21941427420
21,941,427,420 is an even composite number composed of five prime numbers multiplied together.
21941427420 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 21941427420:
22 × 311 × 5 × 11 × 563
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 11 × 563)See below for interesting mathematical facts about the number 21941427420 from the Numbermatics database.
Names of 21941427420
- Cardinal: 21941427420 can be written as Twenty-one billion, nine hundred forty-one million, four hundred twenty-seven thousand, four hundred twenty.
Scientific notation
- Scientific notation: 2.194142742 × 1010
Factors of 21941427420
Divisors of 21941427420
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 81 90 99 108 110 132 135 162 165 180 198 220 243 270 297 324 330 396 405 486 495 540 563 594 660 729 810 891 972 990 1126 1188 1215 1458 1485 1620 1689 1782 1980 2187 2252 2430 2673 2815 2916 2970 3378 3564 3645 4374 4455 4860 5067 5346 5630 5940 6193 6561 6756 7290 8019 8445 8748 8910 10134 10692 10935 11260 12386 13122 13365 14580 15201 16038 16890 17820 18579 19683 20268 21870 24057 24772 25335 26244 26730 30402 30965 32076 32805 33780 37158 39366 40095 43740 45603 48114 50670 53460 55737 59049 60804 61930 65610 72171 74316 76005 78732 80190 91206 92895 96228 98415 101340 111474 118098 120285 123860 131220 136809 144342 152010 160380 167211 177147 182412 185790 196830 216513 222948 228015 236196 240570 273618 278685 288684 295245 304020 334422 354294 360855 371580 393660 410427 433026 456030 481140 501633 547236 557370 590490 649539 668844 684045 708588 721710 820854 836055 866052 885735 912060 1003266 1082565 1114740 1180980 1231281 1299078 1368090 1443420 1504899 1641708 1672110 1771470 1948617 2006532 2052135 2165130 2462562 2508165 2598156 2736180 3009798 3247695 3344220 3542940 3693843 3897234 4104270 4330260 4514697 4925124 5016330 6019596 6156405 6495390 7387686 7524495 7794468 8208540 9029394 9743085 10032660 11081529 12312810 12990780 13544091 14775372 15048990 18058788 18469215 19486170 22163058 22573485 24625620 27088182 30097980 33244587 36938430 38972340 40632273 44326116 45146970 54176364 55407645 66489174 67720455 73876860 81264546 90293940 99733761 110815290 121896819 132978348 135440910 162529092 166222935 199467522 203161365 221630580 243793638 270881820 332445870 365690457 398935044 406322730 487587276 498668805 609484095 664891740 731380914 812645460 997337610 1097071371 1218968190 1462761828 1828452285 1994675220 2194142742 2437936380 3656904570 4388285484 5485356855 7313809140 10970713710 21941427420
- Sum of all divisors σ(n): 75532504320
- Sum of proper divisors (its aliquot sum) s(n): 53591076900
- 21941427420 is an abundant number, because the sum of its proper divisors (53591076900) is greater than itself. Its abundance is 31649649480
Bases of 21941427420
- Binary: 101000110111100111110011100110111002
- Hexadecimal: 0x51BCF9CDC
- Base-36: A2VCXR0
Squares and roots of 21941427420
- 21941427420 squared (219414274202) is 481426237227127856400
- 21941427420 cubed (219414274203) is 10563178842202727916260782488000
-
The
square root of 21941427420 is 148126.3900187945 -
The
cube root of 21941427420 is 2799.5504133595
Scales and comparisons
How big is 21941427420?- 21,941,427,420 seconds is equal to 697 years, 34 weeks, 5 days, 16 hours, 57 minutes.
-
To count from 1 to 21,941,427,420 would take you about one thousand, three hundred ninety-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 21941427420 cubic inches would be around 233.3 feet tall.
Recreational maths with 21941427420
- 21941427420 backwards is 02472414912
- 21941427420 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21941427420's digits is 36
- More coming soon!
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