21311242240
21,311,242,240 is an even composite number composed of five prime numbers multiplied together.
21311242240 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21311242240:
214 × 5 × 37 × 79 × 89
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 37 × 79 × 89)See below for interesting mathematical facts about the number 21311242240 from the Numbermatics database.
Names of 21311242240
- Cardinal: 21311242240 can be written as Twenty-one billion, three hundred eleven million, two hundred forty-two thousand, two hundred forty.
Scientific notation
- Scientific notation: 2.131124224 × 1010
Factors of 21311242240
Divisors of 21311242240
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 8 10 16 20 32 37 40 64 74 79 80 89 128 148 158 160 178 185 256 296 316 320 356 370 395 445 512 592 632 640 712 740 790 890 1024 1184 1264 1280 1424 1480 1580 1780 2048 2368 2528 2560 2848 2923 2960 3160 3293 3560 4096 4736 5056 5120 5696 5846 5920 6320 6586 7031 7120 8192 9472 10112 10240 11392 11692 11840 12640 13172 14062 14240 14615 16384 16465 18944 20224 20480 22784 23384 23680 25280 26344 28124 28480 29230 32930 35155 37888 40448 40960 45568 46768 47360 50560 52688 56248 56960 58460 65860 70310 75776 80896 81920 91136 93536 94720 101120 105376 112496 113920 116920 131720 140620 151552 161792 182272 187072 189440 202240 210752 224992 227840 233840 260147 263440 281240 303104 323584 364544 374144 378880 404480 421504 449984 455680 467680 520294 526880 562480 606208 647168 729088 748288 757760 808960 843008 899968 911360 935360 1040588 1053760 1124960 1294336 1300735 1458176 1496576 1515520 1617920 1686016 1799936 1822720 1870720 2081176 2107520 2249920 2601470 2993152 3031040 3235840 3372032 3599872 3645440 3741440 4162352 4215040 4499840 5202940 5986304 6471680 6744064 7199744 7290880 7482880 8324704 8430080 8999680 10405880 11972608 13488128 14399488 14965760 16649408 16860160 17999360 20811760 23945216 26976256 28798976 29931520 33298816 33720320 35998720 41623520 47890432 53952512 57597952 59863040 66597632 67440640 71997440 83247040 115195904 119726080 133195264 134881280 143994880 166494080 239452160 266390528 269762560 287989760 332988160 532781056 575979520 665976320 1065562112 1331952640 2131124224 2663905280 4262248448 5327810560 10655621120 21311242240
- Sum of all divisors σ(n): 53790307200
- Sum of proper divisors (its aliquot sum) s(n): 32479064960
- 21311242240 is an abundant number, because the sum of its proper divisors (32479064960) is greater than itself. Its abundance is 11167822720
Bases of 21311242240
- Binary: 100111101100011111111000000000000002
- Hexadecimal: 0x4F63FC000
- Base-36: 9SG5VR4
Squares and roots of 21311242240
- 21311242240 squared (213112422402) is 454169045811960217600
- 21311242240 cubed (213112422403) is 9678906553208341686516711424000
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The
square root of 21311242240 is 145983.7053920745 -
The
cube root of 21311242240 is 2772.4874474821
Scales and comparisons
How big is 21311242240?- 21,311,242,240 seconds is equal to 677 years, 32 weeks, 5 days, 21 hours, 30 minutes, 40 seconds.
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To count from 1 to 21,311,242,240 would take you about one thousand, three hundred fifty-five 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 21311242240 cubic inches would be around 231 feet tall.
Recreational maths with 21311242240
- 21311242240 backwards is 04224211312
- The number of decimal digits it has is: 11
- The sum of 21311242240's digits is 22
- More coming soon!
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The information we have on file for 21311242240 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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