21557023230390

Names of 21557023230390

• Cardinal: 21557023230390 can be written as Twenty-one trillion, five hundred fifty-seven billion, twenty-three million, two hundred thirty thousand, three hundred ninety.

Scientific notation

• Scientific notation: 2.155702323039 × 10¹³

Factors of 21557023230390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 414161

Divisors of 21557023230390

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 53917 107834 161751 269585 323502 360197 539170 720394 808755 1080591 1617510 1800985 1994929 2161182 3601970 3989858 5402955 5984787 9974645 10805910 11969574 13327289 19949290 26654578 29923935 39981867 59847870 66636445 79963734 133272890 199909335 399818670 19420741649 38841483298 58262224947 97103708245 116524449894 194207416490 291311124735 582622249470 718567441013 1437134882026 2155702323039 3592837205065 4311404646078 7185674410130 10778511615195 21557023230390
• Sum of all divisors σ(n): 53136282170304
• Sum of proper divisors (its aliquot sum) s(n): 31579258939914
• 21557023230390 is an abundant number, because the sum of its proper divisors (31579258939914) is greater than itself. Its abundance is 10022235709524

Bases of 21557023230390

• Binary: 100111001101100100010101101100100100110110110₂
• Hexadecimal: 0x139B22B649B6
• Base-36: 7N35R1N06

Squares and roots of 21557023230390

• 21557023230390 squared (21557023230390²) is 464705250555574111019552100
• 21557023230390 cubed (21557023230390³) is 10017661881510716564951757507192908319000
• The square root of 21557023230390 is 4642954.1490725493
• The cube root of 21557023230390 is 27831.0503220319

Scales and comparisons

• 21,557,023,230,390 seconds is equal to 685,446 years, 34 weeks, 1 day, 16 hours, 26 minutes, 30 seconds.
• To count from 1 to 21,557,023,230,390 would take you about one million, seven hundred thirteen thousand, six hundred sixteen 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 21557023230390 cubic inches would be around 2319.3 feet tall.

Recreational maths with 21557023230390

• 21557023230390 backwards is 09303232075512
• The number of decimal digits it has is: 14
• The sum of 21557023230390's digits is 42
• More coming soon!