12139189920

Names of 12139189920

• Cardinal: 12139189920 can be written as Twelve billion, one hundred thirty-nine million, one hundred eighty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.213918992 × 10¹⁰

Factors of 12139189920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 554

Divisors of 12139189920

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 24 26 30 32 33 36 39 40 44 45 48 52 55 60 65 66 72 78 80 88 90 96 99 104 110 117 120 130 132 143 144 156 160 165 167 176 180 195 198 208 220 234 240 260 264 286 288 312 330 334 352 353 360 390 396 416 429 440 468 480 495 501 520 528 572 585 624 660 668 706 715 720 780 792 835 858 880 936 990 1002 1040 1056 1059 1144 1170 1248 1287 1320 1336 1412 1430 1440 1503 1560 1584 1670 1716 1760 1765 1837 1872 1980 2004 2080 2118 2145 2171 2288 2340 2505 2574 2640 2672 2824 2860 3006 3120 3168 3177 3340 3432 3530 3674 3744 3883 3960 4008 4236 4290 4342 4576 4589 4680 5010 5148 5280 5295 5344 5511 5648 5720 6012 6240 6354 6435 6513 6680 6864 7060 7348 7515 7766 7920 8016 8472 8580 8684 9178 9185 9360 10020 10296 10590 10855 11022 11296 11440 11649 12024 12708 12870 13026 13360 13728 13767 14120 14696 15030 15532 15840 15885 16032 16533 16944 17160 17368 18356 18370 18720 19415 19539 20040 20592 21180 21710 22044 22880 22945 23298 23881 24048 25416 25740 26052 26720 27534 27555 28240 29392 30060 31064 31770 32565 33066 33888 34320 34736 34947 36712 36740 38830 39078 40080 41184 41301 42360 43420 44088 45890 46596 47762 48096 50479 50832 51480 52104 55068 55110 56480 58245 58784 58951 60120 62128 63540 65130 66132 68640 68835 69472 69894 71643 73424 73480 77660 78156 80160 82602 82665 84720 86840 88176 91780 93192 95524 97695 100958 101664 102960 104208 110136 110220 116490 117902 119405 120240 124256 127080 130260 132264 137670 139788 143286 146848 146960 151437 155320 156312 165204 165330 169440 173680 174735 176352 176853 183560 186384 191048 195390 201916 205920 206505 208416 214929 220272 220440 232980 235804 238810 240480 252395 254160 260520 264528 275340 279576 286572 293920 294755 302874 310640 312624 330408 330660 347360 349470 353706 358215 367120 372768 382096 390780 403832 413010 429858 440544 440880 454311 465960 471608 477620 504790 508320 521040 529056 530559 550680 559152 573144 589510 605748 621280 625248 648461 660816 661320 698940 707412 716430 734240 757185 764192 766363 781560 807664 826020 859716 881760 884265 908622 931920 943216 955240 1009580 1042080 1061118 1074645 1101360 1118304 1146288 1179020 1211496 1296922 1321632 1322640 1397880 1414824 1432860 1514370 1532726 1563120 1615328 1652040 1719432 1768530 1817244 1863840 1886432 1910480 1945383 2019160 2122236 2149290 2202720 2271555 2292576 2299089 2358040 2422992 2593844 2645280 2652795 2795760 2829648 2865720 3028740 3065452 3126240 3242305 3304080 3438864 3537060 3634488 3820960 3831815 3890766 4038320 4244472 4298580 4543110 4598178 4716080 4845984 5187688 5305590 5591520 5659296 5731440 5836149 6057480 6130904 6484610 6608160 6877728 6897267 7074120 7268976 7663630 7781532 8076640 8429993 8488944 8597160 9086220 9196356 9432160 9726915 10375376 10611180 11462880 11495445 11672298 12114960 12261808 12969220 13794534 14148240 14537952 15327260 15563064 16859986 16977888 17194320 18172440 18392712 19453830 20750752 21222360 22990890 23344596 24229920 24523616 25289979 25938440 27589068 28296480 29180745 30654520 31126128 33719972 34388640 34486335 36344880 36785424 38907660 42149965 42444720 45981780 46689192 50579958 51876880 55178136 58361490 61309040 62252256 67439944 68972670 72689760 73570848 75869937 77815320 84299930 84889440 91963560 93378384 101159916 103753760 110356272 116722980 122618080 126449895 134879888 137945340 151739874 155630640 168599860 183927120 186756768 202319832 220712544 233445960 252899790 269759776 275890680 303479748 311261280 337199720 367854240 379349685 404639664 466891920 505799580 551781360 606959496 674399440 758699370 809279328 933783840 1011599160 1103562720 1213918992 1348798880 1517398740 2023198320 2427837984 3034797480 4046396640 6069594960 12139189920
• Sum of all divisors σ(n): 49097228544
• Sum of proper divisors (its aliquot sum) s(n): 36958038624
• 12139189920 is an abundant number, because the sum of its proper divisors (36958038624) is greater than itself. Its abundance is 24818848704

Bases of 12139189920

• Binary: 1011010011100011010101011010100000₂
• Hexadecimal: 0x2D38D56A0
• Base-36: 5KRCYW0

Squares and roots of 12139189920

• 12139189920 squared (12139189920²) is 147359931913829606400
• 12139189920 cubed (12139189920³) is 1788830200100246666608447488000
• The square root of 12139189920 is 110177.9919947719
• The cube root of 12139189920 is 2298.2462951845

Scales and comparisons

• 12,139,189,920 seconds is equal to 385 years, 51 weeks, 2 days, 21 hours, 12 minutes.
• To count from 1 to 12,139,189,920 would take you about seven hundred seventy-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 12139189920 cubic inches would be around 191.5 feet tall.

Recreational maths with 12139189920

• 12139189920 backwards is 02998193121
• 12139189920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12139189920's digits is 45
• More coming soon!