90131990 (number)

90131990 is an even 8-digits composite number following 90131989 and preceding 90131991. In scientific notation, it is written as 9.0131990 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 33279456 positive integers (up to 90131990) that are relatively prime to 90131990.

Interesting facts

Basic properties

Name

Name ninety million one hundred thirty-one thousand nine hundred ninety

Notation

Scientific notation 9.0131990 × 10^7
Engineering notation 9.0131990 × 10^6

Prime Factorization of 90131990

Prime Factorization 2 × 5 × 13 × 693323

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 90131990
Product of the distinct prime numbers

The prime factorization of 90131990 is 2 × 5 × 13 × 693323. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 90131990)

Multiplication

n×y
n×2 180263980
n×3 270395970
n×4 360527960
n×5 450659950

Division

n÷y
n÷2 45065995
n÷3 30043996.666667
n÷3 22532997.5
n÷5 18026398

Exponentiation

ny
n2 8123775621360100
n3 7.3221206306667E+23
n4 6.5995730346205E+31
n5 5.9483265076068E+39

Nth Root

y√n
2√n 9493.7869156623
3√n 448.35944194893
4√n 97.436065785018
5√n 38.992025150577

Divisors of 90131990

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 -90131989
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 90131990 can be divided by 16 positive divisors. The sum of these divisors (counting 90131990) is 1, the average is 0.0625.

Base conversion 90131990

Base System Value
2 Binary 101010111110100111000010110
3 Ternary 20021121011211212
4 Quaternary 11113310320112
5 Quinary 141033210430
6 Senary 12535501422
8 Octal 527647026
10 Decimal 90131990
12 Duodecimal 26227872
16 Hexadecimal 55f4e16
20 Vigesimal 18369ja
36 Base36 1hnuae

Cryptographic Hash Functions

md5 6c74bfd56e75b5f6f082b404d444e052
sha1 4621a97a862d7cc58d6173d48237f8914f1c3abe
sha256 976749160f47bfbdeadc2d93fa3486823f9fc027a9ee50381aeb69546eb36aae
sha512 19e04c6dd6a7ee053c7e3f81d4b2765b2e0fdfc048e333e5c58774a58b2b992e721441cb7e0da02e4dcdfc203c8a70a38f4dd9f5270ec708a548d4ed8caecc1f
ripemd-160 f3b7be7ba0e63a99d63b3800ecea7782e569181e

90131990 as geometric shapes

Circle

Radius = n
Diameter 180263980
Circumference 566315995.27486
Area 2.5521593811477E+16

Sphere

Radius = n
Volume 3.0670827176001E+24
Surface area 1.0208637524591E+17
Circumference 566315995.27486

Square

Length = n
Perimeter 360527960
Area 8123775621360100
Diagonal 127465882.66168

Cube

Length = n
Surface area 48742653728160600
Volume 7.3221206306667E+23
Space diagonal 156113186.06729

Equilateral Triangle

Length = n
Perimeter 270395970
Area 3.5176980313713E+15
Altitude 78056593.033645

Triangular Pyramid

Length = n
Surface area 3.5176980313713E+15
Volume 8.6292019176839E+22
Height 42488627.553892