21408020480
21,408,020,480 is an even composite number composed of six prime numbers multiplied together.
21408020480 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21408020480:
211 × 5 × 7 × 11 × 19 × 1429
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 11 × 19 × 1429)See below for interesting mathematical facts about the number 21408020480 from the Numbermatics database.
Names of 21408020480
- Cardinal: 21408020480 can be written as Twenty-one billion, four hundred eight million, twenty thousand, four hundred eighty.
Scientific notation
- Scientific notation: 2.140802048 × 1010
Factors of 21408020480
Divisors of 21408020480
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 19 20 22 28 32 35 38 40 44 55 56 64 70 76 77 80 88 95 110 112 128 133 140 152 154 160 176 190 209 220 224 256 266 280 304 308 320 352 380 385 418 440 448 512 532 560 608 616 640 665 704 760 770 836 880 896 1024 1045 1064 1120 1216 1232 1280 1330 1408 1429 1463 1520 1540 1672 1760 1792 2048 2090 2128 2240 2432 2464 2560 2660 2816 2858 2926 3040 3080 3344 3520 3584 4180 4256 4480 4864 4928 5120 5320 5632 5716 5852 6080 6160 6688 7040 7145 7168 7315 8360 8512 8960 9728 9856 10003 10240 10640 11264 11432 11704 12160 12320 13376 14080 14290 14336 14630 15719 16720 17024 17920 19456 19712 20006 21280 22528 22864 23408 24320 24640 26752 27151 28160 28580 29260 31438 33440 34048 35840 38912 39424 40012 42560 45728 46816 48640 49280 50015 53504 54302 56320 57160 58520 62876 66880 68096 71680 78595 78848 80024 85120 91456 93632 97280 98560 100030 107008 108604 110033 112640 114320 117040 125752 133760 135755 136192 157190 157696 160048 170240 182912 187264 190057 194560 197120 200060 214016 217208 220066 228640 234080 251504 267520 271510 272384 298661 314380 320096 340480 365824 374528 380114 394240 400120 428032 434416 440132 457280 468160 503008 535040 543020 550165 597322 628760 640192 680960 731648 749056 760228 788480 800240 868832 880264 914560 936320 950285 1006016 1070080 1086040 1100330 1194644 1257520 1280384 1361920 1463296 1493305 1498112 1520456 1600480 1737664 1760528 1829120 1872640 1900570 2012032 2090627 2140160 2172080 2200660 2389288 2515040 2560768 2926592 2986610 2996224 3040912 3200960 3475328 3521056 3658240 3745280 3801140 4024064 4181254 4344160 4401320 4778576 5030080 5121536 5973220 6081824 6401920 6950656 7042112 7316480 7490560 7602280 8048128 8362508 8688320 8802640 9557152 10060160 10243072 10453135 11946440 12163648 12803840 13901312 14084224 14632960 14981120 15204560 16096256 16725016 17376640 17605280 19114304 20120320 20486144 20906270 23892880 24327296 25607680 27802624 28168448 30409120 32192512 33450032 34753280 35210560 38228608 40240640 41812540 47785760 48654592 51215360 55605248 56336896 60818240 66900064 69506560 70421120 76457216 80481280 83625080 95571520 97309184 102430720 112673792 121636480 133800128 139013120 140842240 152914432 160962560 167250160 191143040 194618368 225347584 243272960 267600256 278026240 281684480 305828864 334500320 382286080 389236736 486545920 535200512 563368960 611657728 669000640 764572160 973091840 1070401024 1126737920 1338001280 1529144320 1946183680 2140802048 2676002560 3058288640 4281604096 5352005120 10704010240 21408020480
- Sum of all divisors σ(n): 67459392000
- Sum of proper divisors (its aliquot sum) s(n): 46051371520
- 21408020480 is an abundant number, because the sum of its proper divisors (46051371520) is greater than itself. Its abundance is 24643351040
Bases of 21408020480
- Binary: 100111111000000010001111000000000002
- Hexadecimal: 0x4FC047800
- Base-36: 9U1S6BK
Squares and roots of 21408020480
- 21408020480 squared (214080204802) is 458303340872099430400
- 21408020480 cubed (214080204803) is 9811367307442325666599534592000
-
The
square root of 21408020480 is 146314.7992514769 -
The
cube root of 21408020480 is 2776.6779011429
Scales and comparisons
How big is 21408020480?- 21,408,020,480 seconds is equal to 680 years, 36 weeks, 6 days, 21 minutes, 20 seconds.
-
To count from 1 to 21,408,020,480 would take you about one thousand, three hundred sixty-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 21408020480 cubic inches would be around 231.4 feet tall.
Recreational maths with 21408020480
- 21408020480 backwards is 08402080412
- The number of decimal digits it has is: 11
- The sum of 21408020480's digits is 29
- More coming soon!
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