21128325120
21,128,325,120 is an even composite number composed of five prime numbers multiplied together.
21128325120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 21128325120:
211 × 35 × 5 × 7 × 1213
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 1213)See below for interesting mathematical facts about the number 21128325120 from the Numbermatics database.
Names of 21128325120
- Cardinal: 21128325120 can be written as Twenty-one billion, one hundred twenty-eight million, three hundred twenty-five thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.112832512 × 1010
Factors of 21128325120
Divisors of 21128325120
- Number of divisors d(n): 576
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 81 84 90 96 105 108 112 120 126 128 135 140 144 160 162 168 180 189 192 210 216 224 240 243 252 256 270 280 288 315 320 324 336 360 378 384 405 420 432 448 480 486 504 512 540 560 567 576 630 640 648 672 720 756 768 810 840 864 896 945 960 972 1008 1024 1080 1120 1134 1152 1213 1215 1260 1280 1296 1344 1440 1512 1536 1620 1680 1701 1728 1792 1890 1920 1944 2016 2048 2160 2240 2268 2304 2426 2430 2520 2560 2592 2688 2835 2880 3024 3072 3240 3360 3402 3456 3584 3639 3780 3840 3888 4032 4320 4480 4536 4608 4852 4860 5040 5120 5184 5376 5670 5760 6048 6065 6144 6480 6720 6804 6912 7168 7278 7560 7680 7776 8064 8491 8505 8640 8960 9072 9216 9704 9720 10080 10240 10368 10752 10917 11340 11520 12096 12130 12960 13440 13608 13824 14336 14556 15120 15360 15552 16128 16982 17010 17280 17920 18144 18195 18432 19408 19440 20160 20736 21504 21834 22680 23040 24192 24260 25473 25920 26880 27216 27648 29112 30240 30720 31104 32256 32751 33964 34020 34560 35840 36288 36390 38816 38880 40320 41472 42455 43008 43668 45360 46080 48384 48520 50946 51840 53760 54432 54585 55296 58224 60480 62208 64512 65502 67928 68040 69120 71680 72576 72780 76419 77632 77760 80640 82944 84910 87336 90720 92160 96768 97040 98253 101892 103680 107520 108864 109170 116448 120960 124416 127365 129024 131004 135856 136080 138240 145152 145560 152838 155264 155520 161280 163755 165888 169820 174672 181440 193536 194080 196506 203784 207360 215040 217728 218340 229257 232896 241920 248832 254730 262008 271712 272160 276480 290304 291120 294759 305676 310528 311040 322560 327510 339640 349344 362880 382095 387072 388160 393012 407568 414720 435456 436680 458514 465792 483840 491265 497664 509460 524016 543424 544320 580608 582240 589518 611352 621056 622080 645120 655020 679280 687771 698688 725760 764190 776320 786024 815136 829440 870912 873360 917028 931584 967680 982530 1018920 1048032 1086848 1088640 1146285 1161216 1164480 1179036 1222704 1242112 1244160 1310040 1358560 1375542 1397376 1451520 1473795 1528380 1552640 1572048 1630272 1741824 1746720 1834056 1863168 1935360 1965060 2037840 2063313 2096064 2173696 2177280 2292570 2328960 2358072 2445408 2484224 2488320 2620080 2717120 2751084 2794752 2903040 2947590 3056760 3105280 3144096 3260544 3438855 3483648 3493440 3668112 3726336 3930120 4075680 4126626 4192128 4347392 4354560 4585140 4657920 4716144 4890816 5240160 5434240 5502168 5589504 5806080 5895180 6113520 6210560 6288192 6521088 6877710 6986880 7336224 7452672 7860240 8151360 8253252 8384256 8694784 8709120 9170280 9315840 9432288 9781632 10316565 10480320 10868480 11004336 11179008 11790360 12227040 12421120 12576384 13042176 13755420 13973760 14672448 15720480 16302720 16506504 16768512 17389568 17418240 18340560 18631680 18864576 19563264 20633130 20960640 21736960 22008672 22358016 23580720 24454080 25152768 26084352 27510840 27947520 29344896 31440960 32605440 33013008 33537024 36681120 37263360 37729152 39126528 41266260 41921280 43473920 44017344 47161440 48908160 50305536 52168704 55021680 55895040 58689792 62881920 65210880 66026016 67074048 73362240 75458304 78253056 82532520 83842560 86947840 88034688 94322880 97816320 100611072 110043360 111790080 117379584 125763840 130421760 132052032 146724480 150916608 156506112 165065040 167685120 176069376 188645760 195632640 201222144 220086720 234759168 251527680 260843520 264104064 293448960 301833216 330130080 335370240 352138752 377291520 391265280 440173440 469518336 503055360 528208128 586897920 603666432 660260160 704277504 754583040 782530560 880346880 1006110720 1056416256 1173795840 1320520320 1408555008 1509166080 1760693760 2112832512 2347591680 2641040640 3018332160 3521387520 4225665024 5282081280 7042775040 10564162560 21128325120
- Sum of all divisors σ(n): 86859077760
- Sum of proper divisors (its aliquot sum) s(n): 65730752640
- 21128325120 is an abundant number, because the sum of its proper divisors (65730752640) is greater than itself. Its abundance is 44602427520
Bases of 21128325120
- Binary: 100111010110101100010101000000000002
- Hexadecimal: 0x4EB58A800
- Base-36: 9PF9C00
Squares and roots of 21128325120
- 21128325120 squared (211283251202) is 446406122376423014400
- 21128325120 cubed (211283251203) is 9431813689127572470893641728000
-
The
square root of 21128325120 is 145355.8568479441 -
The
cube root of 21128325120 is 2764.5324393857
Scales and comparisons
How big is 21128325120?- 21,128,325,120 seconds is equal to 671 years, 42 weeks, 2 days, 19 hours, 12 minutes.
-
To count from 1 to 21,128,325,120 would take you about one thousand, three hundred forty-three 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 21128325120 cubic inches would be around 230.4 feet tall.
Recreational maths with 21128325120
- 21128325120 backwards is 02152382112
- 21128325120 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21128325120's digits is 27
- More coming soon!
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