21188618242752

Names of 21188618242752

• Cardinal: 21188618242752 can be written as Twenty-one trillion, one hundred eighty-eight billion, six hundred eighteen million, two hundred forty-two thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 2.1188618242752 × 10¹³

Factors of 21188618242752

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 8717

Divisors of 21188618242752

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 92 96 138 184 192 276 368 463 552 736 926 1104 1389 1472 1553 1852 2208 2778 3106 3704 4416 4659 5556 6212 6673 7408 9318 10649 11112 12424 13346 14816 18636 20019 21298 22224 24848 26692 29632 31947 35719 37272 40038 42596 44448 49696 53384 63894 71438 74544 80076 85192 88896 99392 106768 107157 127788 142876 149088 153479 160152 170384 213536 214314 255576 285752 298176 306958 320304 340768 427072 428628 460437 511152 571504 613916 640608 681536 719039 857256 920874 1022304 1143008 1227832 1281216 1438078 1714512 1841748 2044608 2157117 2286016 2455664 2876156 3089599 3429024 3683496 4314234 4911328 5752312 6179198 6858048 7366992 8628468 9268797 9822656 10363169 11504624 12358396 14733984 16537897 17256936 18537594 20726338 23009248 24716792 29467968 31089507 33075794 34513872 37075188 41452676 46018496 49433584 49613691 62179014 66151588 69027744 71060777 74150376 82905352 98867168 99227382 124358028 132303176 138055488 142121554 148300752 165810704 197734336 198454764 213182331 238352887 248716056 264606352 284243108 296601504 331621408 396909528 426364662 476705774 497432112 529212704 568486216 593203008 663242816 715058661 793819056 852729324 953411548 994864224 1058425408 1136972432 1430117322 1587638112 1705458648 1906823096 1989728448 2273944864 2860234644 3175276224 3410917296 3813646192 4547889728 4798147247 5720469288 6821834592 7627292384 9596294494 11440938576 13643669184 14394441741 15254584768 19192588988 22881877152 28788883482 38385177976 45763754304 57577766964 76770355952 110357386681 115155533928 153540711904 220714773362 230311067856 307081423808 331072160043 441429546724 460622135712 662144320086 882859093448 921244271424 1324288640172 1765718186896 2648577280344 3531436373792 5297154560688 7062872747584 10594309121376 21188618242752
• Sum of all divisors σ(n): 58671899854848
• Sum of proper divisors (its aliquot sum) s(n): 37483281612096
• 21188618242752 is an abundant number, because the sum of its proper divisors (37483281612096) is greater than itself. Its abundance is 16294663369344

Bases of 21188618242752

• Binary: 100110100010101011100000100000100101011000000₂
• Hexadecimal: 0x13455C104AC0
• Base-36: 7IDX0879C

Squares and roots of 21188618242752

• 21188618242752 squared (21188618242752²) is 448957543037082852400533504
• 21188618242752 cubed (21188618242752³) is 9512789986616649881203223998391781163008
• The square root of 21188618242752 is 4603109.6274966123
• The cube root of 21188618242752 is 27671.5962338243

Scales and comparisons

• 21,188,618,242,752 seconds is equal to 673,732 years, 27 weeks, 1 hour, 39 minutes, 12 seconds.
• To count from 1 to 21,188,618,242,752 would take you about one million, six hundred eighty-four thousand, three hundred thirty-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 21188618242752 cubic inches would be around 2306 feet tall.

Recreational maths with 21188618242752

• 21188618242752 backwards is 25724281688112
• The number of decimal digits it has is: 14
• The sum of 21188618242752's digits is 57
• More coming soon!