1145309928

Names of 1145309928

• Cardinal: 1145309928 can be written as One billion, one hundred forty-five million, three hundred nine thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.145309928 × 10⁹

Factors of 1145309928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 385

Divisors of 1145309928

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 343 373 392 588 686 746 1029 1119 1176 1372 1492 2058 2238 2611 2744 2984 4116 4476 5222 7833 8232 8952 10444 15666 18277 20888 31332 36554 54831 62664 73108 109662 127939 139129 146216 219324 255878 278258 383817 417387 438648 511756 556516 767634 834774 973903 1023512 1113032 1535268 1669548 1947806 2921709 3070536 3339096 3895612 5843418 6817321 7791224 11686836 13634642 20451963 23373672 27269284 40903926 47721247 54538568 81807852 95442494 143163741 163615704 190884988 286327482 381769976 572654964 1145309928
• Sum of all divisors σ(n): 3348072000
• Sum of proper divisors (its aliquot sum) s(n): 2202762072
• 1145309928 is an abundant number, because the sum of its proper divisors (2202762072) is greater than itself. Its abundance is 1057452144

Bases of 1145309928

• Binary: 1000100010001000000101011101000₂
• Hexadecimal: 0x44440AE8
• Base-36: IXVYSO

Squares and roots of 1145309928

• 1145309928 squared (1145309928²) is 1311734831175365184
• 1145309928 cubed (1145309928³) is 1502342925048549654260746752
• The square root of 1145309928 is 33842.4279270859
• The cube root of 1145309928 is 1046.2633402575

Scales and comparisons

• 1,145,309,928 seconds is equal to 36 years, 21 weeks, 4 days, 21 hours, 38 minutes, 48 seconds.
• To count from 1 to 1,145,309,928 would take you about seventy-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 1145309928 cubic inches would be around 87.2 feet tall.

Recreational maths with 1145309928

• 1145309928 backwards is 8299035411
• 1145309928 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1145309928's digits is 42
• More coming soon!