21181189120
21,181,189,120 is an even composite number composed of five prime numbers multiplied together.
21181189120 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 21181189120:
210 × 5 × 7 × 133 × 269
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 13 × 13 × 13 × 269)See below for interesting mathematical facts about the number 21181189120 from the Numbermatics database.
Names of 21181189120
- Cardinal: 21181189120 can be written as Twenty-one billion, one hundred eighty-one million, one hundred eighty-nine thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.118118912 × 1010
Factors of 21181189120
Divisors of 21181189120
- Number of divisors d(n): 352
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 91 104 112 128 130 140 160 169 182 208 224 256 260 269 280 320 338 364 416 448 455 512 520 538 560 640 676 728 832 845 896 910 1024 1040 1076 1120 1183 1280 1345 1352 1456 1664 1690 1792 1820 1883 2080 2152 2197 2240 2366 2560 2690 2704 2912 3328 3380 3497 3584 3640 3766 4160 4304 4394 4480 4732 5120 5380 5408 5824 5915 6656 6760 6994 7168 7280 7532 8320 8608 8788 8960 9415 9464 10760 10816 10985 11648 11830 13312 13520 13988 14560 15064 15379 16640 17216 17485 17576 17920 18830 18928 21520 21632 21970 23296 23660 24479 27040 27976 29120 30128 30758 33280 34432 34970 35152 35840 37660 37856 43040 43264 43940 45461 46592 47320 48958 54080 55952 58240 60256 61516 66560 68864 69940 70304 75320 75712 76895 86080 86528 87880 90922 93184 94640 97916 108160 111904 116480 120512 122395 123032 137728 139880 140608 150640 151424 153790 172160 173056 175760 181844 189280 195832 216320 223808 227305 232960 241024 244790 246064 275456 279760 281216 301280 302848 307580 318227 344320 351520 363688 378560 391664 432640 447616 454610 465920 482048 489580 492128 559520 562432 590993 602560 605696 615160 636454 688640 703040 727376 757120 783328 865280 895232 909220 964096 979160 984256 1119040 1124864 1181986 1205120 1211392 1230320 1272908 1377280 1406080 1454752 1514240 1566656 1591135 1790464 1818440 1928192 1958320 1968512 2238080 2249728 2363972 2410240 2460640 2545816 2812160 2909504 2954965 3028480 3133312 3182270 3580928 3636880 3916640 3937024 4136951 4476160 4727944 4820480 4921280 5091632 5624320 5819008 5909930 6056960 6266624 6364540 7273760 7833280 7874048 8273902 8952320 9455888 9640960 9842560 10183264 11248640 11638016 11819860 12533248 12729080 14547520 15666560 15748096 16547804 17904640 18911776 19685120 20366528 20684755 23276032 23639720 25066496 25458160 29095040 31333120 33095608 37823552 39370240 40733056 41369510 46552064 47279440 50916320 58190080 62666240 66191216 75647104 78740480 81466112 82739020 94558880 101832640 116380160 125332480 132382432 151294208 162932224 165478040 189117760 203665280 232760320 264764864 302588416 325864448 330956080 378235520 407330560 529529728 605176832 661912160 756471040 814661120 1059059456 1323824320 1512942080 1629322240 2118118912 2647648640 3025884160 4236237824 5295297280 10590594560 21181189120
- Sum of all divisors σ(n): 63139305600
- Sum of proper divisors (its aliquot sum) s(n): 41958116480
- 21181189120 is an abundant number, because the sum of its proper divisors (41958116480) is greater than itself. Its abundance is 20776927360
Bases of 21181189120
- Binary: 100111011100111111101001100000000002
- Hexadecimal: 0x4EE7F4C00
- Base-36: 9QAQE4G
Squares and roots of 21181189120
- 21181189120 squared (211811891202) is 448642772537206374400
- 21181189120 cubed (211811891203) is 9502787412431710452635926528000
-
The
square root of 21181189120 is 145537.5866228377 -
The
cube root of 21181189120 is 2766.8361797397
Scales and comparisons
How big is 21181189120?- 21,181,189,120 seconds is equal to 673 years, 25 weeks, 5 days, 15 hours, 38 minutes, 40 seconds.
-
To count from 1 to 21,181,189,120 would take you about one thousand, three hundred forty-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 21181189120 cubic inches would be around 230.6 feet tall.
Recreational maths with 21181189120
- 21181189120 backwards is 02198118112
- The number of decimal digits it has is: 11
- The sum of 21181189120's digits is 34
- More coming soon!
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