21242420640
21,242,420,640 is an even composite number composed of six prime numbers multiplied together.
What does the number 21242420640 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 384 divisors.
21242420640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21242420640:
25 × 33 × 5 × 7 × 181 × 3881
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 181 × 3881)See below for interesting mathematical facts about the number 21242420640 from the Numbermatics database.
Names of 21242420640
- Cardinal: 21242420640 can be written as Twenty-one billion, two hundred forty-two million, four hundred twenty thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.124242064 × 1010
Factors of 21242420640
Divisors of 21242420640
- Number of divisors d(n): 384
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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 70 72 80 84 90 96 105 108 112 120 126 135 140 144 160 168 180 181 189 210 216 224 240 252 270 280 288 315 336 360 362 378 420 432 480 504 540 543 560 630 672 720 724 756 840 864 905 945 1008 1080 1086 1120 1260 1267 1440 1448 1512 1629 1680 1810 1890 2016 2160 2172 2520 2534 2715 2896 3024 3258 3360 3620 3780 3801 3881 4320 4344 4887 5040 5068 5430 5792 6048 6335 6516 7240 7560 7602 7762 8145 8688 9774 10080 10136 10860 11403 11643 12670 13032 14480 15120 15204 15524 16290 17376 19005 19405 19548 20272 21720 22806 23286 24435 25340 26064 27167 28960 30240 30408 31048 32580 34209 34929 38010 38810 39096 40544 43440 45612 46572 48870 50680 52128 54334 57015 58215 60816 62096 65160 68418 69858 76020 77620 78192 81501 86880 91224 93144 97740 101360 104787 108668 114030 116430 121632 124192 130320 135835 136836 139716 152040 155240 156384 163002 171045 174645 182448 186288 195480 202720 209574 217336 228060 232860 244503 260640 271670 273672 279432 304080 310480 326004 342090 349290 364896 372576 390960 407505 419148 434672 456120 465720 489006 523935 543340 547344 558864 608160 620960 652008 684180 698580 702461 733509 781920 815010 838296 869344 912240 931440 978012 1047870 1086680 1094688 1117728 1222515 1304016 1368360 1397160 1404922 1467018 1630020 1676592 1824480 1862880 1956024 2095740 2107383 2173360 2445030 2608032 2736720 2794320 2809844 2934036 3260040 3353184 3512305 3667545 3912048 4191480 4214766 4346720 4890060 4917227 5473440 5588640 5619688 5868072 6322149 6520080 7024610 7335090 7824096 8382960 8429532 9780120 9834454 10536915 11239376 11736144 12644298 13040160 14049220 14670180 14751681 16765920 16859064 18966447 19560240 19668908 21073830 22478752 23472288 24586135 25288596 28098440 29340360 29503362 31610745 33718128 37932894 39120480 39337816 42147660 44255043 49172270 50577192 56196880 58680720 59006724 63221490 67436256 73758405 75865788 78675632 84295320 88510086 94832235 98344540 101154384 112393760 117361440 118013448 126442980 132765129 147516810 151731576 157351264 168590640 177020172 189664470 196689080 202308768 221275215 236026896 252885960 265530258 295033620 303463152 337181280 354040344 379328940 393378160 442550430 472053792 505771920 531060516 590067240 606926304 663825645 708080688 758657880 786756320 885100860 1011543840 1062121032 1180134480 1327651290 1416161376 1517315760 1770201720 2124242064 2360268960 2655302580 3034631520 3540403440 4248484128 5310605160 7080806880 10621210320 21242420640
- Sum of all divisors σ(n): 85461143040
- Sum of proper divisors (its aliquot sum) s(n): 64218722400
- 21242420640 is an abundant number, because the sum of its proper divisors (64218722400) is greater than itself. Its abundance is 42976301760
Bases of 21242420640
- Binary: 100111100100010010110011101101000002
- Hexadecimal: 0x4F2259DA0
- Base-36: 9RB6SO0
Squares and roots of 21242420640
- 21242420640 squared (212424206402) is 451240434646698009600
- 21242420640 cubed (212424206403) is 9585439122541588906973958144000
-
The
square root of 21242420640 is 145747.7980622691 -
The
cube root of 21242420640 is 2769.4997789095
Scales and comparisons
How big is 21242420640?- 21,242,420,640 seconds is equal to 675 years, 23 weeks, 8 hours, 24 minutes.
-
To count from 1 to 21,242,420,640 would take you about one thousand, three hundred fifty 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 21242420640 cubic inches would be around 230.8 feet tall.
Recreational maths with 21242420640
- 21242420640 backwards is 04602424212
- 21242420640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21242420640's digits is 27
- More coming soon!
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The information we have on file for 21242420640 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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