21326665920
21,326,665,920 is an even composite number composed of six prime numbers multiplied together.
21326665920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21326665920:
26 × 3 × 5 × 72 × 17 × 26669
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 17 × 26669)See below for interesting mathematical facts about the number 21326665920 from the Numbermatics database.
Names of 21326665920
- Cardinal: 21326665920 can be written as Twenty-one billion, three hundred twenty-six million, six hundred sixty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.132666592 × 1010
Factors of 21326665920
Divisors of 21326665920
- Number of divisors d(n): 336
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 24 28 30 32 34 35 40 42 48 49 51 56 60 64 68 70 80 84 85 96 98 102 105 112 119 120 136 140 147 160 168 170 192 196 204 210 224 238 240 245 255 272 280 294 320 336 340 357 392 408 420 448 476 480 490 510 544 560 588 595 672 680 714 735 784 816 833 840 952 960 980 1020 1088 1120 1176 1190 1344 1360 1428 1470 1568 1632 1666 1680 1785 1904 1960 2040 2240 2352 2380 2499 2720 2856 2940 3136 3264 3332 3360 3570 3808 3920 4080 4165 4704 4760 4998 5440 5712 5880 6664 6720 7140 7616 7840 8160 8330 9408 9520 9996 11424 11760 12495 13328 14280 15680 16320 16660 19040 19992 22848 23520 24990 26656 26669 28560 33320 38080 39984 47040 49980 53312 53338 57120 66640 79968 80007 99960 106676 114240 133280 133345 159936 160014 186683 199920 213352 266560 266690 320028 373366 399840 400035 426704 453373 533380 560049 640056 746732 799680 800070 853408 906746 933415 1066760 1120098 1280112 1306781 1360119 1493464 1600140 1706816 1813492 1866830 2133520 2240196 2266865 2560224 2613562 2720238 2800245 2986928 3173611 3200280 3626984 3733660 3920343 4267040 4480392 4533730 5120448 5227124 5440476 5600490 5973856 6347222 6400560 6533905 6800595 7253968 7467320 7840686 8534080 8960784 9067460 9520833 10454248 10880952 11200980 11947712 12694444 12801120 13067810 13601190 14507936 14934640 15681372 15868055 17921568 18134920 19041666 19601715 20908496 21761904 22215277 22401960 25388888 25602240 26135620 27202380 29015872 29869280 31362744 31736110 35843136 36269840 38083332 39203430 41816992 43523808 44430554 44803920 47604165 50777776 52271240 54404760 59738560 62725488 63472220 66645831 72539680 76166664 78406860 83633984 87047616 88861108 89607840 95208330 101555552 104542480 108809520 111076385 125450976 126944440 133291662 145079360 152333328 156813720 177722216 179215680 190416660 203111104 209084960 217619040 222152770 250901952 253888880 266583324 304666656 313627440 333229155 355444432 380833320 418169920 435238080 444305540 507777760 533166648 609333312 627254880 666458310 710888864 761666640 888611080 1015555520 1066333296 1254509760 1332916620 1421777728 1523333280 1777222160 2132666592 2665833240 3046666560 3554444320 4265333184 5331666480 7108888640 10663332960 21326665920
- Sum of all divisors σ(n): 83403704160
- Sum of proper divisors (its aliquot sum) s(n): 62077038240
- 21326665920 is an abundant number, because the sum of its proper divisors (62077038240) is greater than itself. Its abundance is 40750372320
Bases of 21326665920
- Binary: 100111101110010101100011000110000002
- Hexadecimal: 0x4F72B18C0
- Base-36: 9SPCGQO
Squares and roots of 21326665920
- 21326665920 squared (213266659202) is 454826679263289446400
- 21326665920 cubed (213266659203) is 9699936640151165743634546688000
-
The
square root of 21326665920 is 146036.5225551471 -
The
cube root of 21326665920 is 2773.1561344089
Scales and comparisons
How big is 21326665920?- 21,326,665,920 seconds is equal to 678 years, 6 weeks, 2 days, 9 hours, 52 minutes.
-
To count from 1 to 21,326,665,920 would take you about one thousand, three hundred fifty-six 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 21326665920 cubic inches would be around 231.1 feet tall.
Recreational maths with 21326665920
- 21326665920 backwards is 02956662312
- 21326665920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21326665920's digits is 42
- More coming soon!
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