3890942928

Names of 3890942928

• Cardinal: 3890942928 can be written as Three billion, eight hundred ninety million, nine hundred forty-two thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 3.890942928 × 10⁹

Factors of 3890942928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 943

Divisors of 3890942928

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 36 48 62 72 93 124 144 186 248 279 372 496 558 744 907 961 1116 1488 1814 1922 2232 2721 2883 3628 3844 4464 5442 5766 7256 7688 8163 8649 10884 11532 14512 15376 16326 17298 21768 23064 28117 29791 32652 34596 43536 46128 56234 59582 65304 69192 84351 89373 112468 119164 130608 138384 168702 178746 224936 238328 253053 268119 337404 357492 449872 476656 506106 536238 674808 714984 871627 1012212 1072476 1349616 1429968 1743254 2024424 2144952 2614881 3486508 4048848 4289904 5229762 6973016 7844643 10459524 13946032 15689286 20919048 27020437 31378572 41838096 54040874 62757144 81061311 108081748 125514288 162122622 216163496 243183933 324245244 432326992 486367866 648490488 972735732 1296980976 1945471464 3890942928
• Sum of all divisors σ(n): 11264604416
• Sum of proper divisors (its aliquot sum) s(n): 7373661488
• 3890942928 is an abundant number, because the sum of its proper divisors (7373661488) is greater than itself. Its abundance is 3482718560

Bases of 3890942928

• Binary: 11100111111010110001001111010000₂
• Hexadecimal: 0xE7EB13D0
• Base-36: 1SCKES0

Squares and roots of 3890942928

• 3890942928 squared (3890942928²) is 15139436868953213184
• 3890942928 cubed (3890942928³) is 58906684819155967601161162752
• The square root of 3890942928 is 62377.4232234709
• The cube root of 3890942928 is 1572.8414778875

Scales and comparisons

• 3,890,942,928 seconds is equal to 123 years, 37 weeks, 3 days, 1 hour, 28 minutes, 48 seconds.
• To count from 1 to 3,890,942,928 would take you about two hundred forty-seven 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 3890942928 cubic inches would be around 131.1 feet tall.

Recreational maths with 3890942928

• 3890942928 backwards is 8292490983
• The number of decimal digits it has is: 10
• The sum of 3890942928's digits is 54
• More coming soon!