161720131 (number)

161720131 is an odd 9-digits composite number following 161720130 and preceding 161720132. In scientific notation, it is written as 1.61720131 × 10^8. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 161682472 positive integers (up to 161720131) that are relatively prime to 161720131.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred twenty thousand one hundred thirty-one

Notation

Scientific notation 1.61720131 × 10^8
Engineering notation 1.61720131 × 10^6

Prime Factorization of 161720131

Prime Factorization 4943 × 32717

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161720131
Product of the distinct prime numbers

The prime factorization of 161720131 is 4943 × 32717. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 96, 7, 423, 399, 293, 8703, 93870, 43400, 427334, 420331, 7866118, 3153337, 5290837, 95241514, 200205845, 600245236, 4161534564, 4634464212

Basic calculations (n = 161720131)

Multiplication

n×y
n×2 323440262
n×3 485160393
n×4 646880524
n×5 808600655

Division

n÷y
n÷2 80860065.5
n÷3 53906710.333333
n÷3 40430032.75
n÷5 32344026.2

Exponentiation

ny
n2 26153400770657161
n3 4.2295313987262E+24
n4 6.8400037187061E+32
n5 1.1061662974296E+41

Nth Root

y√n
2√n 12716.923016202
3√n 544.82207361348
4√n 112.76933544276
5√n 43.828117459748

Divisors of 161720131

1, 4943, 32717, 161720131

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 -161720130
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 161720131 can be divided by 4 positive divisors. The sum of these divisors (counting 161720131) is 1, the average is 0.25.

Base conversion 161720131

Base System Value
2 Binary 1001101000111010011101000011
3 Ternary 102021022020022111
4 Quaternary 21220322131003
5 Quinary 312400021011
6 Senary 24014120151
8 Octal 1150723503
10 Decimal 161720131
12 Duodecimal 461b0057
16 Hexadecimal 9a3a743
20 Vigesimal 2aaf06b
36 Base36 2oa81v

Cryptographic Hash Functions

md5 27fac8d71dc184653a47279f5da49160
sha1 0dd794cab181477c7077ea1e0afa6c2664492353
sha256 f236c1ecc24eaafe4f93e3ab67358dd120cafa6fce7f9669adfa2aa1fb02739c
sha512 e4db13829ce5e9f5618f9b936a522f4b927729a9533e6fb952f0f62ba2b324cb3782690ea2f8aaffac59a98f968ceb58ea92f6a70b74b9baf65e55c630b955ef
ripemd-160 5b7bca9a3d0184ea4e49600b1781a0dd9a13eed2

161720131 as geometric shapes

Circle

Radius = n
Diameter 323440262
Circumference 1016117550.9744
Area 8.2163331727486E+16

Sphere

Radius = n
Volume 1.7716619693821E+25
Surface area 3.2865332690994E+17
Circumference 1016117550.9744

Square

Length = n
Perimeter 646880524
Area 26153400770657161
Diagonal 228706802.56895

Cube

Length = n
Surface area 156920404623942966
Volume 4.2295313987262E+24
Space diagonal 280107483.49869

Equilateral Triangle

Length = n
Perimeter 485160393
Area 1.1324754731372E+16
Altitude 140053741.74935

Triangular Pyramid

Length = n
Surface area 1.1324754731372E+16
Volume 4.9845505554678E+23
Height 76235600.856318