161005989 (number)

161005989 is an odd 9-digits composite number following 161005988 and preceding 161005990. In scientific notation, it is written as 1.61005989 × 10^8. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 107337324 positive integers (up to 161005989) that are relatively prime to 161005989.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million five thousand nine hundred eighty-nine

Notation

Scientific notation 1.61005989 × 10^8
Engineering notation 1.61005989 × 10^6

Prime Factorization of 161005989

Prime Factorization 3 × 53668663

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161005989
Product of the distinct prime numbers

The prime factorization of 161005989 is 3 × 53668663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 3, 55, 89, 326, 332, 5087, 8252, 57655, 50465, 637285, 286228, 3673168, 4289937, 29821222, 61692068, 45645700, 178080075, 6423739066, 8627760705

Basic calculations (n = 161005989)

Multiplication

n×y
n×2 322011978
n×3 483017967
n×4 644023956
n×5 805029945

Division

n÷y
n÷2 80502994.5
n÷3 53668663
n÷3 40251497.25
n÷5 32201197.8

Exponentiation

ny
n2 25922928493868121
n3 4.1737467399315E+24
n4 6.719982216982E+32
n5 1.0819573829076E+41

Nth Root

y√n
2√n 12688.813537916
3√n 544.01892798364
4√n 112.64463386205
5√n 43.789340675995

Divisors of 161005989

1, 3, 53668663, 161005989

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 -161005988
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 161005989 can be divided by 4 positive divisors. The sum of these divisors (counting 161005989) is 1, the average is 0.25.

Base conversion 161005989

Base System Value
2 Binary 1001100110001100000110100101
3 Ternary 102012221221200210
4 Quaternary 21212030012211
5 Quinary 312204142424
6 Senary 23550530033
8 Octal 1146140645
10 Decimal 161005989
12 Duodecimal 45b06919
16 Hexadecimal 998c1a5
20 Vigesimal 2a65ej9
36 Base36 2nux0l

Cryptographic Hash Functions

md5 b43f8d0214582d568fa52a55bceac5e9
sha1 ab1dbf6f6b56a41cc51c3ab718b2bcc01129025d
sha256 8632595e4e1c9a72c788df93dc02562ba3ab0003eff4190749cbb4d39ae6afbd
sha512 60bfedeb00c5295e5d91f97206d650ad41de73350d4ab4b77fe305389e07c4b7e8de349232603d2284484edf7461501cb1314f5187ad101f5756635070fed73f
ripemd-160 133cd6b549b818c261617f34a056655bb0c9df6b

161005989 as geometric shapes

Circle

Radius = n
Diameter 322011978
Circumference 1011630464.4527
Area 8.143928171587E+16

Sphere

Radius = n
Volume 1.7482949461484E+25
Surface area 3.2575712686348E+17
Circumference 1011630464.4527

Square

Length = n
Perimeter 644023956
Area 25922928493868121
Diagonal 227696853.26709

Cube

Length = n
Surface area 155537570963208726
Volume 4.1737467399315E+24
Space diagonal 278870553.27088

Equilateral Triangle

Length = n
Perimeter 483017967
Area 1.1224957308089E+16
Altitude 139435276.63544

Triangular Pyramid

Length = n
Surface area 1.1224957308089E+16
Volume 4.9188077046014E+23
Height 75898951.089031