21075790531840

Names of 21075790531840

• Cardinal: 21075790531840 can be written as Twenty-one trillion, seventy-five billion, seven hundred ninety million, five hundred thirty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.107579053184 × 10¹³

Factors of 21075790531840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3677844

Divisors of 21075790531840

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 37 40 44 55 64 74 80 88 110 121 128 148 160 176 185 220 242 256 296 320 352 370 407 440 484 592 605 640 704 740 814 880 968 1184 1210 1280 1408 1480 1628 1760 1936 2035 2368 2420 2816 2960 3256 3520 3872 4070 4477 4736 4840 5920 6512 7040 7744 8140 8954 9472 9680 11840 13024 14080 15488 16280 17908 19360 22385 23680 26048 30976 32560 35816 38720 44770 47360 52096 65120 71632 77440 89540 104192 130240 143264 154880 179080 260480 286528 358160 520960 573056 716320 1146112 1432640 2865280 3677789 5730560 7355578 14711156 18388945 29422312 36777890 40455679 58844624 73555780 80911358 117689248 136078193 147111560 161822716 202278395 235378496 272156386 294223120 323645432 404556790 445012469 470756992 544312772 588446240 647290864 680390965 809113580 890024938 941513984 1088625544 1176892480 1294581728 1360781930 1496860123 1618227160 1780049876 2177251088 2225062345 2353784960 2589163456 2721563860 2993720246 3236454320 3560099752 4354502176 4450124690 4707569920 5178326912 5443127720 5987440492 6472908640 7120199504 7484300615 8709004352 8900249380 10356653824 10886255440 11974880984 12945817280 14240399008 14968601230 16465461353 17418008704 17800498760 21772510880 23949761968 25891634560 28480798016 29937202460 32930922706 34836017408 35600997520 43545021760 47899523936 51783269120 56961596032 59874404920 65861845412 71201995040 82327306765 87090043520 95799047872 113923192064 119748809840 131723690824 142403990080 164654613530 174180087040 191598095744 239497619680 263447381648 284807980160 329309227060 383196191488 478995239360 526894763296 569615960320 658618454120 957990478720 1053789526592 1317236908240 1915980957440 2107579053184 2634473816480 4215158106368 5268947632960 10537895265920 21075790531840
• Sum of all divisors σ(n): 56989430323560
• Sum of proper divisors (its aliquot sum) s(n): 35913639791720
• 21075790531840 is an abundant number, because the sum of its proper divisors (35913639791720) is greater than itself. Its abundance is 14837849259880

Bases of 21075790531840

• Binary: 100110010101100010111000000100000110100000000₂
• Hexadecimal: 0x132B17020D00
• Base-36: 7GY31ISCG

Squares and roots of 21075790531840

• 21075790531840 squared (21075790531840²) is 444188946541996590053785600
• 21075790531840 cubed (21075790531840³) is 9361633193877795641585140464829333504000
• The square root of 21075790531840 is 4590837.6721291289
• The cube root of 21075790531840 is 27622.3924433375

Scales and comparisons

• 21,075,790,531,840 seconds is equal to 670,144 years, 49 weeks, 1 day, 18 hours, 50 minutes, 40 seconds.
• To count from 1 to 21,075,790,531,840 would take you about one million, six hundred seventy-five thousand, three hundred sixty-two 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 21075790531840 cubic inches would be around 2301.9 feet tall.

Recreational maths with 21075790531840

• 21075790531840 backwards is 04813509757012
• The number of decimal digits it has is: 14
• The sum of 21075790531840's digits is 52
• More coming soon!