161721041 (number)

161721041 is an odd 9-digits prime number following 161721040 and preceding 161721042. In scientific notation, it is written as 1.61721041 × 10^8. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 161721040 positive integers (up to 161721041) that are relatively prime to 161721041.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61721041 × 10^8
Engineering notation 1.61721041 × 10^6

Prime Factorization of 161721041

Prime Factorization 161721041

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 161721041
Product of the distinct prime numbers

The prime factorization of 161721041 is 161721041. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 8, 43, 89, 554, 9, 1352, 3633, 36856, 70728, 151610, 944823, 6483157, 9346384, 98431526, 30651458, 491956048, 411438525, 3865564817, 1101744906

Basic calculations (n = 161721041)

Multiplication

n×y
n×2 323442082
n×3 485163123
n×4 646884164
n×5 808605205

Division

n÷y
n÷2 80860520.5
n÷3 53907013.666667
n÷3 40430260.25
n÷5 32344208.2

Exponentiation

ny
n2 26153695102123681
n3 4.229602797912E+24
n4 6.8401576749485E+32
n5 1.1061974197968E+41

Nth Root

y√n
2√n 12716.958795247
3√n 544.82309551709
4√n 112.76949408083
5√n 43.828166783845

Divisors of 161721041

1, 161721041

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 161721042
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 80860521
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 12716.958834564
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 161721041 can be divided by 2 positive divisors. The sum of these divisors (counting 161721041) is 161721042, the average is 80860521.

Base conversion 161721041

Base System Value
2 Binary 1001101000111010101011010001
3 Ternary 102021022021120012
4 Quaternary 21220322223101
5 Quinary 312400033131
6 Senary 24014124305
8 Octal 1150725321
10 Decimal 161721041
12 Duodecimal 461b0695
16 Hexadecimal 9a3aad1
20 Vigesimal 2aaf2c1
36 Base36 2oa8r5

Cryptographic Hash Functions

md5 3e7ea740b5f44b9eb8e1f9952dd1ab52
sha1 a7df5f0bb152c2712df71688ece4de8a2cb36c57
sha256 66be719494d6cea23b98c85e9235607a5d3d8635c347e0069d1e0a81e13bc6ce
sha512 766fbeb89ba4ff96dc386f5b9b25851937be6f236aff56f85695be3cfe2aa9147e39f65636101605875c5f45b0a896b4c4c753216fce22b5becc56b70ccfd025
ripemd-160 c97c4227d637695c182e22906a9e66f8b2916fc4

161721041 as geometric shapes

Circle

Radius = n
Diameter 323442082
Circumference 1016123268.673
Area 8.2164256397059E+16

Sphere

Radius = n
Volume 1.7716918770031E+25
Surface area 3.2865702558824E+17
Circumference 1016123268.673

Square

Length = n
Perimeter 646884164
Area 26153695102123681
Diagonal 228708089.5033

Cube

Length = n
Surface area 156922170612742086
Volume 4.229602797912E+24
Space diagonal 280109059.66493

Equilateral Triangle

Length = n
Perimeter 485163123
Area 1.1324882180636E+16
Altitude 140054529.83246

Triangular Pyramid

Length = n
Surface area 1.1324882180636E+16
Volume 4.9846347002153E+23
Height 76236029.834432