18742138272
18,742,138,272 is an even composite number composed of six prime numbers multiplied together.
18742138272 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 18742138272:
25 × 32 × 11 × 13 × 433 × 1051
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 11 × 13 × 433 × 1051)See below for interesting mathematical facts about the number 18742138272 from the Numbermatics database.
Names of 18742138272
- Cardinal: 18742138272 can be written as Eighteen billion, seven hundred forty-two million, one hundred thirty-eight thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 1.8742138272 × 1010
Factors of 18742138272
Divisors of 18742138272
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 32 33 36 39 44 48 52 66 72 78 88 96 99 104 117 132 143 144 156 176 198 208 234 264 286 288 312 352 396 416 429 433 468 528 572 624 792 858 866 936 1051 1056 1144 1248 1287 1299 1584 1716 1732 1872 2102 2288 2574 2598 3153 3168 3432 3464 3744 3897 4204 4576 4763 5148 5196 5629 6306 6864 6928 7794 8408 9459 9526 10296 10392 11258 11561 12612 13663 13728 13856 14289 15588 16816 16887 18918 19052 20592 20784 22516 23122 25224 27326 28578 31176 33632 33774 34683 37836 38104 40989 41184 41568 42867 45032 46244 50448 50661 54652 57156 61919 62352 67548 69366 75672 76208 81978 85734 90064 92488 100896 101322 104049 109304 114312 122967 123838 124704 135096 138732 150293 151344 152416 163956 171468 180128 184976 185757 202644 208098 218608 228624 245934 247676 270192 277464 300586 302688 327912 342936 369952 371514 405288 416196 437216 450879 455083 457248 491868 495352 540384 554928 557271 601172 655824 685872 743028 810576 832392 901758 910166 983736 990704 1109856 1114542 1202344 1311648 1352637 1365249 1371744 1486056 1621152 1664784 1803516 1820332 1967472 1981408 2229084 2404688 2705274 2730498 2972112 3329568 3607032 3640664 3934944 4095747 4458168 4809376 5005913 5410548 5460996 5916079 5944224 7214064 7281328 8191494 8916336 10011826 10821096 10921992 11832158 14428128 14562656 15017739 16382988 17748237 17832672 20023652 21642192 21843984 23664316 30035478 32765976 35496474 40047304 43284384 43687968 45053217 47328632 53244711 60070956 65076869 65531952 70992948 80094608 90106434 94657264 106489422 120141912 130153738 131063904 141985896 160189216 180212868 189314528 195230607 212978844 240283824 260307476 283971792 360425736 390461214 425957688 480567648 520614952 567943584 585691821 720851472 780922428 851915376 1041229904 1171383642 1441702944 1561844856 1703830752 2082459808 2342767284 3123689712 4685534568 6247379424 9371069136 18742138272
- Sum of all divisors σ(n): 62820104256
- Sum of proper divisors (its aliquot sum) s(n): 44077965984
- 18742138272 is an abundant number, because the sum of its proper divisors (44077965984) is greater than itself. Its abundance is 25335827712
Bases of 18742138272
- Binary: 100010111010001111001010101101000002
- Hexadecimal: 0x45D1E55A0
- Base-36: 8LYL2G0
Squares and roots of 18742138272
- 18742138272 squared (187421382722) is 351267747006767145984
- 18742138272 cubed (187421382723) is 6583508684894743969738937499648
-
The
square root of 18742138272 is 136901.9293947315 -
The
cube root of 18742138272 is 2656.2750673771
Scales and comparisons
How big is 18742138272?- 18,742,138,272 seconds is equal to 595 years, 48 weeks, 6 days, 21 hours, 31 minutes, 12 seconds.
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To count from 1 to 18,742,138,272 would take you about one thousand, one hundred ninety-one 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 18742138272 cubic inches would be around 221.4 feet tall.
Recreational maths with 18742138272
- 18742138272 backwards is 27283124781
- The number of decimal digits it has is: 11
- The sum of 18742138272's digits is 45
- More coming soon!
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