261746989 (number)

261746989 is an odd 9-digits composite number following 261746988 and preceding 261746990. In scientific notation, it is written as 2.61746989 × 10^8. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 224354556 positive integers (up to 261746989) that are relatively prime to 261746989.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million seven hundred forty-six thousand nine hundred eighty-nine

Notation

Scientific notation 2.61746989 × 10^8
Engineering notation 2.61746989 × 10^6

Prime Factorization of 261746989

Prime Factorization 7 × 37392427

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 261746989
Product of the distinct prime numbers

The prime factorization of 261746989 is 7 × 37392427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 2, 4, 9, 536, 433, 2738, 9586, 23458, 55055, 734634, 718373, 962283, 2838722, 45847505, 3116301, 163806987, 729997849, 1025255603, 5060247162

Basic calculations (n = 261746989)

Multiplication

n×y
n×2 523493978
n×3 785240967
n×4 1046987956
n×5 1308734945

Division

n÷y
n÷2 130873494.5
n÷3 87248996.333333
n÷3 65436747.25
n÷5 52349397.8

Exponentiation

ny
n2 68511486250566121
n3 1.7932675238001E+25
n4 4.6938237482615E+33
n5 1.2285942330041E+42

Nth Root

y√n
2√n 16178.596632588
3√n 639.67674838044
4√n 127.19511245558
5√n 48.258780034679

Divisors of 261746989

1, 7, 37392427, 261746989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261746988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261746989 can be divided by 4 positive divisors. The sum of these divisors (counting 261746989) is 1, the average is 0.25.

Base conversion 261746989

Base System Value
2 Binary 1111100110011111000100101101
3 Ternary 200020112010100221
4 Quaternary 33212133010231
5 Quinary 1014001400424
6 Senary 41550051341
8 Octal 1746370455
10 Decimal 261746989
12 Duodecimal 737a9b51
16 Hexadecimal f99f12d
20 Vigesimal 41fi799
36 Base36 4bu59p

Cryptographic Hash Functions

md5 50593ebf4428b636e90f8e127ae30196
sha1 b1b81510a1d756844ba16983bb1025e426b15033
sha256 2c5270dc4789b6cf47d404610970ac9418785e9d2f5ee61ef949d240386271bd
sha512 075ee9704fae7f096f9c74633e8b1b18d87a59534b0428f407b8307b12b961c31a89b2690d63c41583b718e03ab5048c4967317897f68263397e87167299d492
ripemd-160 858d254a746c8883b84478ebe6c88d58d28aa266

261746989 as geometric shapes

Circle

Radius = n
Diameter 523493978
Circumference 1644604835.4833
Area 2.152351818913E+17

Sphere

Radius = n
Volume 7.5116214382552E+25
Surface area 8.6094072756519E+17
Circumference 1644604835.4833

Square

Length = n
Perimeter 1046987956
Area 68511486250566121
Diagonal 370166141.75412

Cube

Length = n
Surface area 411068917503396726
Volume 1.7932675238001E+25
Space diagonal 453359083.67617

Equilateral Triangle

Length = n
Perimeter 785240967
Area 2.9666343772009E+16
Altitude 226679541.83809

Triangular Pyramid

Length = n
Surface area 2.9666343772009E+16
Volume 2.1133860442677E+24
Height 123388713.91804