2745470988

Names of 2745470988

• Cardinal: 2745470988 can be written as Two billion, seven hundred forty-five million, four hundred seventy thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 2.745470988 × 10⁹

Factors of 2745470988

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 32610

Divisors of 2745470988

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 181 234 362 468 543 724 1086 1629 2172 2353 3258 4706 6516 7059 9412 14118 21177 28236 32411 42354 64822 84708 97233 129644 194466 291699 388932 421343 583398 842686 1166796 1264029 1685372 2528058 3792087 5056116 5866391 7584174 11732782 15168348 17599173 23465564 35198346 52797519 70396692 76263083 105595038 152526166 211190076 228789249 305052332 457578498 686367747 915156996 1372735494 2745470988
• Sum of all divisors σ(n): 7515305616
• Sum of proper divisors (its aliquot sum) s(n): 4769834628
• 2745470988 is an abundant number, because the sum of its proper divisors (4769834628) is greater than itself. Its abundance is 2024363640

Bases of 2745470988

• Binary: 10100011101001001001000000001100₂
• Hexadecimal: 0xA3A4900C
• Base-36: 19EKYZ0

Squares and roots of 2745470988

• 2745470988 squared (2745470988²) is 7537610945949696144
• 2745470988 cubed (2745470988³) is 20694292170936126870767470272
• The square root of 2745470988 is 52397.2421793361
• The cube root of 2745470988 is 1400.2501233377

Scales and comparisons

• 2,745,470,988 seconds is equal to 87 years, 15 weeks, 3 days, 6 hours, 49 minutes, 48 seconds.
• To count from 1 to 2,745,470,988 would take you about one hundred seventy-four 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 2745470988 cubic inches would be around 116.7 feet tall.

Recreational maths with 2745470988

• 2745470988 backwards is 8890745472
• The number of decimal digits it has is: 10
• The sum of 2745470988's digits is 54
• More coming soon!