16491892406660121

Names of 16491892406660121

• Cardinal: 16491892406660121 can be written as Sixteen quadrillion, four hundred ninety-one trillion, eight hundred ninety-two billion, four hundred six million, six hundred sixty thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.6491892406660121 × 10¹⁶

Factors of 16491892406660121

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 25646612

Divisors of 16491892406660121

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 11 33 61 113 121 183 257 339 363 671 771 1243 2013 2827 3729 6893 7381 8481 13673 15677 20679 22143 29041 31097 41019 47031 75823 87123 93291 172447 227469 319451 517341 834053 958353 1771501 1896917 2502159 3513961 5314503 5690751 10541883 19486511 25646167 58459533 76938501 214351621 282107837 643054863 846323511 1564416187 2898016871 3103186207 4693248561 6591064919 8694050613 9309558621 17208578057 19773194757 31878185581 51625734171 72501714109 95634556743 176779029131 189294358627 217505142327 350660041391 402054960059 530337087393 567883075881 744790335847 797518855199 1051980124173 1206164880177 1944569320441 2234371007541 2392556565597 4422604560649 5833707961323 8192693694317 13267813681947 21390262524851 24578081082951 45432210486667 48648650167139 64170787574553 90119630637487 136296631460001 145945950501417 270358891912461 499754315353337 1499262946060011 5497297468886707 16491892406660121
• Sum of all divisors σ(n): 24879999194636544
• Sum of proper divisors (its aliquot sum) s(n): 8388106787976423
• 16491892406660121 is a deficient number, because the sum of its proper divisors (8388106787976423) is less than itself. Its deficiency is 8103785618683698

Bases of 16491892406660121

• Binary: 111010100101110100100111101100100100101010110000011001₂
• Hexadecimal: 0x3A9749EC92AC19
• Base-36: 4IDVYS2VQXL

Squares and roots of 16491892406660121

• 16491892406660121 squared (16491892406660121²) is 271982515152853757850318011734641
• 16491892406660121 cubed (16491892406660121³) is 4485506376393670188205439477897454571260528951561
• The square root of 16491892406660121 is 128420763.1446726803
• The cube root of 16491892406660121 is 254540.4636980045

Scales and comparisons

• 16,491,892,406,660,121 seconds is equal to 524,391,165 years, 39 weeks, 3 days, 8 hours, 15 minutes, 21 seconds.
• To count from 1 to 16,491,892,406,660,121 would take you about one billion, five hundred seventy-three million, one hundred seventy-three thousand, four hundred ninety-seven 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 16491892406660121 cubic inches would be around 21211.7 feet tall.

Recreational maths with 16491892406660121

• 16491892406660121 backwards is 12106660429819461
• The number of decimal digits it has is: 17
• The sum of 16491892406660121's digits is 66
• More coming soon!