389722914

Names of 389722914

• Cardinal: 389722914 can be written as Three hundred eighty-nine million, seven hundred twenty-two thousand, nine hundred fourteen.

Scientific notation

• Scientific notation: 3.89722914 × 10⁸

Factors of 389722914

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1290

Divisors of 389722914

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 81 97 126 162 189 194 243 291 378 486 567 582 679 873 1134 1181 1358 1701 1746 2037 2362 2619 3402 3543 4074 5238 6111 7086 7857 8267 10629 12222 15714 16534 18333 21258 23571 24801 31887 36666 47142 49602 54999 63774 74403 95661 109998 114557 148806 164997 191322 223209 229114 286983 329994 343671 446418 573966 669627 687342 801899 1031013 1339254 1603798 2008881 2062026 2405697 3093039 4017762 4811394 6186078 7217091 9279117 14434182 18558234 21651273 27837351 43302546 55674702 64953819 129907638 194861457 389722914
• Sum of all divisors σ(n): 1011943296
• Sum of proper divisors (its aliquot sum) s(n): 622220382
• 389722914 is an abundant number, because the sum of its proper divisors (622220382) is greater than itself. Its abundance is 232497468

Bases of 389722914

• Binary: 10111001110101011001100100010₂
• Hexadecimal: 0x173AB322
• Base-36: 6G144I

Squares and roots of 389722914

• 389722914 squared (389722914²) is 151883949696651396
• 389722914 cubed (389722914³) is 59192655465608398091287944
• The square root of 389722914 is 19741.4010141125
• The cube root of 389722914 is 730.4412881991

Scales and comparisons

• 389,722,914 seconds is equal to 12 years, 20 weeks, 2 days, 16 hours, 21 minutes, 54 seconds.
• To count from 1 to 389,722,914 would take you about eighteen 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 389722914 cubic inches would be around 60.9 feet tall.

Recreational maths with 389722914

• 389722914 backwards is 419227983
• The number of decimal digits it has is: 9
• The sum of 389722914's digits is 45
• More coming soon!