20161018012

Names of 20161018012

• Cardinal: 20161018012 can be written as Twenty billion, one hundred sixty-one million, eighteen thousand and twelve.

Scientific notation

• Scientific notation: 2.0161018012 × 10¹⁰

Factors of 20161018012

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 232

Divisors of 20161018012

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 17 34 43 61 68 86 109 122 172 218 244 289 436 578 731 1037 1156 1462 1853 2074 2623 2924 3706 3721 4148 4687 5246 6649 7412 7442 9374 10492 12427 13298 14884 17629 18748 24854 26596 31501 35258 44591 49708 63002 63257 70516 79679 89182 113033 126004 126514 159358 160003 178364 226066 253028 285907 318716 320006 405589 452132 571814 640012 758047 811178 1075369 1143628 1354543 1516094 1622356 1921561 2150738 2709086 2720051 3032188 3843122 4301476 4860419 5418172 5440102 6895013 7686244 9720838 10880204 13790026 17440327 19441676 27580052 34880654 46240867 69761308 82627123 92481734 117215221 165254246 184963468 234430442 296485559 330508492 468860884 592971118 1185942236 5040254503 10080509006 20161018012
• Sum of all divisors σ(n): 39347588280
• Sum of proper divisors (its aliquot sum) s(n): 19186570268
• 20161018012 is a deficient number, because the sum of its proper divisors (19186570268) is less than itself. Its deficiency is 974447744

Bases of 20161018012

• Binary: 10010110001101100001011100010011100₂
• Hexadecimal: 0x4B1B0B89C
• Base-36: 99FCL24

Squares and roots of 20161018012

• 20161018012 squared (20161018012²) is 406466647280188432144
• 20161018012 cubed (20161018012³) is 8194781397093129791209223777728
• The square root of 20161018012 is 141989.4996540237
• The cube root of 20161018012 is 2721.6826567705

Scales and comparisons

• 20,161,018,012 seconds is equal to 641 years, 3 weeks, 2 hours, 46 minutes, 52 seconds.
• To count from 1 to 20,161,018,012 would take you about one thousand, two hundred eighty-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 20161018012 cubic inches would be around 226.8 feet tall.

Recreational maths with 20161018012

• 20161018012 backwards is 21081016102
• The number of decimal digits it has is: 11
• The sum of 20161018012's digits is 22
• More coming soon!