21709123072
21,709,123,072 is an even composite number composed of five prime numbers multiplied together.
21709123072 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21709123072:
29 × 73 × 13 × 37 × 257
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7 × 13 × 37 × 257)See below for interesting mathematical facts about the number 21709123072 from the Numbermatics database.
Names of 21709123072
- Cardinal: 21709123072 can be written as Twenty-one billion, seven hundred nine million, one hundred twenty-three thousand and seventy-two.
Scientific notation
- Scientific notation: 2.1709123072 × 1010
Factors of 21709123072
Divisors of 21709123072
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 32 37 49 52 56 64 74 91 98 104 112 128 148 182 196 208 224 256 257 259 296 343 364 392 416 448 481 512 514 518 592 637 686 728 784 832 896 962 1028 1036 1184 1274 1372 1456 1568 1664 1792 1799 1813 1924 2056 2072 2368 2548 2744 2912 3136 3328 3341 3367 3584 3598 3626 3848 4112 4144 4459 4736 5096 5488 5824 6272 6656 6682 6734 7196 7252 7696 8224 8288 8918 9472 9509 10192 10976 11648 12544 12593 12691 13364 13468 14392 14504 15392 16448 16576 17836 18944 19018 20384 21952 23296 23387 23569 25088 25186 25382 26728 26936 28784 29008 30784 32896 33152 35672 38036 40768 43904 46592 46774 47138 50372 50764 53456 53872 57568 58016 61568 65792 66304 66563 71344 76072 81536 87808 88151 93548 94276 100744 101528 106912 107744 115136 116032 123136 123617 131584 132608 133126 142688 152144 163072 163709 164983 175616 176302 187096 188552 201488 203056 213824 215488 230272 232064 246272 247234 266252 285376 304288 326144 327418 329966 352604 374192 377104 402976 406112 427648 430976 460544 464128 465941 494468 532504 570752 608576 654836 659932 705208 748384 754208 805952 812224 855296 861952 865319 921088 928256 931882 988936 1065008 1141504 1145963 1217152 1309672 1319864 1410416 1496768 1508416 1611904 1624448 1710592 1723904 1730638 1863764 1977872 2130016 2283008 2291926 2434304 2619344 2639728 2820832 2993536 3016832 3223808 3248896 3261587 3461276 3727528 3955744 4260032 4583852 4868608 5238688 5279456 5641664 5987072 6033664 6057233 6447616 6497792 6523174 6922552 7455056 7911488 8520064 9167704 10477376 10558912 11283328 11974144 12067328 12114466 13046348 13845104 14910112 15822976 17040128 18335408 20954752 21117824 22566656 24228932 26092696 27690208 29820224 31645952 34080256 36670816 41909504 42235648 42400631 45133312 48457864 52185392 55380416 59640448 63291904 73341632 83819008 84471296 84801262 96915728 104370784 110760832 119280896 146683264 169602524 193831456 208741568 221521664 238561792 293366528 339205048 387662912 417483136 443043328 586733056 678410096 775325824 834966272 1356820192 1550651648 1669932544 2713640384 3101303296 5427280768 10854561536 21709123072
- Sum of all divisors σ(n): 56165155200
- Sum of proper divisors (its aliquot sum) s(n): 34456032128
- 21709123072 is an abundant number, because the sum of its proper divisors (34456032128) is greater than itself. Its abundance is 12746909056
Bases of 21709123072
- Binary: 101000011011111011011101110000000002
- Hexadecimal: 0x50DF6EE00
- Base-36: 9Z11UKG
Squares and roots of 21709123072
- 21709123072 squared (217091230722) is 471286024555242717184
- 21709123072 cubed (217091230723) is 10231206309183378210179145269248
-
The
square root of 21709123072 is 147340.1610966949 -
The
cube root of 21709123072 is 2789.6352804077
Scales and comparisons
How big is 21709123072?- 21,709,123,072 seconds is equal to 690 years, 14 weeks, 4 days, 23 hours, 57 minutes, 52 seconds.
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To count from 1 to 21,709,123,072 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 21709123072 cubic inches would be around 232.5 feet tall.
Recreational maths with 21709123072
- 21709123072 backwards is 27032190712
- The number of decimal digits it has is: 11
- The sum of 21709123072's digits is 34
- More coming soon!
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