21273137928
21,273,137,928 is an even composite number composed of six prime numbers multiplied together.
21273137928 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21273137928:
23 × 32 × 72 × 101 × 227 × 263
(2 × 2 × 2 × 3 × 3 × 7 × 7 × 101 × 227 × 263)See below for interesting mathematical facts about the number 21273137928 from the Numbermatics database.
Names of 21273137928
- Cardinal: 21273137928 can be written as Twenty-one billion, two hundred seventy-three million, one hundred thirty-seven thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1273137928 × 1010
Factors of 21273137928
Divisors of 21273137928
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 98 101 126 147 168 196 202 227 252 263 294 303 392 404 441 454 504 526 588 606 681 707 789 808 882 908 909 1052 1176 1212 1362 1414 1578 1589 1764 1816 1818 1841 2043 2104 2121 2367 2424 2724 2828 3156 3178 3528 3636 3682 4086 4242 4734 4767 4949 5448 5523 5656 6312 6356 6363 7272 7364 8172 8484 9468 9534 9898 11046 11123 12712 12726 12887 14301 14728 14847 16344 16569 16968 18936 19068 19796 22092 22246 22927 25452 25774 26563 28602 29694 33138 33369 38136 38661 39592 44184 44492 44541 45854 50904 51548 53126 57204 59388 59701 66276 66738 68781 77322 79689 88984 89082 91708 100107 103096 106252 114408 115983 118776 119402 132552 133476 137562 154644 159378 160489 178164 179103 183416 185941 200214 206343 212504 231966 238804 239067 266952 275124 309288 318756 320978 356328 358206 371882 400428 412686 417907 463932 477608 478134 481467 537309 550248 557823 637512 641956 716412 743764 800856 825372 835814 927864 956268 962934 1074618 1115646 1123423 1253721 1283912 1301587 1432824 1444401 1487528 1650744 1671628 1673469 1912536 1925868 2149236 2231292 2246846 2507442 2603174 2888802 2925349 3343256 3346938 3370269 3761163 3851736 3904761 4298472 4462584 4493692 5014884 5206348 5777604 5850698 6029801 6693876 6740538 7522326 7809522 8776047 8987384 10029768 10110807 10412696 11555208 11701396 11714283 12059602 13387752 13481076 15044652 15619044 17552094 18089403 20221614 23402792 23428566 24119204 26328141 26962152 30089304 31238088 35104188 36178806 40443228 42208607 46857132 48238408 52656282 54268209 70208376 72357612 80886456 84417214 93714264 105312564 108536418 126625821 144715224 168834428 210625128 217072836 253251642 295460249 337668856 379877463 434145672 506503284 590920498 759754926 886380747 1013006568 1181840996 1519509852 1772761494 2363681992 2659142241 3039019704 3545522988 5318284482 7091045976 10636568964 21273137928
- Sum of all divisors σ(n): 68241476160
- Sum of proper divisors (its aliquot sum) s(n): 46968338232
- 21273137928 is an abundant number, because the sum of its proper divisors (46968338232) is greater than itself. Its abundance is 25695200304
Bases of 21273137928
- Binary: 100111100111111101001010011000010002
- Hexadecimal: 0x4F3FA5308
- Base-36: 9RTH6A0
Squares and roots of 21273137928
- 21273137928 squared (212731379282) is 452546397303712133184
- 21273137928 cubed (212731379283) is 9627081928661355515630337802752
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The
square root of 21273137928 is 145853.1382178661 -
The
cube root of 21273137928 is 2770.8340673635
Scales and comparisons
How big is 21273137928?- 21,273,137,928 seconds is equal to 676 years, 21 weeks, 5 days, 20 hours, 58 minutes, 48 seconds.
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To count from 1 to 21,273,137,928 would take you about one thousand, three hundred fifty-two 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 21273137928 cubic inches would be around 230.9 feet tall.
Recreational maths with 21273137928
- 21273137928 backwards is 82973137212
- The number of decimal digits it has is: 11
- The sum of 21273137928's digits is 45
- More coming soon!
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