18239665920

Names of 18239665920

• Cardinal: 18239665920 can be written as Eighteen billion, two hundred thirty-nine million, six hundred sixty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.823966592 × 10¹⁰

Factors of 18239665920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 160

Divisors of 18239665920

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 31 32 35 40 42 48 49 53 56 59 60 62 64 70 80 84 93 96 98 105 106 112 118 120 124 128 140 147 155 159 160 168 177 186 192 196 210 212 217 224 236 240 245 248 256 265 280 294 295 310 318 320 336 354 371 372 384 392 413 420 424 434 448 465 472 480 490 496 530 560 588 590 620 636 640 651 672 708 735 742 744 768 784 795 826 840 848 868 885 896 930 944 960 980 992 1060 1085 1113 1120 1176 1180 1239 1240 1272 1280 1302 1344 1416 1470 1484 1488 1519 1568 1590 1643 1652 1680 1696 1736 1770 1792 1829 1855 1860 1888 1920 1960 1984 2065 2120 2170 2226 2240 2352 2360 2478 2480 2544 2597 2604 2688 2832 2891 2940 2968 2976 3038 3127 3136 3180 3255 3286 3304 3360 3392 3472 3540 3658 3710 3720 3776 3840 3920 3968 4130 4240 4340 4452 4480 4557 4704 4720 4929 4956 4960 5088 5194 5208 5376 5487 5565 5664 5782 5880 5936 5952 6076 6195 6254 6272 6360 6510 6572 6608 6720 6784 6944 7080 7316 7420 7440 7552 7595 7791 7840 7936 8215 8260 8480 8673 8680 8904 8960 9114 9145 9381 9408 9440 9858 9912 9920 10176 10388 10416 10974 11130 11328 11501 11564 11760 11872 11904 12152 12390 12508 12544 12720 12803 12985 13020 13144 13216 13440 13568 13888 14160 14455 14632 14840 14880 15104 15190 15582 15635 15680 16430 16520 16960 17346 17360 17808 18228 18290 18762 18816 18880 19716 19824 19840 20352 20776 20832 21889 21948 22260 22656 22785 23002 23128 23520 23744 23808 24304 24645 24780 25016 25440 25606 25970 26040 26288 26432 26880 27435 27776 28320 28910 29264 29680 29760 30380 31164 31270 31360 32860 33040 33920 34503 34692 34720 35616 36456 36580 37524 37632 37760 38409 38955 39432 39648 39680 40704 41552 41664 43365 43778 43896 44520 45312 45570 46004 46256 46905 47040 47488 48608 49290 49560 50032 50880 51212 51940 52080 52576 52864 54870 55552 56640 57505 57820 58528 59360 59520 60760 62328 62540 62720 64015 65667 65720 66080 67840 69006 69384 69440 71232 72912 73160 75048 75520 76818 77910 78864 79296 80507 83104 83328 86730 87556 87792 89040 89621 91140 92008 92512 93810 94080 94976 96937 97216 98580 99120 100064 101760 102424 103880 104160 105152 105728 109445 109740 113280 115010 115640 117056 118720 119040 121520 124656 125080 128030 131334 131440 132160 138012 138768 138880 142464 145824 146320 150096 153223 153636 155820 157728 158592 161014 166208 166656 172515 173460 175112 175584 178080 179242 182280 184016 185024 187620 188160 192045 193874 194432 197160 198240 200128 203520 204848 207760 208320 210304 218890 219480 226560 230020 231280 234112 237440 241521 243040 249312 250160 256060 262668 262880 264320 268863 276024 277536 277760 284928 290811 291648 292640 300192 306446 307272 311640 315456 317184 322028 328335 332416 345030 346920 350224 351168 356160 358484 364560 368032 370048 375240 384090 387748 388864 394320 396480 400256 402535 409696 415520 416640 420608 437780 438960 448105 459669 460040 462560 468224 474880 483042 484685 486080 498624 500320 512120 525336 525760 528640 537726 552048 555072 581622 583296 585280 600384 612892 614544 623280 630912 644056 656670 664832 678559 690060 693840 700448 702336 712320 716968 729120 736064 740096 750480 766115 768180 775496 788640 792960 800512 805070 819392 831040 833280 875560 877920 896210 919338 920080 925120 966084 969370 972160 997248 1000640 1024240 1050672 1051520 1075452 1104096 1110144 1163244 1166592 1170560 1200768 1207605 1225784 1229088 1246560 1261824 1288112 1313340 1344315 1357118 1380120 1387680 1400896 1404672 1424640 1433936 1454055 1458240 1472128 1500960 1532230 1536360 1550992 1577280 1585920 1610140 1638784 1662080 1751120 1755840 1792420 1838676 1840160 1850240 1932168 1938740 1944320 1994496 2001280 2035677 2048480 2101344 2103040 2150904 2208192 2220288 2298345 2326488 2341120 2401536 2415210 2451568 2458176 2493120 2576224 2626680 2688630 2714236 2760240 2775360 2801792 2867872 2908110 2916480 2944256 3001920 3064460 3072720 3101984 3154560 3220280 3277568 3324160 3392795 3502240 3511680 3584840 3677352 3680320 3700480 3864336 3877480 4002560 4071354 4096960 4202688 4301808 4416384 4596690 4652976 4749913 4830420 4903136 4916352 4986240 5152448 5253360 5377260 5428472 5520480 5550720 5603584 5735744 5816220 5832960 6003840 6128920 6145440 6203968 6309120 6440560 6785590 7004480 7023360 7169680 7354704 7360640 7728672 7754960 8142708 8193920 8405376 8603616 8832768 9193380 9305952 9499826 9660840 9806272 9832704 9972480 10178385 10304896 10506720 10754520 10856944 11040960 11101440 11471488 11632440 12007680 12257840 12290880 12407936 12881120 13571180 14008960 14249739 14339360 14709408 14721280 15457344 15509920 16285416 16387840 16810752 17207232 18386760 18611904 18999652 19321680 19612544 20356770 20609792 21013440 21509040 21713888 22081920 22942976 23264880 23749565 24515680 24581760 24815872 25762240 27142360 28017920 28499478 28678720 29418816 30914688 31019840 32570832 34414464 36773520 37223808 37999304 38643360 39225088 40713540 42026880 43018080 43427776 44163840 46529760 47499130 49031360 49163520 51524480 54284720 56998956 57357440 58837632 61829376 62039680 65141664 68828928 71248695 73547040 74447616 75998608 77286720 81427080 84053760 86036160 86855552 93059520 94998260 98062720 103048960 108569440 113997912 114714880 117675264 124079360 130283328 142497390 147094080 151997216 154573440 162854160 172072320 173711104 186119040 189996520 196125440 217138880 227995824 260566656 284994780 294188160 303994432 309146880 325708320 344144640 372238080 379993040 434277760 455991648 521133312 569989560 588376320 607988864 651416640 759986080 868555520 911983296 1139979120 1215977728 1302833280 1519972160 1823966592 2279958240 2605666560 3039944320 3647933184 4559916480 6079888640 9119832960 18239665920
• Sum of all divisors σ(n): 72477296640
• Sum of proper divisors (its aliquot sum) s(n): 54237630720
• 18239665920 is an abundant number, because the sum of its proper divisors (54237630720) is greater than itself. Its abundance is 35997964800

Bases of 18239665920

• Binary: 10000111111001010110011011100000000₂
• Hexadecimal: 0x43F2B3700
• Base-36: 8DNFCAO

Squares and roots of 18239665920

• 18239665920 squared (18239665920²) is 332685412873209446400
• 18239665920 cubed (18239665920³) is 6068070787264607620524146688000
• The square root of 18239665920 is 135054.3072989529
• The cube root of 18239665920 is 2632.3216748839

Scales and comparisons

• 18,239,665,920 seconds is equal to 579 years, 50 weeks, 1 day, 5 hours, 52 minutes.
• To count from 1 to 18,239,665,920 would take you about one thousand, one hundred fifty-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 18239665920 cubic inches would be around 219.4 feet tall.

Recreational maths with 18239665920

• 18239665920 backwards is 02956693281
• The number of decimal digits it has is: 11
• The sum of 18239665920's digits is 51
• More coming soon!