161709121 (number)

161709121 is an odd 9-digits composite number following 161709120 and preceding 161709122. In scientific notation, it is written as 1.61709121 × 10^8. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 138516048 positive integers (up to 161709121) that are relatively prime to 161709121.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61709121 × 10^8
Engineering notation 1.61709121 × 10^6

Prime Factorization of 161709121

Prime Factorization 7 × 13597 × 1699

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161709121
Product of the distinct prime numbers

The prime factorization of 161709121 is 7 × 13597 × 1699. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 2, 40, 75, 409, 258, 6958, 4366, 85772, 65794, 315233, 468019, 253261, 9720182, 75958787, 52785913, 366983687, 79548906, 9266308923, 5491047761

Basic calculations (n = 161709121)

Multiplication

n×y
n×2 323418242
n×3 485127363
n×4 646836484
n×5 808545605

Division

n÷y
n÷2 80854560.5
n÷3 53903040.333333
n÷3 40427280.25
n÷5 32341824.2

Exponentiation

ny
n2 26149839814592641
n3 4.2286676107086E+24
n4 6.8381412232885E+32
n5 1.1057898064919E+41

Nth Root

y√n
2√n 12716.490121099
3√n 544.80970939899
4√n 112.76741604337
5√n 43.827520674782

Divisors of 161709121

1, 7, 1699, 11893, 13597, 95179, 23101303, 161709121

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 -161709120
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 161709121 can be divided by 8 positive divisors. The sum of these divisors (counting 161709121) is 1, the average is 0.125.

Base conversion 161709121

Base System Value
2 Binary 1001101000110111110001000001
3 Ternary 102021021200012201
4 Quaternary 21220313301001
5 Quinary 312344142441
6 Senary 24013553201
8 Octal 1150676101
10 Decimal 161709121
12 Duodecimal 461a5801
16 Hexadecimal 9a37c41
20 Vigesimal 2aadcg1
36 Base36 2o9zk1

Cryptographic Hash Functions

md5 cbec7544785b0a3f85f453753096653f
sha1 17fdabe235d16b8e90751636e5b6306433ded69f
sha256 aca10c466e3b7f0e25f6cfc86b5460cc05ac539b7bc151ce0481f022a77c4497
sha512 3cec858260f25211180993b14d900e172607e8534d246759548ed2f3c72b8664adcd7489483feacde0e49790e34e3a9cad48113228c50bf4fc7e60cfd8be494e
ripemd-160 ce9cf9b5aa154026e23d187a0665c5594d028abb

161709121 as geometric shapes

Circle

Radius = n
Diameter 323418242
Circumference 1016048373.1041
Area 8.2152144654074E+16

Sphere

Radius = n
Volume 1.7713001467034E+25
Surface area 3.286085786163E+17
Circumference 1016048373.1041

Square

Length = n
Perimeter 646836484
Area 26149839814592641
Diagonal 228691232.07763

Cube

Length = n
Surface area 156899038887555846
Volume 4.2286676107086E+24
Space diagonal 280088413.6193

Equilateral Triangle

Length = n
Perimeter 485127363
Area 1.1323212792165E+16
Altitude 140044206.80965

Triangular Pyramid

Length = n
Surface area 1.1323212792165E+16
Volume 4.9835325715266E+23
Height 76230410.692544