21396089400
21,396,089,400 is an even composite number composed of seven prime numbers multiplied together.
21396089400 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21396089400:
23 × 3 × 52 × 7 × 53 × 277 × 347
(2 × 2 × 2 × 3 × 5 × 5 × 7 × 53 × 277 × 347)See below for interesting mathematical facts about the number 21396089400 from the Numbermatics database.
Names of 21396089400
- Cardinal: 21396089400 can be written as Twenty-one billion, three hundred ninety-six million, eighty-nine thousand, four hundred.
Scientific notation
- Scientific notation: 2.13960894 × 1010
Factors of 21396089400
Divisors of 21396089400
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 50 53 56 60 70 75 84 100 105 106 120 140 150 159 168 175 200 210 212 265 277 280 300 318 347 350 371 420 424 525 530 554 600 636 694 700 742 795 831 840 1041 1050 1060 1108 1113 1272 1325 1385 1388 1400 1484 1590 1662 1735 1855 1939 2082 2100 2120 2216 2226 2429 2650 2770 2776 2968 3180 3324 3470 3710 3878 3975 4155 4164 4200 4452 4858 5205 5300 5540 5565 5817 6360 6648 6925 6940 7287 7420 7756 7950 8310 8328 8675 8904 9275 9695 9716 10410 10600 11080 11130 11634 12145 13850 13880 14574 14681 14840 15512 15900 16620 17350 18391 18550 19390 19432 20775 20820 22260 23268 24290 26025 27700 27825 29085 29148 29362 31800 33240 34700 36435 36782 37100 38780 41550 41640 44043 44520 46536 48475 48580 52050 55173 55400 55650 58170 58296 58724 60725 69400 72870 73405 73564 74200 77560 83100 88086 91955 96119 96950 97160 102767 104100 110346 111300 116340 117448 121450 128737 145425 145740 146810 147128 166200 176172 182175 183910 192238 193900 205534 208200 220215 220692 222600 232680 242900 257474 275865 288357 290850 291480 293620 308301 352344 364350 367025 367820 384476 386211 387800 411068 440430 441384 459775 480595 485800 513835 514948 551730 576714 581700 587240 616602 643685 672833 728700 734050 735640 768952 772422 822136 880860 919550 961190 1027670 1029896 1101075 1103460 1153428 1163400 1233204 1287370 1345666 1379325 1441785 1457400 1468100 1541505 1544844 1761720 1839100 1922380 1931055 2018499 2055340 2202150 2206920 2306856 2402975 2466408 2569175 2574740 2691332 2758650 2883570 2936200 3083010 3089688 3218425 3364165 3678200 3844760 3862110 4036998 4110680 4404300 4805950 5094307 5138350 5149480 5382664 5517300 5767140 6166020 6436850 6728330 7208925 7707525 7724220 8073996 8808600 9611900 9655275 10092495 10188614 10276700 11034600 11534280 12332040 12873700 13456660 14417850 15282921 15415050 15448440 16147992 16820825 19223800 19310550 20184990 20377228 20553400 25471535 25747400 26913320 28835700 30565842 30830100 33641650 35660149 38621100 40369980 40754456 50462475 50943070 57671400 61131684 61660200 67283300 71320298 76414605 77242200 80739960 100924950 101886140 106980447 122263368 127357675 134566600 142640596 152829210 178300745 201849900 203772280 213960894 254715350 285281192 305658420 356601490 382073025 403699800 427921788 509430700 534902235 611316840 713202980 764146050 855843576 891503725 1018861400 1069804470 1426405960 1528292100 1783007450 2139608940 2674511175 3056584200 3566014900 4279217880 5349022350 7132029800 10698044700 21396089400
- Sum of all divisors σ(n): 77735738880
- Sum of proper divisors (its aliquot sum) s(n): 56339649480
- 21396089400 is an abundant number, because the sum of its proper divisors (56339649480) is greater than itself. Its abundance is 34943560080
Bases of 21396089400
- Binary: 100111110110100111001101010001110002
- Hexadecimal: 0x4FB4E6A38
- Base-36: 9TUOG8O
Squares and roots of 21396089400
- 21396089400 squared (213960894002) is 457792641612792360000
- 21396089400 cubed (213960894003) is 9794972286609465518196984000000
-
The
square root of 21396089400 is 146274.0216169639 -
The
cube root of 21396089400 is 2776.1619742185
Scales and comparisons
How big is 21396089400?- 21,396,089,400 seconds is equal to 680 years, 17 weeks, 22 hours, 10 minutes.
-
To count from 1 to 21,396,089,400 would take you about one thousand, three hundred sixty 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 21396089400 cubic inches would be around 231.3 feet tall.
Recreational maths with 21396089400
- 21396089400 backwards is 00498069312
- 21396089400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21396089400's digits is 42
- More coming soon!
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