261388892 (number)

261388892 is an even 9-digits composite number following 261388891 and preceding 261388893. In scientific notation, it is written as 2.61388892 × 10^8. The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors. There are 130541280 positive integers (up to 261388892) that are relatively prime to 261388892.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million three hundred eighty-eight thousand eight hundred ninety-two

Notation

Scientific notation 2.61388892 × 10^8
Engineering notation 2.61388892 × 10^6

Prime Factorization of 261388892

Prime Factorization 2 × 2 × 863 × 75721

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 130694446
Product of the distinct prime numbers

The prime factorization of 261388892 is 2 × 2 × 863 × 75721. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 80, 52, 256, 124, 2642, 8226, 54864, 69122, 282041, 980553, 6090174, 4084144, 65273535, 97516071, 410807555, 697062692, 7839334735, 1702759780

Basic calculations (n = 261388892)

Multiplication

n×y
n×2 522777784
n×3 784166676
n×4 1045555568
n×5 1306944460

Division

n÷y
n÷2 130694446
n÷3 87129630.666667
n÷3 65347223
n÷5 52277778.4

Exponentiation

ny
n2 68324152860987664
n3 1.7859174613172E+25
n4 4.6681898641716E+33
n5 1.2202129762414E+42

Nth Root

y√n
2√n 16167.525846585
3√n 639.38490055815
4√n 127.15158609544
5√n 48.24556820042

Divisors of 261388892

1, 2, 4, 863, 1726, 3452, 75721, 151442, 302884, 65347223, 130694446, 261388892

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261388891
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261388892 can be divided by 12 positive divisors. The sum of these divisors (counting 261388892) is 1, the average is 0.083333333333333.

Base conversion 261388892

Base System Value
2 Binary 1111100101000111101001011100
3 Ternary 200012211221011002
4 Quaternary 33211013221130
5 Quinary 1013403421032
6 Senary 41534245432
8 Octal 1745075134
10 Decimal 261388892
12 Duodecimal 73656878
16 Hexadecimal f947a5c
20 Vigesimal 41ddc4c
36 Base36 4bmgyk

Cryptographic Hash Functions

md5 cc2109085456ceaea9c0adada946ae2a
sha1 122222a96f454d9c393473b17ac8366fb517d2b8
sha256 192479663a819ec6d2109ac574b1f95280cbcad96c8a979e3e09af552ac94768
sha512 5cf388eccdf57903a0df08acb99ae5fea0c22ca6028340e4ee4ba27ee24483fa218116f32d226776a5a25cdbbbeb2d753c1be33f79f0818eb18adaa6045e7181
ripemd-160 464dcec9803339c415b8e7ccc4b77fb364c9b97a

261388892 as geometric shapes

Circle

Radius = n
Diameter 522777784
Circumference 1642354845.6744
Area 2.1464665669082E+17

Sphere

Radius = n
Volume 7.4808335685225E+25
Surface area 8.585866267633E+17
Circumference 1642354845.6744

Square

Length = n
Perimeter 1045555568
Area 68324152860987664
Diagonal 369659716.12008

Cube

Length = n
Surface area 409944917165925984
Volume 1.7859174613172E+25
Space diagonal 452738841.47813

Equilateral Triangle

Length = n
Perimeter 784166676
Area 2.9585226034833E+16
Altitude 226369420.73907

Triangular Pyramid

Length = n
Surface area 2.9585226034833E+16
Volume 2.1047239125614E+24
Height 123219905.37336