21227709440
21,227,709,440 is an even composite number composed of five prime numbers multiplied together.
21227709440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixty-four divisors.
Prime factorization of 21227709440:
210 × 5 × 72 × 191 × 443
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 191 × 443)See below for interesting mathematical facts about the number 21227709440 from the Numbermatics database.
Names of 21227709440
- Cardinal: 21227709440 can be written as Twenty-one billion, two hundred twenty-seven million, seven hundred nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.122770944 × 1010
Factors of 21227709440
Divisors of 21227709440
- Number of divisors d(n): 264
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 191 196 224 245 256 280 320 382 392 443 448 490 512 560 640 764 784 886 896 955 980 1024 1120 1280 1337 1528 1568 1772 1792 1910 1960 2215 2240 2560 2674 3056 3101 3136 3544 3584 3820 3920 4430 4480 5120 5348 6112 6202 6272 6685 7088 7168 7640 7840 8860 8960 9359 10696 12224 12404 12544 13370 14176 15280 15505 15680 17720 17920 18718 21392 21707 24448 24808 25088 26740 28352 30560 31010 31360 35440 35840 37436 42784 43414 46795 48896 49616 50176 53480 56704 61120 62020 62720 70880 74872 84613 85568 86828 93590 97792 99232 106960 108535 113408 122240 124040 125440 141760 149744 169226 171136 173656 187180 195584 198464 213920 217070 226816 244480 248080 250880 283520 299488 338452 342272 347312 374360 396928 423065 427840 434140 453632 488960 496160 567040 592291 598976 676904 684544 694624 748720 793856 846130 855680 868280 977920 992320 1134080 1184582 1197952 1353808 1369088 1389248 1497440 1587712 1692260 1711360 1736560 1984640 2268160 2369164 2395904 2707616 2778496 2961455 2994880 3175424 3384520 3422720 3473120 3969280 4146037 4738328 4791808 5415232 5556992 5922910 5989760 6769040 6845440 6946240 7938560 8292074 9476656 9583616 10830464 11113984 11845820 11979520 13538080 13892480 15877120 16584148 18953312 20730185 21660928 22227968 23691640 23959040 27076160 27784960 33168296 37906624 41460370 43321856 47383280 47918080 54152320 55569920 66336592 75813248 82920740 86643712 94766560 108304640 111139840 132673184 151626496 165841480 189533120 216609280 265346368 303252992 331682960 379066240 433218560 530692736 606505984 663365920 758132480 1061385472 1326731840 1516264960 2122770944 2653463680 3032529920 4245541888 5306927360 10613854720 21227709440
- Sum of all divisors σ(n): 59679908352
- Sum of proper divisors (its aliquot sum) s(n): 38452198912
- 21227709440 is an abundant number, because the sum of its proper divisors (38452198912) is greater than itself. Its abundance is 17224489472
Bases of 21227709440
- Binary: 100111100010100010100100100000000002
- Hexadecimal: 0x4F1452400
- Base-36: 9R2FHFK
Squares and roots of 21227709440
- 21227709440 squared (212277094402) is 450615648069065113600
- 21227709440 cubed (212277094403) is 9565538046327411283941392384000
-
The
square root of 21227709440 is 145697.3213206063 -
The
cube root of 21227709440 is 2768.8603026035
Scales and comparisons
How big is 21227709440?- 21,227,709,440 seconds is equal to 674 years, 50 weeks, 5 days, 1 hour, 57 minutes, 20 seconds.
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To count from 1 to 21,227,709,440 would take you about one thousand, three hundred forty-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 21227709440 cubic inches would be around 230.7 feet tall.
Recreational maths with 21227709440
- 21227709440 backwards is 04490772212
- The number of decimal digits it has is: 11
- The sum of 21227709440's digits is 38
- More coming soon!
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