161720130 (number)

161720130 is an even 9-digits composite number following 161720129 and preceding 161720131. In scientific notation, it is written as 1.61720130 × 10^8. The sum of its digits is 21. It has a total of 6 prime factors and 64 positive divisors. There are 34383360 positive integers (up to 161720130) that are relatively prime to 161720130.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61720130 × 10^8
Engineering notation 1.61720130 × 10^6

Prime Factorization of 161720130

Prime Factorization 2 × 15 × 23 × 121 × 13 × 149

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 161720130
Product of the distinct prime numbers

The prime factorization of 161720130 is 2 × 15 × 23 × 121 × 13 × 149. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 1, 38, 7, 229, 263, 40, 1827, 39500, 43743, 895636, 26074, 8297115, 6031060, 81732930, 27199413, 154135186, 608851657, 1883558009, 6050144330

Basic calculations (n = 161720130)

Multiplication

n×y
n×2 323440260
n×3 485160390
n×4 646880520
n×5 808600650

Division

n÷y
n÷2 80860065
n÷3 53906710
n÷3 40430032.5
n÷5 32344026

Exponentiation

ny
n2 26153400447216900
n3 4.229531320266E+24
n4 6.8400035495249E+32
n5 1.1061662632296E+41

Nth Root

y√n
2√n 12716.922976884
3√n 544.82207249051
4√n 112.76933526843
5√n 43.828117405546

Divisors of 161720130

1, 2, 13, 15, 23, 26, 30, 46, 121, 149, 195, 242, 298, 299, 345, 390, 598, 690, 1573, 1815, 1937, 2235, 2783, 3146, 3427, 3630, 3874, 4470, 4485, 5566, 6854, 8970, 18029, 23595, 29055, 36058, 36179, 41745, 44551, 47190, 51405, 58110, 72358, 83490, 89102, 102810, 234377, 270435, 414667, 468754, 540870, 542685, 668265, 829334, 1085370, 1336530, 3515655, 5390671, 6220005, 7031310, 10781342, 12440010, 80860065, 161720130

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161720129
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161720130 can be divided by 64 positive divisors. The sum of these divisors (counting 161720130) is 1, the average is 0.015625.

Base conversion 161720130

Base System Value
2 Binary 1001101000111010011101000010
3 Ternary 102021022020022110
4 Quaternary 21220322131002
5 Quinary 312400021010
6 Senary 24014120150
8 Octal 1150723502
10 Decimal 161720130
12 Duodecimal 461b0056
16 Hexadecimal 9a3a742
20 Vigesimal 2aaf06a
36 Base36 2oa81u

Cryptographic Hash Functions

md5 565d1f0a674f81a28287b6c512af23ea
sha1 8a86cb64d05bdea9e0b6e83a273f19de0e6b36ba
sha256 e5138f28918e593f938884e92bff546073f0a55059e80445d209e673ae78dc03
sha512 969223091fdaa7641694e21621b6511eb62de4346d889748f43ed2c9b3d99a3ae498c57618958d4627680c926f56e890b605a989b22ee559304c7242de44532b
ripemd-160 e89afb6a228cba4b56e15044134a5b980a7875d5

161720130 as geometric shapes

Circle

Radius = n
Diameter 323440260
Circumference 1016117544.6912
Area 8.2163330711369E+16

Sphere

Radius = n
Volume 1.7716619365167E+25
Surface area 3.2865332284547E+17
Circumference 1016117544.6912

Square

Length = n
Perimeter 646880520
Area 26153400447216900
Diagonal 228706801.15474

Cube

Length = n
Surface area 156920402683301400
Volume 4.229531320266E+24
Space diagonal 280107481.76664

Equilateral Triangle

Length = n
Perimeter 485160390
Area 1.1324754591319E+16
Altitude 140053740.88332

Triangular Pyramid

Length = n
Surface area 1.1324754591319E+16
Volume 4.9845504630016E+23
Height 76235600.384913