21389808214317552

Names of 21389808214317552

• Cardinal: 21389808214317552 can be written as Twenty-one quadrillion, three hundred eighty-nine trillion, eight hundred eight billion, two hundred fourteen million, three hundred seventeen thousand, five hundred fifty-two.

Scientific notation

• Scientific notation: 2.1389808214317552 × 10¹⁶

Factors of 21389808214317552

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7160925

Divisors of 21389808214317552

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 48 269 401 538 577 802 807 1076 1154 1203 1604 1614 1731 2152 2308 2406 3208 3228 3462 4304 4616 4812 6416 6456 6924 9232 9624 12912 13848 19248 27696 107869 155213 215738 231377 310426 323607 431476 462754 465639 620852 647214 694131 862952 925508 931278 1241704 1294428 1388262 1725904 1851016 1862556 2483408 2588856 2776524 3702032 3725112 5177712 5553048 7159673 7450224 11106096 14319346 21479019 28638692 42958038 57277384 62240413 85916076 114554768 124480826 171832152 186721239 248961652 343664304 373442478 497923304 746884956 995846608 1493769912 1925952037 2871028873 2987539824 3851904074 4131131321 5742057746 5777856111 7703808148 8262262642 8613086619 11484115492 11555712222 12393393963 15407616296 16524525284 17226173238 22968230984 23111424444 24786787926 30815232592 33049050568 34452346476 45936461968 46222848888 49573575852 66098101136 68904692952 92445697776 99147151704 137809385904 198294303408 772306766837 1111274325349 1544613533674 1656583659721 2222548650698 2316920300511 3089227067348 3313167319442 3333822976047 4445097301396 4633840601022 4969750979163 6178454134696 6626334638884 6667645952094 8890194602792 9267681202044 9939501958326 12356908269392 13252669277768 13335291904188 17780389205584 18535362404088 19879003916652 26505338555536 26670583808376 37070724808176 39758007833304 53341167616752 79516015666608 445621004464949 891242008929898 1336863013394847 1782484017859796 2673726026789694 3564968035719592 5347452053579388 7129936071439184 10694904107158776 21389808214317552
• Sum of all divisors σ(n): 55697100735885120
• Sum of proper divisors (its aliquot sum) s(n): 34307292521567568
• 21389808214317552 is an abundant number, because the sum of its proper divisors (34307292521567568) is greater than itself. Its abundance is 12917484307250016

Bases of 21389808214317552

• Binary: 1001011111111011110101011010000011011011001100111110000₂
• Hexadecimal: 0x4BFDEAD06D99F0
• Base-36: 5UM1Y8MBLYO

Squares and roots of 21389808214317552

• 21389808214317552 squared (21389808214317552²) is 457523895445286622552045095272704
• 21389808214317552 cubed (21389808214317552³) is 9786348377042156614694493478927143613284693700608
• The square root of 21389808214317552 is 146252549.4284374927
• The cube root of 21389808214317552 is 277589.0284453687

Scales and comparisons

• 21,389,808,214,317,552 seconds is equal to 680,129,738 years, 10 weeks, 17 hours, 59 minutes, 12 seconds.
• To count from 1 to 21,389,808,214,317,552 would take you about two billion, forty million, three hundred eighty-nine thousand, two 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 21389808214317552 cubic inches would be around 23132.4 feet tall.

Recreational maths with 21389808214317552

• 21389808214317552 backwards is 25571341280898312
• The number of decimal digits it has is: 17
• The sum of 21389808214317552's digits is 69
• More coming soon!