161869738 (number)

161869738 is an even 9-digits composite number following 161869737 and preceding 161869739. In scientific notation, it is written as 1.61869738 × 10^8. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 79247376 positive integers (up to 161869738) that are relatively prime to 161869738.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61869738 × 10^8
Engineering notation 1.61869738 × 10^6

Prime Factorization of 161869738

Prime Factorization 2 × 53 × 619 × 2467

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161869738
Product of the distinct prime numbers

The prime factorization of 161869738 is 2 × 53 × 619 × 2467. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161869738)

Multiplication

n×y
n×2 323739476
n×3 485609214
n×4 647478952
n×5 809348690

Division

n÷y
n÷2 80934869
n÷3 53956579.333333
n÷3 40467434.5
n÷5 32373947.6

Exponentiation

ny
n2 26201812080188644
n3 4.2412804565454E+24
n4 6.8653495628552E+32
n5 1.1112923350178E+41

Nth Root

y√n
2√n 12722.803857641
3√n 544.99002647068
4√n 112.79540707689
5√n 43.836223523142

Divisors of 161869738

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161869737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161869738 can be divided by 16 positive divisors. The sum of these divisors (counting 161869738) is 1, the average is 0.0625.

Base conversion 161869738

Base System Value
2 Binary 1001101001011110111110101010
3 Ternary 102021120211112111
4 Quaternary 21221132332222
5 Quinary 312414312423
6 Senary 24021232534
8 Octal 1151367652
10 Decimal 161869738
12 Duodecimal 4626274a
16 Hexadecimal 9a5efaa
20 Vigesimal 2abde6i
36 Base36 2odfhm

Cryptographic Hash Functions

md5 54a71d516ad8308e1a8d64cf96058f87
sha1 392aac392335ffad21ab8196ec86e56b34e12f64
sha256 b242548b8bab134da2b03eecc1f2edcd4dfa41584302b2cef3c0f2555520e44f
sha512 f8d7b938826a9918ff36857df36ee9ef7abea5e60a4e39f64fc62b86d5302900468b03a4a5e392b9512a33ed253228bca4e58515a9a502ed505ae471a010c740
ripemd-160 5dedc8c78be5bb397c3e8668e99c7c72f861407a

161869738 as geometric shapes

Circle

Radius = n
Diameter 323739476
Circumference 1017057559.4786
Area 8.2315420341861E+16

Sphere

Radius = n
Volume 1.7765834032129E+25
Surface area 3.2926168136744E+17
Circumference 1017057559.4786

Square

Length = n
Perimeter 647478952
Area 26201812080188644
Diagonal 228918378.81738

Cube

Length = n
Surface area 157210872481131864
Volume 4.2412804565454E+24
Space diagonal 280366610.42386

Equilateral Triangle

Length = n
Perimeter 485609214
Area 1.1345717443315E+16
Altitude 140183305.21193

Triangular Pyramid

Length = n
Surface area 1.1345717443315E+16
Volume 4.9983969528953E+23
Height 76306126.27246