161720129 (number)

161720129 is an odd 9-digits prime number following 161720128 and preceding 161720130. In scientific notation, it is written as 1.61720129 × 10^8. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 161720128 positive integers (up to 161720129) that are relatively prime to 161720129.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61720129 × 10^8
Engineering notation 1.61720129 × 10^6

Prime Factorization of 161720129

Prime Factorization 161720129

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 161720129
Product of the distinct prime numbers

The prime factorization of 161720129 is 161720129. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 7, 79, 57, 72, 3, 1550, 8908, 46211, 71760, 61227, 882598, 1548431, 1110225, 66068861, 21444616, 459507128, 903641978, 3544819300, 8727176308

Basic calculations (n = 161720129)

Multiplication

n×y
n×2 323440258
n×3 485160387
n×4 646880516
n×5 808600645

Division

n÷y
n÷2 80860064.5
n÷3 53906709.666667
n÷3 40430032.25
n÷5 32344025.8

Exponentiation

ny
n2 26153400123776641
n3 4.2295312418058E+24
n4 6.8400033803436E+32
n5 1.1061662290296E+41

Nth Root

y√n
2√n 12716.922937566
3√n 544.82207136753
4√n 112.7693350941
5√n 43.828117351343

Divisors of 161720129

1, 161720129

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 161720130
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 80860065
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 12716.922976884
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999987633
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161720129 can be divided by 2 positive divisors. The sum of these divisors (counting 161720129) is 161720130, the average is 80860065.

Base conversion 161720129

Base System Value
2 Binary 1001101000111010011101000001
3 Ternary 102021022020022102
4 Quaternary 21220322131001
5 Quinary 312400021004
6 Senary 24014120145
8 Octal 1150723501
10 Decimal 161720129
12 Duodecimal 461b0055
16 Hexadecimal 9a3a741
20 Vigesimal 2aaf069
36 Base36 2oa81t

Cryptographic Hash Functions

md5 4dc1f7515501b1eb0b47db423d4d2945
sha1 6f2ae4874bef402c60cb5d43eb9ac566eee0c6ed
sha256 ecbc048d3c5a7535aabe3020dff221983adf63f6d1ab414e2e8a7a616c7723c1
sha512 f826f86714a8f61884a03ebedffe0b6a3b66c7d94078ea8c019ddf0c72c35077d6dc19393671c41be228ca311cebf72df9b8e4037cb584acb82d37bf4b77833a
ripemd-160 8d20359d57e432ba36d0784471131895ca7f03b6

161720129 as geometric shapes

Circle

Radius = n
Diameter 323440258
Circumference 1016117538.408
Area 8.2163329695251E+16

Sphere

Radius = n
Volume 1.7716619036514E+25
Surface area 3.28653318781E+17
Circumference 1016117538.408

Square

Length = n
Perimeter 646880516
Area 26153400123776641
Diagonal 228706799.74053

Cube

Length = n
Surface area 156920400742659846
Volume 4.2295312418058E+24
Space diagonal 280107480.03459

Equilateral Triangle

Length = n
Perimeter 485160387
Area 1.1324754451265E+16
Altitude 140053740.0173

Triangular Pyramid

Length = n
Surface area 1.1324754451265E+16
Volume 4.9845503705354E+23
Height 76235599.913509