18138955120
18,138,955,120 is an even composite number composed of seven prime numbers multiplied together.
18138955120 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 18138955120:
24 × 5 × 112 × 13 × 17 × 61 × 139
(2 × 2 × 2 × 2 × 5 × 11 × 11 × 13 × 17 × 61 × 139)See below for interesting mathematical facts about the number 18138955120 from the Numbermatics database.
Names of 18138955120
- Cardinal: 18138955120 can be written as Eighteen billion, one hundred thirty-eight million, nine hundred fifty-five thousand, one hundred twenty.
Scientific notation
- Scientific notation: 1.813895512 × 1010
Factors of 18138955120
Divisors of 18138955120
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 4 5 8 10 11 13 16 17 20 22 26 34 40 44 52 55 61 65 68 80 85 88 104 110 121 122 130 136 139 143 170 176 187 208 220 221 242 244 260 272 278 286 305 340 374 440 442 484 488 520 556 572 605 610 671 680 695 715 748 793 880 884 935 968 976 1037 1040 1105 1112 1144 1210 1220 1342 1360 1390 1430 1496 1529 1573 1586 1768 1807 1870 1936 2057 2074 2210 2224 2288 2363 2420 2431 2440 2684 2780 2860 2992 3058 3146 3172 3355 3536 3614 3740 3965 4114 4148 4420 4726 4840 4862 4880 5185 5368 5560 5720 6116 6292 6344 6710 7228 7381 7480 7645 7865 7930 8228 8296 8479 8723 8840 9035 9452 9680 9724 10285 10370 10736 11120 11407 11440 11815 12155 12232 12584 12688 13420 13481 14456 14762 14960 15290 15730 15860 16456 16592 16819 16958 17446 17680 18070 18904 19448 19877 20570 20740 22814 23630 24310 24464 25168 25993 26741 26840 26962 28912 29524 30580 30719 31460 31720 32912 33638 33916 34892 36140 36905 37808 38896 39754 41140 41480 42395 43615 45628 47260 48620 51986 53482 53680 53924 57035 59048 61160 61438 62920 63440 67276 67405 67832 69784 72280 73810 79508 82280 82960 84095 84790 87230 91256 93269 94520 95953 97240 99385 103972 106964 107848 110227 114070 118096 122320 122876 125477 125840 129965 133705 134552 134810 135664 139568 144143 144560 147620 148291 153595 159016 164560 168190 169580 174460 182512 186538 189040 191906 194480 198770 207944 213928 215696 218647 220454 228140 245752 250954 259930 267410 269104 269620 285923 288286 295240 296582 307190 318032 336380 337909 339160 348920 373076 383812 397540 415888 427856 437294 440908 456280 466345 479765 491504 501908 519860 534820 539240 551135 571846 576572 590480 593164 614380 627385 672760 675818 678320 697840 720715 741455 746152 767624 795080 874588 881816 912560 932690 959530 1003816 1025959 1039720 1069640 1078480 1093235 1102270 1143692 1153144 1186328 1212497 1228760 1254770 1345520 1351636 1429615 1441430 1482910 1492304 1535248 1585573 1590160 1631201 1689545 1749176 1763632 1865380 1873859 1919060 2007632 2051918 2079440 2139280 2186470 2204540 2287384 2306288 2372656 2424994 2457520 2509540 2703272 2859230 2882860 2965820 3171146 3262402 3379090 3498352 3716999 3730760 3747718 3838120 4103836 4372940 4409080 4574768 4849988 5019080 5129795 5406544 5718460 5765720 5931640 6062485 6342292 6524804 6758180 7433998 7461520 7495436 7676240 7927865 8156005 8207672 8745880 8818160 9369295 9699976 10038160 10259590 11436920 11531440 11863280 12124970 12684584 13049608 13337467 13516360 14867996 14990872 15855730 16312010 16415344 17441303 17491760 18584995 18738590 19399952 20519180 20612449 22873840 24249940 25369168 26099216 26674934 27032720 29735992 29981744 31711460 32624020 34882606 37169990 37477180 41038360 41224898 48499880 53349868 59471984 63422920 65248040 66687335 69765212 74339980 74954360 82076720 82449796 87206515 96999760 103062245 106699736 126845840 130496080 133374670 139530424 148679960 149908720 164899592 174413030 206124490 213399472 226736939 266749340 279060848 297359920 329799184 348826060 412248980 453473878 533498680 697652120 824497960 906947756 1066997360 1133684695 1395304240 1648995920 1813895512 2267369390 3627791024 4534738780 9069477560 18138955120
- Sum of all divisors σ(n): 54110911680
- Sum of proper divisors (its aliquot sum) s(n): 35971956560
- 18138955120 is an abundant number, because the sum of its proper divisors (35971956560) is greater than itself. Its abundance is 17833001440
Bases of 18138955120
- Binary: 100001110010010101001111101011100002
- Hexadecimal: 0x4392A7D70
- Base-36: 8BZGRCG
Squares and roots of 18138955120
- 18138955120 squared (181389551202) is 329021692845374214400
- 18138955120 cubed (181389551203) is 5968109720028667974606857728000
-
The
square root of 18138955120 is 134680.9382206703 -
The
cube root of 18138955120 is 2627.4679191557
Scales and comparisons
How big is 18138955120?- 18,138,955,120 seconds is equal to 576 years, 39 weeks, 4 days, 14 hours, 38 minutes, 40 seconds.
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To count from 1 to 18,138,955,120 would take you about one thousand, one hundred fifty-three 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 18138955120 cubic inches would be around 219 feet tall.
Recreational maths with 18138955120
- 18138955120 backwards is 02155983181
- The number of decimal digits it has is: 11
- The sum of 18138955120's digits is 43
- More coming soon!
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