161801975 (number)

161801975 is an odd 9-digits composite number following 161801974 and preceding 161801976. In scientific notation, it is written as 1.61801975 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors. There are 129441560 positive integers (up to 161801975) that are relatively prime to 161801975.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million eight hundred one thousand nine hundred seventy-five

Notation

Scientific notation 1.61801975 × 10^8
Engineering notation 1.61801975 × 10^6

Prime Factorization of 161801975

Prime Factorization 5 × 5 × 6472079

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 32360395
Product of the distinct prime numbers

The prime factorization of 161801975 is 5 × 5 × 6472079. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161801975)

Multiplication

n×y
n×2 323603950
n×3 485405925
n×4 647207900
n×5 809009875

Division

n÷y
n÷2 80900987.5
n÷3 53933991.666667
n÷3 40450493.75
n÷5 32360395

Exponentiation

ny
n2 26179879113900625
n3 4.2359561458904E+24
n4 6.8538607041845E+32
n5 1.1089681983119E+41

Nth Root

y√n
2√n 12720.140525953
3√n 544.91396672426
4√n 112.78360043
5√n 43.832552705379

Divisors of 161801975

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161801974
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161801975 can be divided by 6 positive divisors. The sum of these divisors (counting 161801975) is 1, the average is 0.16666666666667.

Base conversion 161801975

Base System Value
2 Binary 1001101001001110011011110111
3 Ternary 102021110101120202
4 Quaternary 21221032123313
5 Quinary 312410130400
6 Senary 24015551115
8 Octal 1151163367
10 Decimal 161801975
12 Duodecimal 4622b49b
16 Hexadecimal 9a4e6f7
20 Vigesimal 2ab54if
36 Base36 2obz7b

Cryptographic Hash Functions

md5 83dd31b93c2e3b2ef4458277758127ea
sha1 b72e08b5d5cd95a79e37fda353b7a7e2673b4599
sha256 904b1af2efcb3bac4f30b007e50f30b9b76644de894e1b245606a3e503f3cae7
sha512 33770c8dd2c3e219a1b43fab7d7df41a9f230fefcc6bbbce867e01c1339fee57eef08fa9335a96be0a2e551c4c49e56c1f7d99b6b19e4fa676af860048e8e227
ripemd-160 d5315fa5f57b33bcbe6836aca6e1488854791ae6

161801975 as geometric shapes

Circle

Radius = n
Diameter 323603950
Circumference 1016631791.9926
Area 8.2246515896099E+16

Sphere

Radius = n
Volume 1.774353161181E+25
Surface area 3.289860635844E+17
Circumference 1016631791.9926

Square

Length = n
Perimeter 647207900
Area 26179879113900625
Diagonal 228822547.46375

Cube

Length = n
Surface area 157079274683403750
Volume 4.2359561458904E+24
Space diagonal 280249241.46499

Equilateral Triangle

Length = n
Perimeter 485405925
Area 1.1336220190322E+16
Altitude 140124620.73249

Triangular Pyramid

Length = n
Surface area 1.1336220190322E+16
Volume 4.9921221926132E+23
Height 76274182.487917