18390983940
18,390,983,940 is an even composite number composed of eight prime numbers multiplied together.
18390983940 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 18390983940:
22 × 32 × 5 × 7 × 29 × 37 × 61 × 223
(2 × 2 × 3 × 3 × 5 × 7 × 29 × 37 × 61 × 223)See below for interesting mathematical facts about the number 18390983940 from the Numbermatics database.
Names of 18390983940
- Cardinal: 18390983940 can be written as Eighteen billion, three hundred ninety million, nine hundred eighty-three thousand, nine hundred forty.
Scientific notation
- Scientific notation: 1.839098394 × 1010
Factors of 18390983940
Divisors of 18390983940
- Number of divisors d(n): 576
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 29 30 35 36 37 42 45 58 60 61 63 70 74 84 87 90 105 111 116 122 126 140 145 148 174 180 183 185 203 210 222 223 244 252 259 261 290 305 315 333 348 366 370 406 420 427 435 444 446 518 522 549 555 580 609 610 630 666 669 732 740 777 812 854 870 892 915 1015 1036 1044 1073 1098 1110 1115 1218 1220 1260 1281 1295 1305 1332 1338 1554 1561 1665 1708 1740 1769 1827 1830 2007 2030 2135 2146 2196 2220 2230 2257 2331 2436 2562 2590 2610 2676 2745 3045 3108 3122 3219 3330 3345 3538 3654 3660 3843 3885 4014 4060 4270 4292 4460 4514 4662 4683 5124 5180 5220 5307 5365 5490 6090 6244 6405 6438 6467 6660 6690 6771 7076 7308 7511 7686 7770 7805 8028 8251 8540 8845 9028 9135 9324 9366 9657 10035 10614 10730 10980 11285 11655 12180 12383 12810 12876 12934 13380 13542 13603 14049 15022 15372 15540 15610 15799 15921 16095 16502 17690 18270 18732 19215 19314 19401 20070 20313 21228 21460 22533 22570 23310 23415 24753 24766 25620 25868 26535 27084 27206 28098 30044 31220 31598 31842 32190 32335 33004 33855 35380 36540 37149 37555 38430 38628 38802 40140 40626 40809 41255 45066 45140 45269 46620 46830 47397 48285 49506 49532 53070 54412 56196 57757 58203 61915 63196 63684 64380 64670 65453 67599 67710 68015 70245 74259 74298 75110 76860 77604 78995 79605 81252 81618 82510 90132 90538 93660 94794 95221 96570 97005 99012 101565 106140 111447 112665 115514 116406 122427 123765 123830 129340 130906 135198 135420 135807 136030 140490 142191 148518 148596 150220 157990 159210 163236 165020 173271 181076 185745 189588 190442 193140 194010 196359 203130 204045 222894 225330 226345 231028 232812 236985 239279 244854 247530 247660 261812 270396 271614 272060 280980 284382 285663 288785 291015 297036 315980 318420 327265 337995 346542 371295 371490 380884 388020 392718 394487 406260 407421 408090 445788 450660 452690 458171 473970 476105 478558 489708 495060 503311 519813 543228 557235 568764 571326 577570 582030 589077 612135 654530 675990 679035 693084 710955 717837 742590 742980 785436 788974 814842 816180 856989 866355 905380 916342 947940 952210 957116 981795 1006622 1039626 1114470 1142652 1155140 1164060 1178154 1183461 1196395 1224270 1309060 1351980 1358070 1374513 1421910 1428315 1435674 1485180 1509933 1577948 1629684 1674953 1713978 1732710 1832684 1904420 1963590 1972435 2013244 2037105 2079252 2153511 2228940 2290855 2356308 2366922 2392790 2448540 2516555 2599065 2716140 2749026 2761409 2843820 2856630 2871348 2945385 3019866 3349906 3427956 3465420 3523177 3550383 3589185 3927180 3944870 4074210 4123539 4284945 4307022 4529799 4581710 4733844 4785580 5024859 5033110 5198130 5498052 5522818 5713260 5890770 5917305 6039732 6699812 6872565 7046354 7100766 7178370 7549665 7889740 8148420 8247078 8284227 8374765 8569890 8614044 9059598 9163420 10049718 10066220 10396260 10569531 10767555 11045636 11781540 11834610 13745130 13807045 14092708 14201532 14356740 14596019 15074577 15099330 16494156 16568454 16749530 17139780 17615885 17751915 18119196 20099436 20617695 21139062 21535110 22648995 23669220 24852681 25124295 27490260 27614090 29192038 30149154 30198660 31708593 33136908 33499060 35231770 35503830 41235390 41421135 42278124 43070220 43788057 45297990 49705362 50248590 52847655 55228180 58384076 60298308 63417186 70463540 71007660 72980095 75372885 82470780 82842270 87576114 90595980 99410724 100497180 102172133 105695310 124263405 126834372 131364171 145960190 150745770 158542965 165684540 175152228 204344266 211390620 218940285 248526810 262728342 291920380 301491540 306516399 317085930 408688532 437880570 497053620 510860665 525456684 613032798 634171860 656820855 875761140 919549197 1021721330 1226065596 1313641710 1532581995 1839098394 2043442660 2627283420 3065163990 3678196788 4597745985 6130327980 9195491970 18390983940
- Sum of all divisors σ(n): 69155573760
- Sum of proper divisors (its aliquot sum) s(n): 50764589820
- 18390983940 is an abundant number, because the sum of its proper divisors (50764589820) is greater than itself. Its abundance is 32373605880
Bases of 18390983940
- Binary: 100010010000011000000100101000001002
- Hexadecimal: 0x448302504
- Base-36: 8G5IM10
Squares and roots of 18390983940
- 18390983940 squared (183909839402) is 338228290281337923600
- 18390983940 cubed (183909839403) is 6220351054617743834640546984000
-
The
square root of 18390983940 is 135613.3619522797 -
The
cube root of 18390983940 is 2639.5809682727
Scales and comparisons
How big is 18390983940?- 18,390,983,940 seconds is equal to 584 years, 40 weeks, 2 days, 14 hours, 39 minutes.
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To count from 1 to 18,390,983,940 would take you about one thousand, one hundred sixty-nine 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 18390983940 cubic inches would be around 220 feet tall.
Recreational maths with 18390983940
- 18390983940 backwards is 04938909381
- The number of decimal digits it has is: 11
- The sum of 18390983940's digits is 54
- More coming soon!
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