21368184320
21,368,184,320 is an even composite number composed of six prime numbers multiplied together.
21368184320 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21368184320:
29 × 5 × 7 × 19 × 97 × 647
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 19 × 97 × 647)See below for interesting mathematical facts about the number 21368184320 from the Numbermatics database.
Names of 21368184320
- Cardinal: 21368184320 can be written as Twenty-one billion, three hundred sixty-eight million, one hundred eighty-four thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.136818432 × 1010
Factors of 21368184320
Divisors of 21368184320
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 56 64 70 76 80 95 97 112 128 133 140 152 160 190 194 224 256 266 280 304 320 380 388 448 485 512 532 560 608 640 647 665 679 760 776 896 970 1064 1120 1216 1280 1294 1330 1358 1520 1552 1792 1843 1940 2128 2240 2432 2560 2588 2660 2716 3040 3104 3235 3395 3584 3686 3880 4256 4480 4529 4864 5176 5320 5432 6080 6208 6470 6790 7372 7760 8512 8960 9058 9215 9728 10352 10640 10864 12160 12293 12416 12901 12940 13580 14744 15520 17024 17920 18116 18430 20704 21280 21728 22645 24320 24586 24832 25802 25880 27160 29488 31040 34048 36232 36860 41408 42560 43456 45290 48640 49172 49664 51604 51760 54320 58976 61465 62080 62759 64505 68096 72464 73720 82816 85120 86051 86912 90580 98344 103208 103520 108640 117952 122930 124160 125518 129010 144928 147440 165632 170240 172102 173824 181160 196688 206416 207040 217280 235904 245860 248320 251036 258020 289856 294880 313795 331264 340480 344204 347648 362320 393376 412832 414080 430255 434560 439313 471808 491720 502072 516040 579712 589760 627590 688408 724640 786752 825664 828160 860510 869120 878626 943616 983440 1004144 1032080 1159424 1179520 1192421 1255180 1376816 1449280 1573504 1651328 1656320 1721020 1738240 1757252 1966880 2008288 2064160 2196565 2318848 2359040 2384842 2510360 2753632 2898560 3147008 3302656 3442040 3514504 3933760 4016576 4128320 4393130 4718080 4769684 5020720 5507264 5797120 5962105 6294016 6605312 6884080 7029008 7867520 8033152 8256640 8346947 8786260 9539368 10041440 11014528 11594240 11924210 13768160 14058016 15735040 16066304 16513280 16693894 17572520 19078736 20082880 22029056 23848420 27536320 28116032 31470080 32132608 33026560 33387788 35145040 38157472 40165760 41734735 44058112 47696840 55072640 56232064 66775576 70290080 76314944 80331520 83469470 95393680 110145280 112464128 133551152 140580160 152629888 160663040 166938940 190787360 220290560 224928256 267102304 281160320 305259776 333877880 381574720 534204608 562320640 610519552 667755760 763149440 1068409216 1124641280 1335511520 1526298880 2136818432 2671023040 3052597760 4273636864 5342046080 10684092160 21368184320
- Sum of all divisors σ(n): 62366008320
- Sum of proper divisors (its aliquot sum) s(n): 40997824000
- 21368184320 is an abundant number, because the sum of its proper divisors (40997824000) is greater than itself. Its abundance is 19629639680
Bases of 21368184320
- Binary: 100111110011010010010011110000000002
- Hexadecimal: 0x4F9A49E00
- Base-36: 9TE2CJK
Squares and roots of 21368184320
- 21368184320 squared (213681843202) is 456599301133493862400
- 21368184320 cubed (213681843203) is 9756698027003681777351917568000
-
The
square root of 21368184320 is 146178.6041799551 -
The
cube root of 21368184320 is 2774.9545460185
Scales and comparisons
How big is 21368184320?- 21,368,184,320 seconds is equal to 679 years, 22 weeks, 6 days, 22 hours, 45 minutes, 20 seconds.
-
To count from 1 to 21,368,184,320 would take you about one thousand, three hundred fifty-eight 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 21368184320 cubic inches would be around 231.2 feet tall.
Recreational maths with 21368184320
- 21368184320 backwards is 02348186312
- 21368184320 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21368184320's digits is 38
- More coming soon!
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