79918629021

Names of 79918629021

• Cardinal: 79918629021 can be written as Seventy-nine billion, nine hundred eighteen million, six hundred twenty-nine thousand and twenty-one.

Scientific notation

• Scientific notation: 7.9918629021 × 10¹⁰

Factors of 79918629021

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 52

Divisors of 79918629021

• Number of divisors d(n): 180
• Complete list of divisors:
  1 3 7 9 11 21 27 31 33 49 63 77 81 93 99 147 189 217 231 243 279 297 341 441 539 567 651 693 729 837 891 1023 1323 1519 1617 1701 1953 2079 2187 2387 2511 2673 3069 3969 4557 4851 5103 5859 6237 6561 7161 7533 8019 9207 11907 13671 14553 15309 16709 17577 18711 19683 21483 22599 24057 27621 35721 41013 43659 45927 50127 52731 56133 59049 64449 67797 72171 82863 107163 123039 130977 137781 150381 158193 168399 177147 193347 203391 216513 248589 321489 369117 392931 413343 451143 474579 505197 531441 580041 610173 649539 745767 964467 1107351 1178793 1240029 1353429 1423737 1515591 1594323 1740123 1830519 1948617 2237301 2893401 3322053 3536379 3720087 4060287 4271211 4546773 4782969 5220369 5491557 5845851 6711903 8680203 9966159 10609137 11160261 12180861 12813633 13640319 15661107 16474671 17537553 20135709 26040609 29898477 31827411 33480783 36542583 38440899 40920957 46983321 49424013 52612659 60407127 78121827 89695431 95482233 109627749 115322697 122762871 140949963 148272039 181221381 234365481 269086293 286446699 328883247 345968091 368288613 422849889 543664143 807258879 859340097 986649741 1037904273 1268549667 1630992429 2421776637 2578020291 2959949223 3805649001 7265329911 8879847669 11416947003 26639543007 79918629021
• Sum of all divisors σ(n): 157034427264
• Sum of proper divisors (its aliquot sum) s(n): 77115798243
• 79918629021 is a deficient number, because the sum of its proper divisors (77115798243) is less than itself. Its deficiency is 2802830778

Bases of 79918629021

• Binary: 1001010011011100001011000000010011101₂
• Hexadecimal: 0x129B85809D
• Base-36: 10PPHKT9

Squares and roots of 79918629021

• 79918629021 squared (79918629021²) is 6386987264596223418441
• 79918629021 cubed (79918629021³) is 510439265761117146736018729176261
• The square root of 79918629021 is 282698.8309508903
• The cube root of 79918629021 is 4307.4079806379

Scales and comparisons

• 79,918,629,021 seconds is equal to 2,541 years, 8 weeks, 4 days, 3 hours, 10 minutes, 21 seconds.
• To count from 1 to 79,918,629,021 would take you about five thousand and 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 79918629021 cubic inches would be around 359 feet tall.

Recreational maths with 79918629021

• 79918629021 backwards is 12092681997
• The number of decimal digits it has is: 11
• The sum of 79918629021's digits is 54
• More coming soon!