161720169 (number)

161720169 is an odd 9-digits composite number following 161720168 and preceding 161720170. In scientific notation, it is written as 1.61720169 × 10^8. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 99520080 positive integers (up to 161720169) that are relatively prime to 161720169.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61720169 × 10^8
Engineering notation 1.61720169 × 10^6

Prime Factorization of 161720169

Prime Factorization 3 × 13 × 4146671

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161720169
Product of the distinct prime numbers

The prime factorization of 161720169 is 3 × 13 × 4146671. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 7, 65, 54, 922, 620, 539, 518, 19944, 52172, 604297, 787332, 5036089, 933676, 28814165, 66050098, 170732440, 257570800, 2480790750, 7636214475

Basic calculations (n = 161720169)

Multiplication

n×y
n×2 323440338
n×3 485160507
n×4 646880676
n×5 808600845

Division

n÷y
n÷2 80860084.5
n÷3 53906723
n÷3 40430042.25
n÷5 32344033.8

Exponentiation

ny
n2 26153413061388561
n3 4.2295343802146E+24
n4 6.8400101475961E+32
n5 1.106167597031E+41

Nth Root

y√n
2√n 12716.924510274
3√n 544.82211628645
4√n 112.76934206722
5√n 43.82811951944

Divisors of 161720169

1, 3, 13, 39, 4146671, 12440013, 53906723, 161720169

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 -161720168
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 161720169 can be divided by 8 positive divisors. The sum of these divisors (counting 161720169) is 1, the average is 0.125.

Base conversion 161720169

Base System Value
2 Binary 1001101000111010011101101001
3 Ternary 102021022020100220
4 Quaternary 21220322131221
5 Quinary 312400021134
6 Senary 24014120253
8 Octal 1150723551
10 Decimal 161720169
12 Duodecimal 461b0089
16 Hexadecimal 9a3a769
20 Vigesimal 2aaf089
36 Base36 2oa82x

Cryptographic Hash Functions

md5 81eda10b9caecd201ccc08aba19bf1ba
sha1 da7fb6bf209ac036c17a7befae8ac1ff2e306ff3
sha256 2cfcada328b6c91d3920bbecebe47f5a81c577ca601d1d435dc211dd5f81fc61
sha512 4b9d879e84ac2c22b24d3bdfa04f32ab1cad34c210a2dcf06ce73b8c2bdfcf9b62a9a3b2cd60add94f278124f8418275c17ba8f0ac06fdec80674dedcefae76d
ripemd-160 f5b5f548d8002afba606e7f4a0fa8e44e917a138

161720169 as geometric shapes

Circle

Radius = n
Diameter 323440338
Circumference 1016117789.7354
Area 8.2163370339958E+16

Sphere

Radius = n
Volume 1.771663218265E+25
Surface area 3.2865348135983E+17
Circumference 1016117789.7354

Square

Length = n
Perimeter 646880676
Area 26153413061388561
Diagonal 228706856.30907

Cube

Length = n
Surface area 156920478368331366
Volume 4.2295343802146E+24
Space diagonal 280107549.31663

Equilateral Triangle

Length = n
Perimeter 485160507
Area 1.1324760053415E+16
Altitude 140053774.65831

Triangular Pyramid

Length = n
Surface area 1.1324760053415E+16
Volume 4.9845540691856E+23
Height 76235618.76969