90131945 (number)

90131945 is an odd 8-digits composite number following 90131944 and preceding 90131946. In scientific notation, it is written as 9.0131945 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 71727280 positive integers (up to 90131945) that are relatively prime to 90131945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.0131945 × 10^7
Engineering notation 9.0131945 × 10^6

Prime Factorization of 90131945

Prime Factorization 5 × 191 × 94379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 90131945
Product of the distinct prime numbers

The prime factorization of 90131945 is 5 × 191 × 94379. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 90131945)

Multiplication

n×y
n×2 180263890
n×3 270395835
n×4 360527780
n×5 450659725

Division

n÷y
n÷2 45065972.5
n÷3 30043981.666667
n÷3 22532986.25
n÷5 18026389

Exponentiation

ny
n2 8123767509483025
n3 7.3221096635751E+23
n4 6.5995598548132E+31
n5 5.9483116585823E+39

Nth Root

y√n
2√n 9493.7845456909
3√n 448.35936733178
4√n 97.436053623343
5√n 38.992021257084

Divisors of 90131945

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 -90131944
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 90131945 can be divided by 8 positive divisors. The sum of these divisors (counting 90131945) is 1, the average is 0.125.

Base conversion 90131945

Base System Value
2 Binary 101010111110100110111101001
3 Ternary 20021121011210012
4 Quaternary 11113310313221
5 Quinary 141033210240
6 Senary 12535501305
8 Octal 527646751
10 Decimal 90131945
12 Duodecimal 26227835
16 Hexadecimal 55f4de9
20 Vigesimal 18369h5
36 Base36 1hnu95

Cryptographic Hash Functions

md5 95f61276d710862ea57e7dc2c9b35de9
sha1 cc85462dca42416515749f55ae065a9ad6ff7475
sha256 d4e68948d48296bf3b03afbf67deab29b43b0ee3275473d897f7bd4d4f01261d
sha512 db569c581aaf772a19e8d452a59c97c62d5af7abc5ec4efa6ea7087afd9317d5bbdd787eb75217880252a571328c99169d4d738fcd6428f16dbe60d1557125f7
ripemd-160 a708b6a6d665b6e8f36e9d47eeb1c8703b427e8f

90131945 as geometric shapes

Circle

Radius = n
Diameter 180263890
Circumference 566315712.53152
Area 2.5521568327263E+16

Sphere

Radius = n
Volume 3.0670781237155E+24
Surface area 1.0208627330905E+17
Circumference 566315712.53152

Square

Length = n
Perimeter 360527780
Area 8123767509483025
Diagonal 127465819.02207

Cube

Length = n
Surface area 48742605056898150
Volume 7.3221096635751E+23
Space diagonal 156113108.125

Equilateral Triangle

Length = n
Perimeter 270395835
Area 3.5176945188255E+15
Altitude 78056554.062502

Triangular Pyramid

Length = n
Surface area 3.5176945188255E+15
Volume 8.6291889928425E+22
Height 42488606.340689