18421377823920

Names of 18421377823920

• Cardinal: 18421377823920 can be written as Eighteen trillion, four hundred twenty-one billion, three hundred seventy-seven million, eight hundred twenty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.842137782392 × 10¹³

Factors of 18421377823920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 32886

Divisors of 18421377823920

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 40 43 48 60 62 80 86 93 120 124 129 155 172 186 215 240 248 258 310 344 372 430 465 496 516 620 645 688 744 860 930 1032 1240 1290 1333 1488 1720 1860 1861 2064 2480 2580 2666 3440 3720 3722 3999 5160 5332 5583 6665 7440 7444 7998 9305 10320 10664 11166 13330 14888 15996 18610 19995 21328 22332 26660 27915 29776 30941 31992 37220 39990 44664 53320 55830 57691 61882 63984 74440 79980 80023 89328 92823 106640 111660 115382 123764 148880 154705 159960 160046 173073 185646 223320 230764 240069 247528 288455 309410 319920 320092 346146 371292 400115 446640 461528 464115 480138 495056 576910 618820 640184 692292 742584 800230 865365 923056 928230 959171 960276 1153820 1200345 1237640 1280368 1330463 1384584 1485168 1600460 1730730 1856460 1918342 1920552 2307640 2400690 2475280 2480713 2660926 2769168 2877513 3200920 3461460 3712920 3836684 3841104 3991389 4615280 4795855 4801380 4961426 5321852 5755026 6401840 6652315 6922920 7425840 7442139 7673368 7982778 9591710 9602760 9922852 10643704 11510052 12403565 13304630 13845840 14387565 14884278 15346736 15965556 19183420 19205520 19845704 19956945 21287408 23020104 24807130 26609260 28775130 29768556 31931112 37210695 38366840 39691408 39913890 41244353 46040208 49614260 53218520 57550260 57581201 59537112 63862224 74421390 76733680 79827780 82488706 99228520 106437040 115100520 115162402 119074224 123733059 148842780 159655560 164977412 172743603 198457040 206221765 230201040 230324804 247466118 287906005 297685560 319311120 329954824 345487206 412443530 460649608 494932236 575812010 595371120 618665295 659909648 690974412 824887060 863718015 921299216 989864472 1151624020 1237330590 1381948824 1649774120 1727436030 1785017231 1979728944 2303248040 2474661180 2475991643 2763897648 3299548240 3454872060 3570034462 4606496080 4949322360 4951983286 5355051693 6909744120 7140068924 7427974929 8925086155 9898644720 9903966572 10710103386 12379958215 13819488240 14280137848 14855949858 17850172310 19807933144 21420206772 24759916430 26775258465 28560275696 29711899716 35700344620 37139874645 39615866288 42840413544 49519832860 53550516930 59423799432 71400689240 74279749290 76755740933 85680827088 99039665720 107101033860 118847598864 142801378480 148559498580 153511481866 198079331440 214202067720 230267222799 297118997160 307022963732 383778704665 428404135440 460534445598 594237994320 614045927464 767557409330 921068891196 1151336113995 1228091854928 1535114818660 1842137782392 2302672227990 3070229637320 3684275564784 4605344455980 6140459274640 9210688911960 18421377823920
• Sum of all divisors σ(n): 60353665118208
• Sum of proper divisors (its aliquot sum) s(n): 41932287294288
• 18421377823920 is an abundant number, because the sum of its proper divisors (41932287294288) is greater than itself. Its abundance is 23510909470368

Bases of 18421377823920

• Binary: 100001100000100001111101011100111010010110000₂
• Hexadecimal: 0x10C10FAE74B0
• Base-36: 6J2NWQAPC

Squares and roots of 18421377823920

• 18421377823920 squared (18421377823920²) is 339347160931611554524166400
• 18421377823920 cubed (18421377823920³) is 6251242264995800498219116868683980288000
• The square root of 18421377823920 is 4292013.2599888365
• The cube root of 18421377823920 is 26410.3427029149

Scales and comparisons

• 18,421,377,823,920 seconds is equal to 585,742 years, 43 weeks, 2 days, 11 hours, 32 minutes.
• To count from 1 to 18,421,377,823,920 would take you about one million, four hundred sixty-four thousand, three hundred fifty-seven 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 18421377823920 cubic inches would be around 2200.9 feet tall.

Recreational maths with 18421377823920

• 18421377823920 backwards is 02932877312481
• The number of decimal digits it has is: 14
• The sum of 18421377823920's digits is 57
• More coming soon!