918843161249005742

Names of 918843161249005742

• Cardinal: 918843161249005742 can be written as Nine hundred eighteen quadrillion, eight hundred forty-three trillion, one hundred sixty-one billion, two hundred forty-nine million, five thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 9.18843161249005742 × 10¹⁷

Factors of 918843161249005742

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 643669

Divisors of 918843161249005742

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 19 38 43 86 817 1634 7723 15446 146737 149791 293474 299582 332089 486091 664178 972182 2846029 5692058 6309691 6441013 9235729 12619382 12882026 18471458 20901913 41803826 122379247 244758494 397136347 794272694 1156835893 2313671786 3754080793 7508161586 21979881967 43959763934 49743943399 71327535067 72812056981 99487886798 142655070134 145624113962 161425474099 322850948198 945134924581 1383429082639 1890269849162 2766858165278 3067084007881 3130918450183 6134168015762 6261836900366 59487450553477 118974901106954 562327516064263 1124655032128526 10684222805220997 21368445610441994 24180083190763309 48360166381526618 459421580624502871 918843161249005742
• Sum of all divisors σ(n): 1484749832759255040
• Sum of proper divisors (its aliquot sum) s(n): 565906671510249298
• 918843161249005742 is a deficient number, because the sum of its proper divisors (565906671510249298) is less than itself. Its deficiency is 352936489738756444

Bases of 918843161249005742

• Binary: 110011000000011000101111110010100110100010110100000010101110₂
• Hexadecimal: 0xCC062FCA68B40AE
• Base-36: 6ZBAPSZ09LF2

Squares and roots of 918843161249005742

• 918843161249005742 squared (918843161249005742²) is 844272754974066367234864783548970564
• 918843161249005742 cubed (918843161249005742³) is 775754247136778377696571573654278905018993612624978488
• The square root of 918843161249005742 is 958563071.0855732429
• The cube root of 918843161249005742 is 972181.0000000011

Scales and comparisons

• 918,843,161,249,005,742 seconds is equal to 29,216,370,359 years, 10 weeks, 6 days, 9 hours, 9 minutes, 2 seconds.
• To count from 1 to 918,843,161,249,005,742 would take you about eighty-seven billion, six hundred forty-nine million, one hundred eleven thousand and seventy-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 918843161249005742 cubic inches would be around 81015.1 feet tall.

Recreational maths with 918843161249005742

• 918843161249005742 backwards is 247500942161348819
• The number of decimal digits it has is: 18
• The sum of 918843161249005742's digits is 74
• More coming soon!