3855138624

Names of 3855138624

• Cardinal: 3855138624 can be written as Three billion, eight hundred fifty-five million, one hundred thirty-eight thousand, six hundred twenty-four.

Scientific notation

• Scientific notation: 3.855138624 × 10⁹

Factors of 3855138624

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 9186

Divisors of 3855138624

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 243 288 324 432 486 576 648 729 864 972 1296 1458 1728 1944 2187 2592 2916 3888 4374 5184 5832 6561 7776 8748 9181 11664 13122 15552 17496 18362 23328 26244 27543 34992 36724 46656 52488 55086 69984 73448 82629 104976 110172 139968 146896 165258 209952 220344 247887 293792 330516 419904 440688 495774 587584 661032 743661 881376 991548 1322064 1487322 1762752 1983096 2230983 2644128 2974644 3966192 4461966 5288256 5949288 6692949 7932384 8923932 11898576 13385898 15864768 17847864 20078847 23797152 26771796 35695728 40157694 47594304 53543592 60236541 71391456 80315388 107087184 120473082 142782912 160630776 214174368 240946164 321261552 428348736 481892328 642523104 963784656 1285046208 1927569312 3855138624
• Sum of all divisors σ(n): 11475727874
• Sum of proper divisors (its aliquot sum) s(n): 7620589250
• 3855138624 is an abundant number, because the sum of its proper divisors (7620589250) is greater than itself. Its abundance is 3765450626

Bases of 3855138624

• Binary: 11100101110010001011111101000000₂
• Hexadecimal: 0xE5C8BF40
• Base-36: 1RR9000

Squares and roots of 3855138624

• 3855138624 squared (3855138624²) is 14862093810256613376
• 3855138624 cubed (3855138624³) is 57295431881431597577252634624
• The square root of 3855138624 is 62089.7626344311
• The cube root of 3855138624 is 1568.0021952627

Scales and comparisons

• 3,855,138,624 seconds is equal to 122 years, 30 weeks, 1 day, 15 hours, 50 minutes, 24 seconds.
• To count from 1 to 3,855,138,624 would take you about two hundred forty-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 3855138624 cubic inches would be around 130.7 feet tall.

Recreational maths with 3855138624

• 3855138624 backwards is 4268315583
• The number of decimal digits it has is: 10
• The sum of 3855138624's digits is 45
• More coming soon!