261566990 (number)

261566990 is an even 9-digits composite number following 261566989 and preceding 261566991. In scientific notation, it is written as 2.61566990 × 10^8. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 104626792 positive integers (up to 261566990) that are relatively prime to 261566990.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million five hundred sixty-six thousand nine hundred ninety

Notation

Scientific notation 2.61566990 × 10^8
Engineering notation 2.61566990 × 10^6

Prime Factorization of 261566990

Prime Factorization 2 × 5 × 26156699

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 261566990
Product of the distinct prime numbers

The prime factorization of 261566990 is 2 × 5 × 26156699. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 83, 11, 172, 346, 8608, 6184, 25875, 92724, 180167, 170276, 3680860, 1740478, 36031539, 29932894, 243324185, 275269768, 5367436221, 7163738834

Basic calculations (n = 261566990)

Multiplication

n×y
n×2 523133980
n×3 784700970
n×4 1046267960
n×5 1307834950

Division

n÷y
n÷2 130783495
n÷3 87188996.666667
n÷3 65391747.5
n÷5 52313398

Exponentiation

ny
n2 68417290257660100
n3 1.7895704676652E+25
n4 4.6809256062009E+33
n5 1.2243756212279E+42

Nth Root

y√n
2√n 16173.03280155
3√n 639.53008311015
4√n 127.17323932947
5√n 48.252140857968

Divisors of 261566990

1, 2, 5, 10, 26156699, 52313398, 130783495, 261566990

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261566989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261566990 can be divided by 8 positive divisors. The sum of these divisors (counting 261566990) is 1, the average is 0.125.

Base conversion 261566990

Base System Value
2 Binary 1111100101110011001000001110
3 Ternary 200020011222110022
4 Quaternary 33211303020032
5 Quinary 1013430120430
6 Senary 41542142142
8 Octal 1745631016
10 Decimal 261566990
12 Duodecimal 73721952
16 Hexadecimal f97320e
20 Vigesimal 41efh9a
36 Base36 4bqadq

Cryptographic Hash Functions

md5 1ef963bd1501bbd9fd4a8545996e8a56
sha1 1faf2c401a17841bde3945a277be29b4fc3d49f2
sha256 09ace0bc669449fee860c2a59029a582f76190d1cb87112000381d443bbe1041
sha512 7009bf92d96641f8a82e5472b1a9a1da1dd9660751fff6b74201d1210aefbe367b7211a68f0d37084808d3f1fbf516d34bf33222c8e719ad8d925a1f67fc5e0e
ripemd-160 6e971a98be3cbbffade1221860a9a364b0fd13bf

261566990 as geometric shapes

Circle

Radius = n
Diameter 523133980
Circumference 1643473868.4112
Area 2.1493925645199E+17

Sphere

Radius = n
Volume 7.4961352457312E+25
Surface area 8.5975702580794E+17
Circumference 1643473868.4112

Square

Length = n
Perimeter 1046267960
Area 68417290257660100
Diagonal 369911584.72711

Cube

Length = n
Surface area 410503741545960600
Volume 1.7895704676652E+25
Space diagonal 453047316.26286

Equilateral Triangle

Length = n
Perimeter 784700970
Area 2.9625555710614E+16
Altitude 226523658.13143

Triangular Pyramid

Length = n
Surface area 2.9625555710614E+16
Volume 2.1090290218288E+24
Height 123303861.5757