21388860000
21,388,860,000 is an even composite number composed of four prime numbers multiplied together.
21388860000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of five hundred forty divisors.
Prime factorization of 21388860000:
25 × 38 × 54 × 163
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 5 × 5 × 163)See below for interesting mathematical facts about the number 21388860000 from the Numbermatics database.
Names of 21388860000
- Cardinal: 21388860000 can be written as Twenty-one billion, three hundred eighty-eight million, eight hundred sixty thousand.
Scientific notation
- Scientific notation: 2.138886 × 1010
Factors of 21388860000
Divisors of 21388860000
- Number of divisors d(n): 540
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 72 75 80 81 90 96 100 108 120 125 135 144 150 160 162 163 180 200 216 225 240 243 250 270 288 300 324 326 360 375 400 405 432 450 480 486 489 500 540 600 625 648 652 675 720 729 750 800 810 815 864 900 972 978 1000 1080 1125 1200 1215 1250 1296 1304 1350 1440 1458 1467 1500 1620 1630 1800 1875 1944 1956 2000 2025 2160 2187 2250 2400 2430 2445 2500 2592 2608 2700 2916 2934 3000 3240 3260 3375 3600 3645 3750 3888 3912 4000 4050 4075 4320 4374 4401 4500 4860 4890 5000 5216 5400 5625 5832 5868 6000 6075 6480 6520 6561 6750 7200 7290 7335 7500 7776 7824 8100 8150 8748 8802 9000 9720 9780 10000 10125 10800 10935 11250 11664 11736 12000 12150 12225 12960 13040 13122 13203 13500 14580 14670 15000 15648 16200 16300 16875 17496 17604 18000 18225 19440 19560 20000 20250 20375 21600 21870 22005 22500 23328 23472 24300 24450 26080 26244 26406 27000 29160 29340 30000 30375 32400 32600 32805 33750 34992 35208 36000 36450 36675 38880 39120 39609 40500 40750 43740 44010 45000 46944 48600 48900 50625 52488 52812 54000 54675 58320 58680 60000 60750 61125 64800 65200 65610 66015 67500 69984 70416 72900 73350 78240 79218 81000 81500 87480 88020 90000 91125 97200 97800 101250 101875 104976 105624 108000 109350 110025 116640 117360 118827 121500 122250 130400 131220 132030 135000 140832 145800 146700 151875 158436 162000 163000 164025 174960 176040 180000 182250 183375 194400 195600 198045 202500 203750 209952 211248 218700 220050 234720 237654 243000 244500 262440 264060 270000 273375 291600 293400 303750 305625 316872 324000 326000 328050 330075 349920 352080 356481 364500 366750 391200 396090 405000 407500 422496 437400 440100 455625 475308 486000 489000 524880 528120 540000 546750 550125 583200 586800 594135 607500 611250 633744 652000 656100 660150 704160 712962 729000 733500 792180 810000 815000 820125 874800 880200 911250 916875 950616 972000 978000 990225 1049760 1056240 1069443 1093500 1100250 1173600 1188270 1215000 1222500 1267488 1312200 1320300 1366875 1425924 1458000 1467000 1584360 1620000 1630000 1640250 1650375 1749600 1760400 1782405 1822500 1833750 1901232 1956000 1980450 2112480 2138886 2187000 2200500 2376540 2430000 2445000 2624400 2640600 2733750 2750625 2851848 2916000 2934000 2970675 3168720 3260000 3280500 3300750 3520800 3564810 3645000 3667500 3802464 3960900 4100625 4277772 4374000 4401000 4753080 4860000 4890000 4951125 5248800 5281200 5347215 5467500 5501250 5703696 5868000 5941350 6337440 6561000 6601500 7129620 7290000 7335000 7921800 8201250 8251875 8555544 8748000 8802000 8912025 9506160 9780000 9902250 10562400 10694430 10935000 11002500 11407392 11882700 13122000 13203000 14259240 14580000 14670000 14853375 15843600 16402500 16503750 17111088 17604000 17824050 19012320 19804500 21388860 21870000 22005000 23765400 24755625 26244000 26406000 26736075 28518480 29340000 29706750 31687200 32805000 33007500 34222176 35648100 39609000 42777720 43740000 44010000 44560125 47530800 49511250 52812000 53472150 57036960 59413500 65610000 66015000 71296200 74266875 79218000 85555440 88020000 89120250 95061600 99022500 106944300 118827000 131220000 132030000 133680375 142592400 148533750 158436000 171110880 178240500 198045000 213888600 222800625 237654000 264060000 267360750 285184800 297067500 356481000 396090000 427777200 445601250 475308000 534721500 594135000 668401875 712962000 792180000 855554400 891202500 1069443000 1188270000 1336803750 1425924000 1782405000 2138886000 2376540000 2673607500 3564810000 4277772000 5347215000 7129620000 10694430000 21388860000
- Sum of all divisors σ(n): 79409902572
- Sum of proper divisors (its aliquot sum) s(n): 58021042572
- 21388860000 is an abundant number, because the sum of its proper divisors (58021042572) is greater than itself. Its abundance is 36632182572
Bases of 21388860000
- Binary: 100111110101110000000011010011000002
- Hexadecimal: 0x4FAE01A60
- Base-36: 9TQDI00
Squares and roots of 21388860000
- 21388860000 squared (213888600002) is 457483332099600000000
- 21388860000 cubed (213888600003) is 9785046942611850456000000000000
-
The
square root of 21388860000 is 146249.3076906691 -
The
cube root of 21388860000 is 2775.8492652639
Scales and comparisons
How big is 21388860000?- 21,388,860,000 seconds is equal to 680 years, 5 weeks, 1 day, 6 hours.
-
To count from 1 to 21,388,860,000 would take you about one thousand, three hundred sixty 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 21388860000 cubic inches would be around 231.3 feet tall.
Recreational maths with 21388860000
- 21388860000 backwards is 00006888312
- 21388860000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21388860000's digits is 36
- More coming soon!
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