18272139732
18,272,139,732 is an even composite number composed of seven prime numbers multiplied together.
18272139732 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 18272139732:
22 × 34 × 7 × 11 × 73 × 79 × 127
(2 × 2 × 3 × 3 × 3 × 3 × 7 × 11 × 73 × 79 × 127)See below for interesting mathematical facts about the number 18272139732 from the Numbermatics database.
Names of 18272139732
- Cardinal: 18272139732 can be written as Eighteen billion, two hundred seventy-two million, one hundred thirty-nine thousand, seven hundred thirty-two.
Scientific notation
- Scientific notation: 1.8272139732 × 1010
Factors of 18272139732
Divisors of 18272139732
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 54 63 66 73 77 79 81 84 99 108 126 127 132 146 154 158 162 189 198 219 231 237 252 254 292 297 308 316 324 378 381 396 438 462 474 508 511 553 567 594 657 693 711 756 762 803 869 876 889 891 924 948 1022 1106 1134 1143 1188 1314 1386 1397 1422 1524 1533 1606 1659 1738 1778 1782 1971 2044 2079 2133 2212 2268 2286 2409 2607 2628 2667 2772 2794 2844 3066 3212 3318 3429 3476 3556 3564 3942 4158 4191 4266 4572 4599 4818 4977 5214 5334 5588 5621 5767 5913 6083 6132 6237 6399 6636 6858 7227 7821 7884 8001 8316 8382 8532 9198 9271 9636 9779 9954 10033 10287 10428 10668 11242 11534 11826 12166 12474 12573 12798 13716 13797 14454 14931 15642 16002 16764 16863 17301 18249 18396 18542 19558 19908 20066 20574 21681 22484 23068 23463 23652 24003 24332 24948 25146 25596 27594 27813 28908 29337 29862 30099 31284 32004 33726 34602 36498 37084 37719 39116 40132 40369 41148 41391 43362 44793 46926 48006 50292 50589 51903 54747 55188 55626 58674 59724 60198 63437 64897 65043 67452 69204 70231 70389 72009 72996 75438 80738 82782 83439 86724 88011 89586 90297 93852 96012 101178 101981 103806 109494 110363 111252 113157 117348 120396 121107 126874 129794 130086 140462 140778 144018 150876 151767 155709 161476 164241 165564 166878 176022 179172 180594 190311 194691 202356 203962 207612 210693 218988 220726 226314 242214 250317 253748 259588 260172 264033 270891 280924 281556 288036 303534 305943 311418 328482 331089 333756 352044 361188 363321 380622 389382 407924 421386 441452 444059 452628 455301 467127 484428 492723 500634 528066 541782 570933 584073 607068 611886 622836 632079 656964 662178 713867 726642 732409 750951 761244 772541 778764 792099 812673 842772 888118 910602 917829 934254 985446 993267 1001268 1056132 1083564 1089963 1141866 1168146 1223772 1264158 1324356 1332177 1427734 1453284 1464818 1501902 1545082 1584198 1625346 1712799 1752219 1776236 1821204 1835658 1868508 1896237 1970892 1986534 2141601 2179926 2197227 2283732 2317623 2336292 2528316 2664354 2753487 2855468 2929636 2979801 3003804 3090164 3168396 3250692 3269889 3425598 3504438 3671316 3792474 3973068 3996531 4283202 4359852 4394454 4635246 5126863 5138397 5256657 5328708 5506974 5688711 5959602 6424803 6539778 6591681 6851196 6952869 7008876 7584948 7993062 8056499 8260461 8566404 8788908 8939403 9270492 10253726 10276794 10513314 11013948 11377422 11919204 11989593 12849606 13079556 13183362 13905738 15380589 15986124 16112998 16520922 17878806 19274409 19775043 20507452 20553588 20858607 21026628 22754844 23979186 24169497 25699212 26366724 27811476 30761178 32225996 33041844 35757612 35968779 38548818 39550086 41717214 46141767 47958372 48338994 56395493 57823227 59325129 61522356 62575821 71937558 72508491 77097636 79100172 83434428 92283534 96677988 112790986 115646454 118650258 125151642 138425301 143875116 145016982 169186479 184567068 217525473 225581972 231292908 237300516 250303284 276850602 290033964 338372958 415275903 435050946 507559437 553701204 652576419 676745916 830551806 870101892 1015118874 1305152838 1522678311 1661103612 2030237748 2610305676 3045356622 4568034933 6090713244 9136069866 18272139732
- Sum of all divisors σ(n): 61614981120
- Sum of proper divisors (its aliquot sum) s(n): 43342841388
- 18272139732 is an abundant number, because the sum of its proper divisors (43342841388) is greater than itself. Its abundance is 25070701656
Bases of 18272139732
- Binary: 100010000010001101010111001110101002
- Hexadecimal: 0x4411AB9D4
- Base-36: 8E6RD90
Squares and roots of 18272139732
- 18272139732 squared (182721397322) is 333871090385733031824
- 18272139732 cubed (182721397323) is 6100539216003315736736130831168
-
The
square root of 18272139732 is 135174.4788486347 -
The
cube root of 18272139732 is 2633.8829395727
Scales and comparisons
How big is 18272139732?- 18,272,139,732 seconds is equal to 580 years, 51 weeks, 6 days, 2 hours, 22 minutes, 12 seconds.
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To count from 1 to 18,272,139,732 would take you about one thousand, one hundred sixty-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 18272139732 cubic inches would be around 219.5 feet tall.
Recreational maths with 18272139732
- 18272139732 backwards is 23793127281
- The number of decimal digits it has is: 11
- The sum of 18272139732's digits is 45
- More coming soon!
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