3856438872

Names of 3856438872

• Cardinal: 3856438872 can be written as Three billion, eight hundred fifty-six million, four hundred thirty-eight thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 3.856438872 × 10⁹

Factors of 3856438872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 374586

Divisors of 3856438872

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 18 22 24 26 33 36 39 44 52 66 72 78 88 99 104 117 132 143 156 198 234 264 286 312 396 429 468 572 792 858 936 1144 1287 1716 2574 3432 5148 10296 374557 749114 1123671 1498228 2247342 2996456 3371013 4120127 4494684 4869241 6742026 8240254 8989368 9738482 12360381 13484052 14607723 16480508 19476964 24720762 26968104 29215446 32961016 37081143 38953928 43823169 49441524 53561651 58430892 74162286 87646338 98883048 107123302 116861784 148324572 160684953 175292676 214246604 296649144 321369906 350585352 428493208 482054859 642739812 964109718 1285479624 1928219436 3856438872
• Sum of all divisors σ(n): 12270520080
• Sum of proper divisors (its aliquot sum) s(n): 8414081208
• 3856438872 is an abundant number, because the sum of its proper divisors (8414081208) is greater than itself. Its abundance is 4557642336

Bases of 3856438872

• Binary: 11100101110111001001011001011000₂
• Hexadecimal: 0xE5DC9658
• Base-36: 1RS0VA0

Squares and roots of 3856438872

• 3856438872 squared (3856438872²) is 14872120773472632384
• 3856438872 cubed (3856438872³) is 57353424659898565953823630848
• The square root of 3856438872 is 62100.2324633331
• The cube root of 3856438872 is 1568.1784589243

Scales and comparisons

• 3,856,438,872 seconds is equal to 122 years, 32 weeks, 2 days, 17 hours, 1 minute, 12 seconds.
• To count from 1 to 3,856,438,872 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 3856438872 cubic inches would be around 130.7 feet tall.

Recreational maths with 3856438872

• 3856438872 backwards is 2788346583
• The number of decimal digits it has is: 10
• The sum of 3856438872's digits is 54
• More coming soon!