21005491612384000
21,005,491,612,384,000 is an even composite number composed of five prime numbers multiplied together.
21005491612384000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21005491612384000:
28 × 53 × 439 × 76913 × 19441
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 439 × 76913 × 19441)See below for interesting mathematical facts about the number 21005491612384000 from the Numbermatics database.
Names of 21005491612384000
- Cardinal: 21005491612384000 can be written as Twenty-one quadrillion, five trillion, four hundred ninety-one billion, six hundred twelve million, three hundred eighty-four thousand.
Scientific notation
- Scientific notation: 2.1005491612384 × 1016
Factors of 21005491612384000
Divisors of 21005491612384000
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 439 500 640 800 878 1000 1280 1600 1756 2000 2195 3200 3512 4000 4390 6400 7024 8000 8780 10975 14048 16000 17560 19441 21950 28096 32000 35120 38882 43900 54875 56192 70240 76913 77764 87800 97205 109750 112384 140480 153826 155528 175600 194410 219500 280960 307652 311056 351200 384565 388820 439000 486025 561920 615304 622112 702400 769130 777640 878000 972050 1230608 1244224 1404800 1538260 1555280 1756000 1922825 1944100 2430125 2461216 2488448 2809600 3076520 3110560 3512000 3845650 3888200 4860250 4922432 4976896 6153040 6221120 7024000 7691300 7776400 8534599 9614125 9720500 9844864 12306080 12442240 14048000 15382600 15552800 17069198 19228250 19441000 19689728 24612160 24884480 30765200 31105600 33764807 34138396 38456500 38882000 42672995 49224320 61530400 62211200 67529614 68276792 76913000 77764000 85345990 98448640 123060800 124422400 135059228 136553584 153826000 155528000 168824035 170691980 213364975 246121600 270118456 273107168 307652000 311056000 337648070 341383960 426729950 492243200 540236912 546214336 615304000 622112000 675296140 682767920 844120175 853459900 1066824875 1080473824 1092428672 1230608000 1350592280 1365535840 1495265633 1688240350 1706919800 2133649750 2160947648 2184857344 2461216000 2701184560 2731071680 2990531266 3376480700 3413839600 4220600875 4267299500 4321895296 5402369120 5462143360 5981062532 6752961400 6827679200 7476328165 8441201750 8534599000 8643790592 10804738240 10924286720 11962125064 13505922800 13655358400 14952656330 16882403500 17069198000 21609476480 23924250128 27011845600 27310716800 29905312660 33764807000 34138396000 37381640825 43218952960 47848500256 54023691200 54621433600 59810625320 67529614000 68276792000 74763281650 95697000512 108047382400 119621250640 135059228000 136553584000 149526563300 186908204125 191394001024 216094764800 239242501280 270118456000 273107168000 299053126600 373816408250 382788002048 478485002560 540236912000 598106253200 656421612887 747632816500 956970005120 1080473824000 1196212506400 1312843225774 1495265633000 1913940010240 2392425012800 2625686451548 2990531266000 3282108064435 4784850025600 5251372903096 5981062532000 6564216128870 9569700051200 10502745806192 11962125064000 13128432257740 16410540322175 21005491612384 23924250128000 26256864515480 32821080644350 42010983224768 47848500256000 52513729030960 65642161288700 82052701610875 84021966449536 105027458061920 131284322577400 164105403221750 168043932899072 210054916123840 262568645154800 328210806443500 420109832247680 525137290309600 656421612887000 840219664495360 1050274580619200 1312843225774000 2100549161238400 2625686451548000 4201098322476800 5251372903096000 10502745806192000 21005491612384000
- Sum of all divisors σ(n): 52449881543579520
- Sum of proper divisors (its aliquot sum) s(n): 31444389931195520
- 21005491612384000 is an abundant number, because the sum of its proper divisors (31444389931195520) is greater than itself. Its abundance is 10438898318811520
Bases of 21005491612384000
- Binary: 10010101010000001100010001000011110001101111011000000002
- Hexadecimal: 0x4AA06221E37B00
- Base-36: 5QTTPMOAI9S
Squares and roots of 21005491612384000
- 21005491612384000 squared (210054916123840002) is 441230677877934576102163456000000
- 21005491612384000 cubed (210054916123840003) is 9268267303291461278503897007284161839104000000000
-
The
square root of 21005491612384000 is 144932714.0861717251 -
The
cube root of 21005491612384000 is 275916.4646566537
Scales and comparisons
How big is 21005491612384000?- 21,005,491,612,384,000 seconds is equal to 667,909,659 years, 1 week, 1 day, 1 hour, 46 minutes, 40 seconds.
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To count from 1 to 21,005,491,612,384,000 would take you about two billion, three million, seven hundred twenty-eight thousand, nine hundred seventy-seven 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 21005491612384000 cubic inches would be around 22993 feet tall.
Recreational maths with 21005491612384000
- 21005491612384000 backwards is 00048321619450012
- The number of decimal digits it has is: 17
- The sum of 21005491612384000's digits is 46
- More coming soon!
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