21168128000
21,168,128,000 is an even composite number composed of four prime numbers multiplied together.
21168128000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21168128000:
219 × 53 × 17 × 19
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 17 × 19)See below for interesting mathematical facts about the number 21168128000 from the Numbermatics database.
Names of 21168128000
- Cardinal: 21168128000 can be written as Twenty-one billion, one hundred sixty-eight million, one hundred twenty-eight thousand.
Scientific notation
- Scientific notation: 2.1168128 × 1010
Factors of 21168128000
Divisors of 21168128000
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 8 10 16 17 19 20 25 32 34 38 40 50 64 68 76 80 85 95 100 125 128 136 152 160 170 190 200 250 256 272 304 320 323 340 380 400 425 475 500 512 544 608 640 646 680 760 800 850 950 1000 1024 1088 1216 1280 1292 1360 1520 1600 1615 1700 1900 2000 2048 2125 2176 2375 2432 2560 2584 2720 3040 3200 3230 3400 3800 4000 4096 4250 4352 4750 4864 5120 5168 5440 6080 6400 6460 6800 7600 8000 8075 8192 8500 8704 9500 9728 10240 10336 10880 12160 12800 12920 13600 15200 16000 16150 16384 17000 17408 19000 19456 20480 20672 21760 24320 25600 25840 27200 30400 32000 32300 32768 34000 34816 38000 38912 40375 40960 41344 43520 48640 51200 51680 54400 60800 64000 64600 65536 68000 69632 76000 77824 80750 81920 82688 87040 97280 102400 103360 108800 121600 128000 129200 131072 136000 139264 152000 155648 161500 163840 165376 174080 194560 204800 206720 217600 243200 256000 258400 262144 272000 278528 304000 311296 323000 327680 330752 348160 389120 409600 413440 435200 486400 512000 516800 524288 544000 557056 608000 622592 646000 655360 661504 696320 778240 819200 826880 870400 972800 1024000 1033600 1088000 1114112 1216000 1245184 1292000 1310720 1323008 1392640 1556480 1638400 1653760 1740800 1945600 2048000 2067200 2176000 2228224 2432000 2490368 2584000 2621440 2646016 2785280 3112960 3276800 3307520 3481600 3891200 4096000 4134400 4352000 4456448 4864000 4980736 5168000 5292032 5570560 6225920 6553600 6615040 6963200 7782400 8192000 8268800 8704000 8912896 9728000 9961472 10336000 10584064 11141120 12451840 13107200 13230080 13926400 15564800 16384000 16537600 17408000 19456000 20672000 21168128 22282240 24903680 26460160 27852800 31129600 32768000 33075200 34816000 38912000 41344000 42336256 44564480 49807360 52920320 55705600 62259200 65536000 66150400 69632000 77824000 82688000 84672512 105840640 111411200 124518400 132300800 139264000 155648000 165376000 169345024 211681280 222822400 249036800 264601600 278528000 311296000 330752000 423362560 529203200 557056000 622592000 661504000 846725120 1058406400 1114112000 1245184000 1323008000 2116812800 2646016000 4233625600 5292032000 10584064000 21168128000
- Sum of all divisors σ(n): 58887972000
- Sum of proper divisors (its aliquot sum) s(n): 37719844000
- 21168128000 is an abundant number, because the sum of its proper divisors (37719844000) is greater than itself. Its abundance is 16551716000
Bases of 21168128000
- Binary: 100111011011011100000000000000000002
- Hexadecimal: 0x4EDB80000
- Base-36: 9Q2YG3K
Squares and roots of 21168128000
- 21168128000 squared (211681280002) is 448089643024384000000
- 21168128000 cubed (211681280003) is 9485218919014467633152000000000
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The
square root of 21168128000 is 145492.7077210401 -
The
cube root of 21168128000 is 2766.2673509593
Scales and comparisons
How big is 21168128000?- 21,168,128,000 seconds is equal to 673 years, 4 weeks, 1 day, 11 hours, 33 minutes, 20 seconds.
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To count from 1 to 21,168,128,000 would take you about one thousand, three hundred forty-six 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 21168128000 cubic inches would be around 230.5 feet tall.
Recreational maths with 21168128000
- 21168128000 backwards is 00082186112
- The number of decimal digits it has is: 11
- The sum of 21168128000's digits is 29
- More coming soon!
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