21382132715840

Names of 21382132715840

• Cardinal: 21382132715840 can be written as Twenty-one trillion, three hundred eighty-two billion, one hundred thirty-two million, seven hundred fifteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.138213271584 × 10¹³

Factors of 21382132715840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 981142

Divisors of 21382132715840

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 31 32 40 52 62 64 65 80 104 124 130 155 160 169 208 248 260 310 320 338 403 416 496 520 620 676 806 832 845 992 1040 1240 1352 1612 1690 1984 2015 2080 2197 2480 2704 3224 3380 4030 4160 4394 4960 5239 5408 6448 6760 8060 8788 9920 10478 10816 10985 12896 13520 16120 17576 20956 21970 25792 26195 27040 32240 35152 41912 43940 52390 54080 64480 68107 70304 83824 87880 104780 128960 136214 140608 167648 175760 209560 272428 335296 340535 351520 419120 544856 681070 703040 838240 981091 1089712 1362140 1676480 1962182 2179424 2724280 3924364 4358848 4905455 5448560 7848728 9810910 10897120 12754183 15697456 19621820 21794240 25508366 30413821 31394912 39243640 51016732 60827642 62789824 63770915 78487280 102033464 121655284 127541830 152069105 156974560 165804379 204066928 243310568 255083660 304138210 313949120 331608758 395379673 408133856 486621136 510167320 608276420 663217516 790759346 816267712 829021895 973242272 1020334640 1216552840 1326435032 1581518692 1658043790 1946484544 1976898365 2040669280 2155456927 2433105680 2652870064 3163037384 3316087580 3953796730 4081338560 4310913854 4866211360 5139935749 5305740128 6326074768 6632175160 7907593460 8621827708 9732422720 10279871498 10611480256 10777284635 12652149536 13264350320 15815186920 17243655416 20559742996 21554569270 25304299072 25699678745 26528700640 31630373840 34487310832 41119485992 43109138540 51399357490 53057401280 63260747680 66819164737 68974621664 82238971984 86218277080 102798714980 126521495360 133638329474 137949243328 164477943968 172436554160 205597429960 267276658948 328955887936 334095823685 344873108320 411194859920 534553317896 668191647370 689746216640 822389719840 1069106635792 1336383294740 1644779439680 2138213271584 2672766589480 4276426543168 5345533178960 10691066357920 21382132715840
• Sum of all divisors σ(n): 56936614640640
• Sum of proper divisors (its aliquot sum) s(n): 35554481924800
• 21382132715840 is an abundant number, because the sum of its proper divisors (35554481924800) is greater than itself. Its abundance is 14172349208960

Bases of 21382132715840

• Binary: 100110111001001101010011011001101000101000000₂
• Hexadecimal: 0x13726A6CD140
• Base-36: 7KUTDQYBK

Squares and roots of 21382132715840

• 21382132715840 squared (21382132715840²) is 457195599477795254186905600
• 21382132715840 cubed (21382132715840³) is 9775816985132247124182922967893704704000
• The square root of 21382132715840 is 4624081.8240857287
• The cube root of 21382132715840 is 27755.5821211869

Scales and comparisons

• 21,382,132,715,840 seconds is equal to 679,885 years, 35 weeks, 2 days, 21 hours, 57 minutes, 20 seconds.
• To count from 1 to 21,382,132,715,840 would take you about one million, six hundred ninety-nine thousand, seven hundred fourteen 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 21382132715840 cubic inches would be around 2313 feet tall.

Recreational maths with 21382132715840

• 21382132715840 backwards is 04851723128312
• The number of decimal digits it has is: 14
• The sum of 21382132715840's digits is 47
• More coming soon!