
Squares and roots of 21289440000
- 21289440000 squared (212894400002) is 453240255513600000000
- 21289440000 cubed (212894400003) is 9649231225341456384000000000000
-
The
square root of 21289440000 is 145909.0127442443 -
The
cube root of 21289440000 is 2771.5416702753
Scales and comparisons
How big is 21289440000?- 21,289,440,000 seconds is equal to 676 years, 48 weeks, 5 days, 13 hours, 20 minutes.
-
To count from 1 to 21,289,440,000 would take you about one thousand, three hundred fifty-three 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 21289440000 cubic inches would be around 231 feet tall.
Recreational maths with 21289440000
- 21289440000 backwards is 00004498212
- 21289440000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21289440000's digits is 30
- More coming soon!
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