21381742080
21,381,742,080 is an even composite number composed of six prime numbers multiplied together.
21381742080 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21381742080:
29 × 32 × 5 × 23 × 157 × 257
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 23 × 157 × 257)See below for interesting mathematical facts about the number 21381742080 from the Numbermatics database.
Names of 21381742080
- Cardinal: 21381742080 can be written as Twenty-one billion, three hundred eighty-one million, seven hundred forty-two thousand and eighty.
Scientific notation
- Scientific notation: 2.138174208 × 1010
Factors of 21381742080
Divisors of 21381742080
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 32 36 40 45 46 48 60 64 69 72 80 90 92 96 115 120 128 138 144 157 160 180 184 192 207 230 240 256 257 276 288 314 320 345 360 368 384 414 460 471 480 512 514 552 576 628 640 690 720 736 768 771 785 828 920 942 960 1028 1035 1104 1152 1256 1280 1285 1380 1413 1440 1472 1536 1542 1570 1656 1840 1884 1920 2056 2070 2208 2304 2313 2355 2512 2560 2570 2760 2826 2880 2944 3084 3140 3312 3611 3680 3768 3840 3855 4112 4140 4416 4608 4626 4710 5024 5140 5520 5652 5760 5888 5911 6168 6280 6624 7065 7222 7360 7536 7680 7710 8224 8280 8832 9252 9420 10048 10280 10833 11040 11304 11520 11565 11776 11822 12336 12560 13248 14130 14444 14720 15072 15420 16448 16560 17664 17733 18055 18504 18840 20096 20560 21666 22080 22608 23040 23130 23644 24672 25120 26496 28260 28888 29440 29555 30144 30840 32499 32896 33120 35328 35466 36110 37008 37680 40192 40349 41120 43332 44160 45216 46260 47288 49344 50240 52992 53199 54165 56520 57776 58880 59110 60288 61680 64998 65792 66240 70932 72220 74016 75360 80384 80698 82240 86664 88320 88665 90432 92520 94576 98688 100480 105984 106398 108330 113040 115552 118220 120576 121047 123360 129996 131584 132480 141864 144440 148032 150720 161396 162495 164480 173328 176640 177330 180864 185040 189152 197376 200960 201745 212796 216660 226080 231104 236440 241152 242094 246720 259992 264960 265995 283728 288880 296064 301440 322792 324990 328960 346656 354660 361728 363141 370080 378304 394752 401920 403490 425592 433320 452160 462208 472880 484188 493440 519984 529920 531990 567456 577760 592128 602880 605235 645584 649980 657920 693312 709320 723456 726282 740160 756608 806980 851184 866640 904320 924416 928027 945760 968376 986880 1039968 1063980 1134912 1155520 1184256 1205760 1210470 1291168 1299960 1386624 1418640 1452564 1480320 1513216 1613960 1702368 1733280 1808640 1815705 1848832 1856054 1891520 1936752 1973760 2079936 2127960 2269824 2311040 2420940 2582336 2599920 2773248 2784081 2837280 2905128 2960640 3026432 3227920 3404736 3466560 3617280 3631410 3712108 3783040 3873504 4159872 4255920 4539648 4622080 4640135 4841880 5164672 5199840 5546496 5568162 5674560 5810256 5921280 6455840 6809472 6933120 7262820 7424216 7566080 7747008 8319744 8352243 8511840 9079296 9244160 9280270 9683760 10329344 10399680 11136324 11349120 11620512 12911680 13618944 13866240 13920405 14525640 14848432 15132160 15494016 16639488 16704486 17023680 18560540 19367520 20658688 20799360 22272648 22698240 23241024 25823360 27237888 27732480 27840810 29051280 29696864 30988032 33408972 34047360 37121080 38735040 41598720 41761215 44545296 45396480 46482048 51646720 55681620 58102560 59393728 61976064 66817944 68094720 74242160 77470080 83197440 83522430 89090592 92964096 103293440 111363240 116205120 118787456 133635888 136189440 148484320 154940160 167044860 178181184 185928192 222726480 232410240 237574912 267271776 296968640 309880320 334089720 356362368 445452960 464820480 475149824 534543552 593937280 668179440 712724736 890905920 929640960 1069087104 1187874560 1336358880 1425449472 1781811840 2138174208 2375749120 2672717760 3563623680 4276348416 5345435520 7127247360 10690871040 21381742080
- Sum of all divisors σ(n): 78065342784
- Sum of proper divisors (its aliquot sum) s(n): 56683600704
- 21381742080 is an abundant number, because the sum of its proper divisors (56683600704) is greater than itself. Its abundance is 35301858624
Bases of 21381742080
- Binary: 100111110100111001101111110000000002
- Hexadecimal: 0x4FA737E00
- Base-36: 9TM4XS0
Squares and roots of 21381742080
- 21381742080 squared (213817420802) is 457178894375642726400
- 21381742080 cubed (213817420803) is 9775281203959555410112806912000
-
The
square root of 21381742080 is 146224.9707813273 -
The
cube root of 21381742080 is 2775.5413095467
Scales and comparisons
How big is 21381742080?- 21,381,742,080 seconds is equal to 679 years, 45 weeks, 2 days, 20 hours, 48 minutes.
-
To count from 1 to 21,381,742,080 would take you about one thousand, three hundred fifty-nine 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 21381742080 cubic inches would be around 231.3 feet tall.
Recreational maths with 21381742080
- 21381742080 backwards is 08024718312
- 21381742080 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21381742080's digits is 36
- More coming soon!
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