21704381440
21,704,381,440 is an even composite number composed of five prime numbers multiplied together.
21704381440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred fifty-two divisors.
Prime factorization of 21704381440:
210 × 5 × 73 × 17 × 727
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 7 × 17 × 727)See below for interesting mathematical facts about the number 21704381440 from the Numbermatics database.
Names of 21704381440
- Cardinal: 21704381440 can be written as Twenty-one billion, seven hundred four million, three hundred eighty-one thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.170438144 × 1010
Factors of 21704381440
Divisors of 21704381440
- Number of divisors d(n): 352
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 49 56 64 68 70 80 85 98 112 119 128 136 140 160 170 196 224 238 245 256 272 280 320 340 343 392 448 476 490 512 544 560 595 640 680 686 727 784 833 896 952 980 1024 1088 1120 1190 1280 1360 1372 1454 1568 1666 1715 1792 1904 1960 2176 2240 2380 2560 2720 2744 2908 3136 3332 3430 3584 3635 3808 3920 4165 4352 4480 4760 5089 5120 5440 5488 5816 5831 6272 6664 6860 7168 7270 7616 7840 8330 8704 8960 9520 10178 10880 10976 11632 11662 12359 12544 13328 13720 14540 15232 15680 16660 17408 17920 19040 20356 21760 21952 23264 23324 24718 25088 25445 26656 27440 29080 29155 30464 31360 33320 35623 35840 38080 40712 43520 43904 46528 46648 49436 50176 50890 53312 54880 58160 58310 60928 61795 62720 66640 71246 76160 81424 86513 87040 87808 93056 93296 98872 101780 106624 109760 116320 116620 121856 123590 125440 133280 142492 152320 162848 173026 175616 178115 186112 186592 197744 203560 213248 219520 232640 233240 247180 249361 250880 266560 284984 304640 325696 346052 351232 356230 372224 373184 395488 407120 426496 432565 439040 465280 466480 494360 498722 533120 569968 605591 609280 651392 692104 712460 744448 746368 790976 814240 852992 865130 878080 930560 932960 988720 997444 1066240 1139936 1211182 1246805 1302784 1384208 1424920 1492736 1581952 1628480 1730260 1756160 1861120 1865920 1977440 1994888 2132480 2279872 2422364 2493610 2605568 2768416 2849840 2985472 3027955 3163904 3256960 3460520 3722240 3731840 3954880 3989776 4239137 4264960 4559744 4844728 4987220 5211136 5536832 5699680 5970944 6055910 6327808 6513920 6921040 7463680 7909760 7979552 8478274 9119488 9689456 9974440 11073664 11399360 12111820 12655616 13027840 13842080 14927360 15819520 15959104 16956548 18238976 19378912 19948880 21195685 22147328 22798720 24223640 26055680 27684160 29854720 31639040 31918208 33913096 36477952 38757824 39897760 42391370 44294656 45597440 48447280 55368320 63278080 63836416 67826192 77515648 79795520 84782740 88589312 91194880 96894560 110736640 127672832 135652384 155031296 159591040 169565480 182389760 193789120 221473280 255345664 271304768 310062592 319182080 339130960 387578240 442946560 542609536 620125184 638364160 678261920 775156480 1085219072 1276728320 1356523840 1550312960 2170438144 2713047680 3100625920 4340876288 5426095360 10852190720 21704381440
- Sum of all divisors σ(n): 64377331200
- Sum of proper divisors (its aliquot sum) s(n): 42672949760
- 21704381440 is an abundant number, because the sum of its proper divisors (42672949760) is greater than itself. Its abundance is 20968568320
Bases of 21704381440
- Binary: 101000011011010111010010100000000002
- Hexadecimal: 0x50DAE9400
- Base-36: 9YY87WG
Squares and roots of 21704381440
- 21704381440 squared (217043814402) is 471080173693016473600
- 21704381440 cubed (217043814403) is 10224503778654683007218089984000
-
The
square root of 21704381440 is 147324.0694523473 -
The
cube root of 21704381440 is 2789.4321647713
Scales and comparisons
How big is 21704381440?- 21,704,381,440 seconds is equal to 690 years, 6 weeks, 6 days, 2 hours, 50 minutes, 40 seconds.
-
To count from 1 to 21,704,381,440 would take you about one thousand, three hundred eighty 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 21704381440 cubic inches would be around 232.5 feet tall.
Recreational maths with 21704381440
- 21704381440 backwards is 04418340712
- 21704381440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21704381440's digits is 34
- More coming soon!
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