818139979998

Names of 818139979998

• Cardinal: 818139979998 can be written as Eight hundred eighteen billion, one hundred thirty-nine million, nine hundred seventy-nine thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 8.18139979998 × 10¹¹

Factors of 818139979998

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 106

Divisors of 818139979998

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 6 9 11 18 22 31 33 59 62 66 93 99 118 121 177 186 198 242 279 341 354 363 531 558 649 682 726 1023 1062 1089 1298 1829 1947 2046 2178 3069 3481 3658 3751 3894 5487 5841 6138 6962 7139 7502 10443 10974 11253 11682 14278 16461 20119 20886 21417 22506 31329 32922 33759 38291 40238 42834 60357 62658 64251 67518 76582 107911 114873 120714 128502 181071 205379 215822 221309 229746 323733 344619 362142 410758 421201 442618 616137 647466 663927 689238 842402 971199 1187021 1232274 1263603 1327854 1848411 1942398 1991781 2259169 2374042 2527206 3561063 3696822 3790809 3983562 4518338 6366749 6777507 7122126 7581618 10683189 12117361 12733498 13057231 13555014 19100247 20332521 21366378 24234722 24850859 26114462 36352083 38200494 39171693 40665042 49701718 57300741 70034239 72704166 74552577 78343386 109056249 114601482 117515079 133290971 140068478 149105154 210102717 218112498 223657731 235030158 266581942 375638191 399872913 420205434 447315462 630308151 751276382 770376629 799745826 1126914573 1199618739 1260616302 1466200681 1540753258 2253829146 2311129887 2399237478 2932401362 3380743719 4132020101 4398602043 4622259774 6761487438 6933389661 8264040202 8797204086 12396060303 13195806129 13866779322 24792120606 26391612258 37188180909 45452221111 74376361818 90904442222 136356663333 272713326666 409069989999 818139979998
• Sum of all divisors σ(n): 2045965425504
• Sum of proper divisors (its aliquot sum) s(n): 1227825445506
• 818139979998 is an abundant number, because the sum of its proper divisors (1227825445506) is greater than itself. Its abundance is 409685465508

Bases of 818139979998

• Binary: 1011111001111100111100010110000011011110₂
• Hexadecimal: 0xBE7CF160DE
• Base-36: AFUJF4RI

Squares and roots of 818139979998

• 818139979998 squared (818139979998²) is 669353026871127840080004
• 818139979998 cubed (818139979998³) is 547624472015945287606755415279759992
• The square root of 818139979998 is 904510.9065113587
• The cube root of 818139979998 is 9352.8191904785

Scales and comparisons

• 818,139,979,998 seconds is equal to 26,014 years, 16 weeks, 4 days, 17 hours, 33 minutes, 18 seconds.
• To count from 1 to 818,139,979,998 would take you about fifty-two thousand and twenty-eight 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 818139979998 cubic inches would be around 779.4 feet tall.

Recreational maths with 818139979998

• 818139979998 backwards is 899979931818
• The number of decimal digits it has is: 12
• The sum of 818139979998's digits is 81
• More coming soon!