38945329920
38,945,329,920 is an even composite number composed of six prime numbers multiplied together.
38945329920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 38945329920:
28 × 32 × 5 × 7 × 17 × 28409
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 17 × 28409)See below for interesting mathematical facts about the number 38945329920 from the Numbermatics database.
Names of 38945329920
- Cardinal: 38945329920 can be written as Thirty-eight billion, nine hundred forty-five million, three hundred twenty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.894532992 × 1010
Factors of 38945329920
Divisors of 38945329920
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 28 30 32 34 35 36 40 42 45 48 51 56 60 63 64 68 70 72 80 84 85 90 96 102 105 112 119 120 126 128 136 140 144 153 160 168 170 180 192 204 210 224 238 240 252 255 256 272 280 288 306 315 320 336 340 357 360 384 408 420 448 476 480 504 510 544 560 576 595 612 630 640 672 680 714 720 765 768 816 840 896 952 960 1008 1020 1071 1088 1120 1152 1190 1224 1260 1280 1344 1360 1428 1440 1530 1632 1680 1785 1792 1904 1920 2016 2040 2142 2176 2240 2304 2380 2448 2520 2688 2720 2856 2880 3060 3264 3360 3570 3808 3840 4032 4080 4284 4352 4480 4760 4896 5040 5355 5376 5440 5712 5760 6120 6528 6720 7140 7616 8064 8160 8568 8960 9520 9792 10080 10710 10880 11424 11520 12240 13056 13440 14280 15232 16128 16320 17136 19040 19584 20160 21420 21760 22848 24480 26880 28409 28560 30464 32640 34272 38080 39168 40320 42840 45696 48960 56818 57120 65280 68544 76160 80640 85227 85680 91392 97920 113636 114240 137088 142045 152320 170454 171360 195840 198863 227272 228480 255681 274176 284090 340908 342720 397726 426135 454544 456960 482953 511362 568180 596589 681816 685440 795452 852270 909088 965906 994315 1022724 1136360 1193178 1278405 1363632 1370880 1448859 1590904 1704540 1789767 1818176 1931812 1988630 2045448 2272720 2386356 2414765 2556810 2727264 2897718 2982945 3181808 3380671 3409080 3579534 3636352 3863624 3977260 4090896 4346577 4545440 4772712 4829530 5113620 5454528 5795436 5965890 6363616 6761342 6818160 7159068 7244295 7272704 7727248 7954520 8181792 8693154 8948835 9090880 9545424 9659060 10142013 10227240 10909056 11590872 11931780 12727232 13522684 13636320 14318136 14488590 15454496 15909040 16363584 16903355 17386308 17897670 18181760 19090848 19318120 20284026 20454480 21732885 21818112 23181744 23863560 25454464 27045368 27272640 28636272 28977180 30426039 30908992 31818080 32727168 33806710 34772616 35795340 36363520 38181696 38636240 40568052 40908960 43465770 46363488 47727120 50710065 50908928 54090736 54545280 57272544 57954360 60852078 61817984 63636160 65454336 67613420 69545232 71590680 76363392 77272480 81136104 81817920 86931540 92726976 95454240 101420130 108181472 109090560 114545088 115908720 121704156 123635968 127272320 135226840 139090464 143181360 152130195 152726784 154544960 162272208 163635840 173863080 185453952 190908480 202840260 216362944 229090176 231817440 243408312 254544640 270453680 278180928 286362720 304260390 309089920 324544416 327271680 347726160 370907904 381816960 405680520 432725888 458180352 463634880 486816624 540907360 556361856 572725440 608520780 618179840 649088832 695452320 763633920 811361040 865451776 927269760 973633248 1081814720 1112723712 1145450880 1217041560 1298177664 1390904640 1622722080 1854539520 1947266496 2163629440 2290901760 2434083120 2596355328 2781809280 3245444160 3894532992 4327258880 4868166240 5563618560 6490888320 7789065984 9736332480 12981776640 19472664960 38945329920
- Sum of all divisors σ(n): 163060672320
- Sum of proper divisors (its aliquot sum) s(n): 124115342400
- 38945329920 is an abundant number, because the sum of its proper divisors (124115342400) is greater than itself. Its abundance is 85170012480
Bases of 38945329920
- Binary: 1001000100010101001010010011000000002
- Hexadecimal: 0x911529300
- Base-36: HW31KW0
Squares and roots of 38945329920
- 38945329920 squared (389453299202) is 1516738722577647206400
- 38945329920 cubed (389453299203) is 59069889953225823270614335488000
-
The
square root of 38945329920 is 197345.7116838367 -
The
cube root of 38945329920 is 3389.6261054207
Scales and comparisons
How big is 38945329920?- 38,945,329,920 seconds is equal to 1,238 years, 17 weeks, 5 days, 3 hours, 12 minutes.
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To count from 1 to 38,945,329,920 would take you about two thousand, four hundred seventy-six 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 38945329920 cubic inches would be around 282.5 feet tall.
Recreational maths with 38945329920
- 38945329920 backwards is 02992354983
- The number of decimal digits it has is: 11
- The sum of 38945329920's digits is 54
- More coming soon!
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