161738809 (number)

161738809 is an odd 9-digits composite number following 161738808 and preceding 161738810. In scientific notation, it is written as 1.61738809 × 10^8. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 157372800 positive integers (up to 161738809) that are relatively prime to 161738809.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred thirty-eight thousand eight hundred nine

Notation

Scientific notation 1.61738809 × 10^8
Engineering notation 1.61738809 × 10^6

Prime Factorization of 161738809

Prime Factorization 41 × 389 × 10141

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161738809
Product of the distinct prime numbers

The prime factorization of 161738809 is 41 × 389 × 10141. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 8, 12, 60, 683, 454, 5162, 5850, 30746, 51609, 722374, 149642, 8129589, 4298787, 61011144, 74135203, 29810348, 947246483, 1792676096, 908113928

Basic calculations (n = 161738809)

Multiplication

n×y
n×2 323477618
n×3 485216427
n×4 646955236
n×5 808694045

Division

n÷y
n÷2 80869404.5
n÷3 53912936.333333
n÷3 40434702.25
n÷5 32347761.8

Exponentiation

ny
n2 26159442336738481
n3 4.2309970476483E+24
n4 6.8431642336915E+32
n5 1.1068052329487E+41

Nth Root

y√n
2√n 12717.657370758
3√n 544.84304769771
4√n 112.77259139861
5√n 43.8291298059

Divisors of 161738809

1, 41, 389, 10141, 15949, 415781, 3944849, 161738809

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 -161738808
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 161738809 can be divided by 8 positive divisors. The sum of these divisors (counting 161738809) is 1, the average is 0.125.

Base conversion 161738809

Base System Value
2 Binary 1001101000111111000000111001
3 Ternary 102021100011221021
4 Quaternary 21220333000321
5 Quinary 312401120214
6 Senary 24014342441
8 Octal 1150770071
10 Decimal 161738809
12 Duodecimal 461baa21
16 Hexadecimal 9a3f039
20 Vigesimal 2aah709
36 Base36 2oamgp

Cryptographic Hash Functions

md5 552cfc4b9c80c361756676113a133d78
sha1 7e4a7f763c34e2bb95994f5f1842d193ba13a5ce
sha256 5fe76ba376587229a0093efad88aa74ab326154a8111a402d6aaa510119fbf9b
sha512 34433e1762c169a61918053b6e943865aca3fec9db0b91cb9ed3f9d980ffeb6ff8e3df8cc93cc4888eec3b0fc48e9d804eef97ddf45a8d4a50d1ed3a7b0bafb4
ripemd-160 042c3013ce26fba98c02b42ae49aa375fb664ac7

161738809 as geometric shapes

Circle

Radius = n
Diameter 323477618
Circumference 1016234908.3095
Area 8.2182311867103E+16

Sphere

Radius = n
Volume 1.7722758989669E+25
Surface area 3.2872924746841E+17
Circumference 1016234908.3095

Square

Length = n
Perimeter 646955236
Area 26159442336738481
Diagonal 228733217.24987

Cube

Length = n
Surface area 156956654020430886
Volume 4.2309970476483E+24
Space diagonal 280139834.74368

Equilateral Triangle

Length = n
Perimeter 485216427
Area 1.1327370806225E+16
Altitude 140069917.37184

Triangular Pyramid

Length = n
Surface area 1.1327370806225E+16
Volume 4.9862778392872E+23
Height 76244405.749957