491238428109

Names of 491238428109

• Cardinal: 491238428109 can be written as Four hundred ninety-one billion, two hundred thirty-eight million, four hundred twenty-eight thousand, one hundred nine.

Scientific notation

• Scientific notation: 4.91238428109 × 10¹¹

Factors of 491238428109

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 183

Divisors of 491238428109

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 11 13 19 33 39 57 137 143 169 209 247 361 411 429 507 627 741 1083 1507 1781 1859 2197 2603 2717 3211 3971 4521 4693 5343 5577 6591 7809 8151 9633 11913 14079 18769 19591 23153 24167 28633 33839 35321 41743 49457 51623 56307 58773 61009 69459 72501 85899 101517 105963 125229 148371 154869 183027 206459 243997 254683 300989 356611 372229 439907 459173 544027 619377 642941 671099 731991 764049 793117 902967 1069833 1116687 1319721 1377519 1632081 1928823 2013297 2379351 2683967 3171961 3310879 3922721 4635943 4838977 5718791 6775609 7072351 8051901 8358233 8724287 9515883 9932637 11768163 13907829 14516931 17156373 20326827 21217053 25074699 26172861 34891571 41235493 50995373 60267259 62906701 74531699 88082917 91940563 104674713 108657029 123706479 152986119 180801777 188720103 223595097 264248751 275821689 325971087 453590423 662939849 783474367 968912087 1145077921 1195227319 1360771269 1988819547 2350423101 2906736261 3435233763 3585681957 8618218037 12595857131 14886012973 25854654111 37787571393 44658038919 163746142703 491238428109
• Sum of all divisors σ(n): 822935494080
• Sum of proper divisors (its aliquot sum) s(n): 331697065971
• 491238428109 is a deficient number, because the sum of its proper divisors (331697065971) is less than itself. Its deficiency is 159541362138

Bases of 491238428109

• Binary: 111001001100000000101111000110111001101₂
• Hexadecimal: 0x7260178DCD
• Base-36: 69O6OCZX

Squares and roots of 491238428109

• 491238428109 squared (491238428109²) is 241315193251001161315881
• 491238428109 cubed (491238428109³) is 118543296211441375975346920458499029
• The square root of 491238428109 is 700884.0332815409
• The cube root of 491238428109 is 7890.3713708425

Scales and comparisons

• 491,238,428,109 seconds is equal to 15,619 years, 44 weeks, 5 days, 22 hours, 55 minutes, 9 seconds.
• To count from 1 to 491,238,428,109 would take you about thirty-one thousand, two hundred thirty-nine 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 491238428109 cubic inches would be around 657.5 feet tall.

Recreational maths with 491238428109

• 491238428109 backwards is 901824832194
• The number of decimal digits it has is: 12
• The sum of 491238428109's digits is 51
• More coming soon!