3890423925

Names of 3890423925

• Cardinal: 3890423925 can be written as Three billion, eight hundred ninety million, four hundred twenty-three thousand, nine hundred twenty-five.

Scientific notation

• Scientific notation: 3.890423925 × 10⁹

Factors of 3890423925

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 385

Divisors of 3890423925

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 15 25 27 43 45 53 75 81 129 135 159 215 225 243 265 281 387 405 477 645 675 795 843 1075 1161 1215 1325 1405 1431 1935 2025 2279 2385 2529 3225 3483 3975 4215 4293 5805 6075 6837 7025 7155 7587 9675 10449 11395 11925 12083 12645 12879 14893 17415 20511 21075 21465 22761 29025 34185 35775 36249 37935 44679 52245 56975 60415 61533 63225 64395 68283 74465 87075 102555 107325 108747 113805 134037 170925 181245 184599 189675 223395 261225 302075 307665 321975 326241 341415 372325 402111 512775 543735 553797 569025 640399 670185 906225 922995 978723 1116975 1206333 1538325 1631205 1707075 1921197 2010555 2718675 2768985 2936169 3201995 3350925 3618999 4614975 4893615 5763591 6031665 8156025 9605985 10052775 13844925 14680845 16009975 17290773 18094995 24468075 28817955 30158325 48029925 51872319 73404225 86453865 90474975 144089775 155616957 259361595 432269325 778084785 1296807975 3890423925
• Sum of all divisors σ(n): 7560641088
• Sum of proper divisors (its aliquot sum) s(n): 3670217163
• 3890423925 is a deficient number, because the sum of its proper divisors (3670217163) is less than itself. Its deficiency is 220206762

Bases of 3890423925

• Binary: 11100111111000110010100001110101₂
• Hexadecimal: 0xE7E32875
• Base-36: 1SC9AB9

Squares and roots of 3890423925

• 3890423925 squared (3890423925²) is 15135398316212405625
• 3890423925 cubed (3890423925³) is 58883115723797458225304578125
• The square root of 3890423925 is 62373.2629016633
• The cube root of 3890423925 is 1572.7715423337

Scales and comparisons

• 3,890,423,925 seconds is equal to 123 years, 36 weeks, 4 days, 1 hour, 18 minutes, 45 seconds.
• To count from 1 to 3,890,423,925 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 3890423925 cubic inches would be around 131.1 feet tall.

Recreational maths with 3890423925

• 3890423925 backwards is 5293240983
• 3890423925 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3890423925's digits is 45
• More coming soon!