161158021 (number)

161158021 is an odd 9-digits prime number following 161158020 and preceding 161158022. In scientific notation, it is written as 1.61158021 × 10^8. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 161158020 positive integers (up to 161158021) that are relatively prime to 161158021.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million one hundred fifty-eight thousand twenty-one

Notation

Scientific notation 1.61158021 × 10^8
Engineering notation 1.61158021 × 10^6

Prime Factorization of 161158021

Prime Factorization 161158021

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 161158021
Product of the distinct prime numbers

The prime factorization of 161158021 is 161158021. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 9, 72, 17, 118, 194, 9170, 8225, 69342, 43426, 65846, 171781, 9716851, 8828863, 94017436, 15422580, 126516888, 15979661, 2300770247, 6053977222

Basic calculations (n = 161158021)

Multiplication

n×y
n×2 322316042
n×3 483474063
n×4 644632084
n×5 805790105

Division

n÷y
n÷2 80579010.5
n÷3 53719340.333333
n÷3 40289505.25
n÷5 32231604.2

Exponentiation

ny
n2 25971907732636441
n3 4.1855812517863E+24
n4 6.7453999127258E+32
n5 1.0870753007885E+41

Nth Root

y√n
2√n 12694.802913003
3√n 544.19010643282
4√n 112.6712159915
5√n 43.797607285181

Divisors of 161158021

1, 161158021

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 161158022
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 80579011
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 12694.80295239
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999875898
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161158021 can be divided by 2 positive divisors. The sum of these divisors (counting 161158021) is 161158022, the average is 80579011.

Base conversion 161158021

Base System Value
2 Binary 1001100110110001001110000101
3 Ternary 102020020200020121
4 Quaternary 21212301032011
5 Quinary 312224024041
6 Senary 23554101541
8 Octal 1146611605
10 Decimal 161158021
12 Duodecimal 45b7a8b1
16 Hexadecimal 99b1385
20 Vigesimal 2a74f11
36 Base36 2ny6bp

Cryptographic Hash Functions

md5 98a4db42eca870aee9692bba0e8de089
sha1 7e7cea7fc61e6a82dbffb2c1bda04b386705d7ef
sha256 6c084d1540021a35f2925ecf5ad60ea6cb6e9c6569279ff563e6f34964fc38e3
sha512 b642a1b94686f52b0585a934c64a92727904fc28f0d9facc2edd493c39ee523e0e6d16a8b0e3d476a6a3df22a9b3b383e5403bdde70f72d8de6a03a62852baee
ripemd-160 b586b99801d00fcae3be933db31982b6f86bdc2d

161158021 as geometric shapes

Circle

Radius = n
Diameter 322316042
Circumference 1012585709.6813
Area 8.1593154532563E+16

Sphere

Radius = n
Volume 1.753252174882E+25
Surface area 3.2637261813025E+17
Circumference 1012585709.6813

Square

Length = n
Perimeter 644632084
Area 25971907732636441
Diagonal 227911858.98341

Cube

Length = n
Surface area 155831446395818646
Volume 4.1855812517863E+24
Space diagonal 279133880.41925

Equilateral Triangle

Length = n
Perimeter 483474063
Area 1.1246165940604E+16
Altitude 139566940.20963

Triangular Pyramid

Length = n
Surface area 1.1246165940604E+16
Volume 4.9327548105756E+23
Height 75970619.661136