9994123139

Names of 9994123139

• Cardinal: 9994123139 can be written as Nine billion, nine hundred ninety-four million, one hundred twenty-three thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 9.994123139 × 10⁹

Factors of 9994123139

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 171

Divisors of 9994123139

• Number of divisors d(n): 192
• Complete list of divisors:
  1 7 11 13 19 23 31 67 77 91 121 133 143 161 209 217 247 253 299 341 403 437 469 589 713 737 847 871 1001 1273 1463 1541 1573 1729 1771 2077 2093 2299 2387 2717 2783 2821 3059 3289 3751 4123 4433 4807 4991 5159 5681 6097 6479 7657 7843 8107 8911 9269 9581 10787 11011 13547 14003 14539 16093 16549 16951 19019 19481 20033 22847 23023 26257 27001 29279 29887 31031 33649 36179 39463 39767 45353 47771 48763 52877 53599 54901 56749 62491 64883 67067 71269 84227 86273 94829 98021 101959 105391 115843 118657 140231 149017 154033 159929 176111 182039 186461 189007 204953 209209 220363 251317 253253 276241 297011 322069 334397 341341 370139 380627 434093 437437 498883 513019 525481 589589 603911 621023 687401 713713 737737 907649 926497 1043119 1078231 1121549 1232777 1274273 1305227 1542541 1639187 1759219 1937221 2002429 2079077 2254483 2423993 2664389 3038651 3267121 3542759 3591133 3678367 4186897 4347161 4775023 4811807 5643209 5780291 6353543 6485479 6831253 7850843 9984139 11474309 11799437 13560547 14017003 16967951 21309431 22869847 24799313 29308279 33425161 39502463 40462037 46055867 47818771 62075299 69888973 75143783 82596059 109825529 129793807 149166017 322391069 434527093 526006481 768778703 908556649 1427731877 9994123139
• Sum of all divisors σ(n): 15558574080
• Sum of proper divisors (its aliquot sum) s(n): 5564450941
• 9994123139 is a deficient number, because the sum of its proper divisors (5564450941) is less than itself. Its deficiency is 4429672198

Bases of 9994123139

• Binary: 1001010011101100100011011110000011₂
• Hexadecimal: 0x253B23783
• Base-36: 4LA8QRN

Squares and roots of 9994123139

• 9994123139 squared (9994123139²) is 99882497317495213321
• 9994123139 cubed (9994123139³) is 998237977621884340973147134619
• The square root of 9994123139 is 99970.6113765441
• The cube root of 9994123139 is 2154.0125635549

Scales and comparisons

• 9,994,123,139 seconds is equal to 317 years, 40 weeks, 4 days, 17 hours, 18 minutes, 59 seconds.
• To count from 1 to 9,994,123,139 would take you about six hundred thirty-five 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 9994123139 cubic inches would be around 179.5 feet tall.

Recreational maths with 9994123139

• 9994123139 backwards is 9313214999
• The number of decimal digits it has is: 10
• The sum of 9994123139's digits is 50
• More coming soon!