161791123 (number)

161791123 is an odd 9-digits composite number following 161791122 and preceding 161791124. In scientific notation, it is written as 1.61791123 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 149345640 positive integers (up to 161791123) that are relatively prime to 161791123.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred ninety-one thousand one hundred twenty-three

Notation

Scientific notation 1.61791123 × 10^8
Engineering notation 1.61791123 × 10^6

Prime Factorization of 161791123

Prime Factorization 13 × 12445471

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161791123
Product of the distinct prime numbers

The prime factorization of 161791123 is 13 × 12445471. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161791123)

Multiplication

n×y
n×2 323582246
n×3 485373369
n×4 647164492
n×5 808955615

Division

n÷y
n÷2 80895561.5
n÷3 53930374.333333
n÷3 40447780.75
n÷5 32358224.6

Exponentiation

ny
n2 26176367481601129
n3 4.2351038909089E+24
n4 6.8520221453182E+32
n5 1.1085963577119E+41

Nth Root

y√n
2√n 12719.713951186
3√n 544.9017840576
4√n 112.7817092936
5√n 43.83196472291

Divisors of 161791123

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 -161791122
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 161791123 can be divided by 4 positive divisors. The sum of these divisors (counting 161791123) is 1, the average is 0.25.

Base conversion 161791123

Base System Value
2 Binary 1001101001001011110010010011
3 Ternary 102021102211200211
4 Quaternary 21221023302103
5 Quinary 312404303443
6 Senary 24015424551
8 Octal 1151136223
10 Decimal 161791123
12 Duodecimal 46225157
16 Hexadecimal 9a4bc93
20 Vigesimal 2ab3hg3
36 Base36 2obqtv

Cryptographic Hash Functions

md5 32ab4476b237ae92310ed1ed027366ec
sha1 08f7579c915e8d552f9b60c0aaf772e63e9e26c2
sha256 8570a047a6751741fad6c89f4509dc038ea7792b0edaa75326b26ae4885d3417
sha512 dc891bde29af99d281696cc75fe71d25c56a4ce4a2b46d6ed9844dd635a16a7db41f08023053f5272786a59e409e7fbd680bc1b2a0a1b5c0f81db15ed9608f37
ripemd-160 5624752d5aafacf28f768d199c536744e2861c40

161791123 as geometric shapes

Circle

Radius = n
Diameter 323582246
Circumference 1016563606.8657
Area 8.2235483777865E+16

Sphere

Radius = n
Volume 1.7739961694492E+25
Surface area 3.2894193511146E+17
Circumference 1016563606.8657

Square

Length = n
Perimeter 647164492
Area 26176367481601129
Diagonal 228807200.41817

Cube

Length = n
Surface area 157058204889606774
Volume 4.2351038909089E+24
Space diagonal 280230445.24963

Equilateral Triangle

Length = n
Perimeter 485373369
Area 1.1334699608932E+16
Altitude 140115222.62481

Triangular Pyramid

Length = n
Surface area 1.1334699608932E+16
Volume 4.9911178004854E+23
Height 76269066.806058