21729555061329024

Names of 21729555061329024

• Cardinal: 21729555061329024 can be written as Twenty-one quadrillion, seven hundred twenty-nine trillion, five hundred fifty-five billion, sixty-one million, three hundred twenty-nine thousand and twenty-four.

Scientific notation

• Scientific notation: 2.1729555061329024 × 10¹⁶

Factors of 21729555061329024

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 207279791132

Divisors of 21729555061329024

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 32 36 39 42 48 52 56 63 64 72 78 84 91 96 104 112 117 126 128 144 156 168 182 192 208 224 234 252 273 288 312 336 364 384 416 448 468 504 546 576 624 672 728 819 832 896 936 1008 1092 1152 1248 1344 1456 1638 1664 1872 2016 2184 2496 2688 2912 3276 3744 4032 4368 4992 5824 6552 7488 8064 8736 11648 13104 14976 17472 26208 34944 52416 104832 207279791107 414559582214 621839373321 829119164428 1243678746642 1450958537749 1658238328856 1865518119963 2487357493284 2694637284391 2901917075498 3316476657712 3731036239926 4352875613247 4974714986568 5389274568782 5803834150996 6632953315424 7462072479852 8083911853173 8705751226494 9949429973136 10778549137564 11607668301992 13058626839741 13265906630848 14924144959704 16167823706346 17411502452988 18862460990737 19898859946272 21557098275128 23215336603984 24251735559519 26117253679482 26531813261696 29848289919408 32335647412692 34823004905976 37724921981474 39797719892544 43114196550256 46430673207968 48503471119038 52234507358964 56587382972211 59696579838816 64671294825384 69646009811952 75449843962948 79595439785088 86228393100512 92861346415936 97006942238076 104469014717928 113174765944422 119393159677632 129342589650768 139292019623904 150899687925896 169762148916633 172456786201024 185722692831872 194013884476152 208938029435856 226349531888844 238786319355264 258685179301536 278584039247808 301799375851792 339524297833266 344913572402048 388027768952304 417876058871712 452699063777688 517370358603072 557168078495616 603598751703584 679048595666532 776055537904608 835752117743424 905398127555376 1034740717206144 1207197503407168 1358097191333064 1552111075809216 1671504235486848 1810796255110752 2414395006814336 2716194382666128 3104222151618432 3621592510221504 5432388765332256 7243185020443008 10864777530664512 21729555061329024
• Sum of all divisors σ(n): 76958840842578240
• Sum of proper divisors (its aliquot sum) s(n): 55229285781249216
• 21729555061329024 is an abundant number, because the sum of its proper divisors (55229285781249216) is greater than itself. Its abundance is 33499730719920192

Bases of 21729555061329024

• Binary: 1001101001100101110101001001010100011101100110010000000₂
• Hexadecimal: 0x4D32EA4A8ECC80
• Base-36: 5XYHFSB1280

Squares and roots of 21729555061329024

• 21729555061329024 squared (21729555061329024²) is 472173563163329803969889184792576
• 21729555061329024 cubed (21729555061329024³) is 10260121439261492745912294852440072875164328525824
• The square root of 21729555061329024 is 147409480.9071961423
• The cube root of 21729555061329024 is 279051.0180265751

Scales and comparisons

• 21,729,555,061,329,024 seconds is equal to 690,932,637 years, 1 week, 1 day, 11 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,729,555,061,329,024 would take you about two billion, seventy-two million, seven hundred ninety-seven thousand, nine hundred eleven 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 21729555061329024 cubic inches would be around 23254.3 feet tall.

Recreational maths with 21729555061329024

• 21729555061329024 backwards is 42092316055592712
• 21729555061329024 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21729555061329024's digits is 63
• More coming soon!