90131818 (number)

90131818 is an even 8-digits composite number following 90131817 and preceding 90131819. In scientific notation, it is written as 9.0131818 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors. There are 36979200 positive integers (up to 90131818) that are relatively prime to 90131818.

Interesting facts

Basic properties

Name

Name ninety million one hundred thirty-one thousand eight hundred eighteen

Notation

Scientific notation 9.0131818 × 10^7
Engineering notation 9.0131818 × 10^6

Prime Factorization of 90131818

Prime Factorization 2 × 7 × 31 × 97 × 2141

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 90131818
Product of the distinct prime numbers

The prime factorization of 90131818 is 2 × 7 × 31 × 97 × 2141. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 90131818)

Multiplication

n×y
n×2 180263636
n×3 270395454
n×4 360527272
n×5 450659090

Division

n÷y
n÷2 45065909
n÷3 30043939.333333
n÷3 22532954.5
n÷5 18026363.6

Exponentiation

ny
n2 8123744615985124
n3 7.3220787120645E+23
n4 6.5995226585747E+31
n5 5.9482697514953E+39

Nth Root

y√n
2√n 9493.777857102
3√n 448.35915674545
4√n 97.43601930037
5√n 38.992010268772

Divisors of 90131818

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -90131817
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 90131818 can be divided by 32 positive divisors. The sum of these divisors (counting 90131818) is 1, the average is 0.03125.

Base conversion 90131818

Base System Value
2 Binary 101010111110100110101101010
3 Ternary 20021121011121111
4 Quaternary 11113310311222
5 Quinary 141033204233
6 Senary 12535500534
8 Octal 527646552
10 Decimal 90131818
12 Duodecimal 2622774a
16 Hexadecimal 55f4d6a
20 Vigesimal 18369ai
36 Base36 1hnu5m

Cryptographic Hash Functions

md5 7391f4c0b57c6a95a29a5f3b27d07f51
sha1 c413d790ae8c288e8d2bf7fdddb8d887ac2797b4
sha256 964261ceb6d1e2d8a633c6e1e76a52fda2b150c00b725bd1870aabcd5335a200
sha512 74d1f863a571ce5f680565737aa59baca8677d7316ec386177d744aa4cb5e340e35da814c366f6ddca93cd3eb2abb47080a5e7040e47ab66dca2ec6df44ec041
ripemd-160 78cb3e9be440ed693664d52c9d1450c4aae8dc6e

90131818 as geometric shapes

Circle

Radius = n
Diameter 180263636
Circumference 566314914.56698
Area 2.5521496405218E+16

Sphere

Radius = n
Volume 3.0670651587771E+24
Surface area 1.0208598562087E+17
Circumference 566314914.56698

Square

Length = n
Perimeter 360527272
Area 8123744615985124
Diagonal 127465639.41694

Cube

Length = n
Surface area 48742467695910744
Volume 7.3220787120645E+23
Space diagonal 156112888.15455

Equilateral Triangle

Length = n
Perimeter 270395454
Area 3.5176846056501E+15
Altitude 78056444.077276

Triangular Pyramid

Length = n
Surface area 3.5176846056501E+15
Volume 8.6291525161375E+22
Height 42488546.472314