161925 (number)

161925 is an odd 6-digits composite number following 161924 and preceding 161926. In scientific notation, it is written as 1.61925 × 10^5. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 80640 positive integers (up to 161925) that are relatively prime to 161925.

Interesting facts

Basic properties

Name

Name one hundred sixty-one thousand nine hundred twenty-five

Notation

Scientific notation 1.61925 × 10^5
Engineering notation 1.61925 × 10^3

Prime Factorization of 161925

Prime Factorization 3 × 5 × 85 × 127

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161925
Product of the distinct prime numbers

The prime factorization of 161925 is 3 × 5 × 85 × 127. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161925)

Multiplication

n×y
n×2 323850
n×3 485775
n×4 647700
n×5 809625

Division

n÷y
n÷2 80962.5
n÷3 53975
n÷3 40481.25
n÷5 32385

Exponentiation

ny
n2 26219705625
n3 4245625833328125
n4 6.8747296306166E+20
n5 1.1131905954376E+26

Nth Root

y√n
2√n 402.3990556649
3√n 54.505203891053
4√n 20.059886731108
5√n 11.011913242629

Divisors of 161925

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161924
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161925 can be divided by 16 positive divisors. The sum of these divisors (counting 161925) is 1, the average is 0.0625.

Base conversion 161925

Base System Value
2 Binary 100111100010000101
3 Ternary 22020010020
4 Quaternary 213202011
5 Quinary 20140200
6 Senary 3245353
8 Octal 474205
10 Decimal 161925
12 Duodecimal 79859
16 Hexadecimal 27885
20 Vigesimal 104g5
36 Base36 3gxx

Cryptographic Hash Functions

md5 afc413de4b72376444a5e70ac1a2041d
sha1 e3d2dd380f31348f1c9b8d63f6ec9135b7ddfbc8
sha256 1c490b14d7d52d1c457944b02034f6f49b3105279da11fcd51cf6eb5ba9b96a3
sha512 7ff90511e3c755a8d0295e92a32f995e11347b7a679f010ac5373ea08e4fc38d59a9b028063e1e6259150f4543647d843f57b0309b23567b019cf90f7839b643
ripemd-160 7e2a30c6aa020519f1f396c914a3d436d3e19039

161925 as geometric shapes

Circle

Radius = n
Diameter 323850
Circumference 1017404.7808651
Area 82371634570.787

Sphere

Radius = n
Volume 1.7784035903833E+16
Surface area 329486538283.15
Circumference 1017404.7808651

Square

Length = n
Perimeter 647700
Area 26219705625
Diagonal 228996.53108726

Cube

Length = n
Surface area 157318233750
Volume 4245625833328125
Space diagonal 280462.32701559

Equilateral Triangle

Length = n
Perimeter 485775
Area 11353465575.5
Altitude 140231.1635078

Triangular Pyramid

Length = n
Surface area 11353465575.5
Volume 5.0035180285452E+14
Height 76332.177029088