21242079040
21,242,079,040 is an even composite number composed of six prime numbers multiplied together.
21242079040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 21242079040:
26 × 5 × 7 × 13 × 19 × 38393
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 13 × 19 × 38393)See below for interesting mathematical facts about the number 21242079040 from the Numbermatics database.
Names of 21242079040
- Cardinal: 21242079040 can be written as Twenty-one billion, two hundred forty-two million, seventy-nine thousand and forty.
Scientific notation
- Scientific notation: 2.124207904 × 1010
Factors of 21242079040
Divisors of 21242079040
- Number of divisors d(n): 224
-
Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 19 20 26 28 32 35 38 40 52 56 64 65 70 76 80 91 95 104 112 130 133 140 152 160 182 190 208 224 247 260 266 280 304 320 364 380 416 448 455 494 520 532 560 608 665 728 760 832 910 988 1040 1064 1120 1216 1235 1330 1456 1520 1729 1820 1976 2080 2128 2240 2470 2660 2912 3040 3458 3640 3952 4160 4256 4940 5320 5824 6080 6916 7280 7904 8512 8645 9880 10640 13832 14560 15808 17290 19760 21280 27664 29120 34580 38393 39520 42560 55328 69160 76786 79040 110656 138320 153572 191965 268751 276640 307144 383930 499109 537502 553280 614288 729467 767860 998218 1075004 1228576 1343755 1458934 1535720 1996436 2150008 2457152 2495545 2687510 2917868 3071440 3493763 3647335 3992872 4300016 4991090 5106269 5375020 5835736 6142880 6987526 7294670 7985744 8600032 9483071 9982180 10212538 10750040 11671472 12285760 13975052 14589340 15971488 17200064 17468815 18966142 19964360 20425076 21500080 23342944 25531345 27950104 29178680 31942976 34937630 37932284 39928720 40850152 43000160 46685888 47415355 51062690 55900208 58357360 66381497 69875260 75864568 79857440 81700304 86000320 94830710 102125380 111800416 116714720 132762994 139750520 151729136 159714880 163400608 189661420 204250760 223600832 233429440 265525988 279501040 303458272 326801216 331907485 379322840 408501520 531051976 559002080 606916544 663814970 758645680 817003040 1062103952 1118004160 1327629940 1517291360 1634006080 2124207904 2655259880 3034582720 4248415808 5310519760 10621039520 21242079040
- Sum of all divisors σ(n): 65533950720
- Sum of proper divisors (its aliquot sum) s(n): 44291871680
- 21242079040 is an abundant number, because the sum of its proper divisors (44291871680) is greater than itself. Its abundance is 23049792640
Bases of 21242079040
- Binary: 100111100100010000001100111010000002
- Hexadecimal: 0x4F2206740
- Base-36: 9RAZH34
Squares and roots of 21242079040
- 21242079040 squared (212420790402) is 451225921941607321600
- 21242079040 cubed (212420790403) is 9584976698780492990069899264000
-
The
square root of 21242079040 is 145746.6261702137 -
The
cube root of 21242079040 is 2769.4849333605
Scales and comparisons
How big is 21242079040?- 21,242,079,040 seconds is equal to 675 years, 22 weeks, 3 days, 9 hours, 30 minutes, 40 seconds.
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To count from 1 to 21,242,079,040 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 21242079040 cubic inches would be around 230.8 feet tall.
Recreational maths with 21242079040
- 21242079040 backwards is 04097024212
- The number of decimal digits it has is: 11
- The sum of 21242079040's digits is 31
- More coming soon!
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