2745359820

Names of 2745359820

• Cardinal: 2745359820 can be written as Two billion, seven hundred forty-five million, three hundred fifty-nine thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 2.74535982 × 10⁹

Factors of 2745359820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 75179

Divisors of 2745359820

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 29 30 35 36 42 45 58 60 63 70 84 87 90 105 116 126 140 145 174 180 203 210 252 261 290 315 348 406 420 435 522 580 609 630 812 870 1015 1044 1218 1260 1305 1740 1827 2030 2436 2610 3045 3654 4060 5220 6090 7308 9135 12180 18270 36540 75133 150266 225399 300532 375665 450798 525931 676197 751330 901596 1051862 1126995 1352394 1502660 1577793 2103724 2178857 2253990 2629655 2704788 3155586 3380985 4357714 4507980 4733379 5259310 6311172 6536571 6761970 7888965 8715428 9466758 10518620 10894285 13073142 13523940 15251999 15777930 18933516 19609713 21788570 23666895 26146284 30503998 31555860 32682855 39219426 43577140 45755997 47333790 61007996 65365710 76259995 78438852 91511994 94667580 98048565 130731420 137267991 152519990 183023988 196097130 228779985 274535982 305039980 392194260 457559970 549071964 686339955 915119940 1372679910 2745359820
• Sum of all divisors σ(n): 9845559360
• Sum of proper divisors (its aliquot sum) s(n): 7100199540
• 2745359820 is an abundant number, because the sum of its proper divisors (7100199540) is greater than itself. Its abundance is 4354839720

Bases of 2745359820

• Binary: 10100011101000101101110111001100₂
• Hexadecimal: 0xA3A2DDCC
• Base-36: 19EIL70

Squares and roots of 2745359820

• 2745359820 squared (2745359820²) is 7537000541270432400
• 2745359820 cubed (2745359820³) is 20691778449322096864986168000
• The square root of 2745359820 is 52396.1813494075
• The cube root of 2745359820 is 1400.2312237139

Scales and comparisons

• 2,745,359,820 seconds is equal to 87 years, 15 weeks, 1 day, 23 hours, 57 minutes.
• To count from 1 to 2,745,359,820 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 2745359820 cubic inches would be around 116.7 feet tall.

Recreational maths with 2745359820

• 2745359820 backwards is 0289535472
• 2745359820 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2745359820's digits is 45
• More coming soon!