90438991 (number)

90438991 is an odd 8-digits composite number following 90438990 and preceding 90438992. In scientific notation, it is written as 9.0438991 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 90418984 positive integers (up to 90438991) that are relatively prime to 90438991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.0438991 × 10^7
Engineering notation 9.0438991 × 10^6

Prime Factorization of 90438991

Prime Factorization 6899 × 13109

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 90438991
Product of the distinct prime numbers

The prime factorization of 90438991 is 6899 × 13109. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 90438991)

Multiplication

n×y
n×2 180877982
n×3 271316973
n×4 361755964
n×5 452194955

Division

n÷y
n÷2 45219495.5
n÷3 30146330.333333
n÷3 22609747.75
n÷5 18087798.2

Exponentiation

ny
n2 8179211093098081
n3 7.397195984358E+23
n4 6.6899494105459E+31
n5 6.0503227453081E+39

Nth Root

y√n
2√n 9509.941692776
3√n 448.86792146243
4√n 97.518929920175
5√n 39.01855139198

Divisors of 90438991

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -90438990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 90438991 can be divided by 4 positive divisors. The sum of these divisors (counting 90438991) is 1, the average is 0.25.

Base conversion 90438991

Base System Value
2 Binary 101011000111111110101001111
3 Ternary 20022011202222021
4 Quaternary 11120333311033
5 Quinary 141123021431
6 Senary 12550231011
8 Octal 530776517
10 Decimal 90438991
12 Duodecimal 26355467
16 Hexadecimal 563fd4f
20 Vigesimal 1854h9b
36 Base36 1huf67

Cryptographic Hash Functions

md5 d6562a46c689e18a5f3de8a9678972ff
sha1 efd63a3cc7a48f0925107134e5cca7ea80067d1a
sha256 efba6549a1aca3cd28c072cd426129f8f7f9d30f05aabae2c2d27eb5c5b1f85c
sha512 def9c2f5feb7f0cc8cd59341d63ffb7cbaed1a8f1e6163fe0c670bbcc9aa4e7b44e31e832ff8aee2bb2389bf6db358b5c0104def567b8e3f606a16f752746cd6
ripemd-160 b333f8e00c86e6545b2df2645ecb614d44dbd008

90438991 as geometric shapes

Circle

Radius = n
Diameter 180877982
Circumference 568244939.44735
Area 2.5695749482237E+16

Sphere

Radius = n
Volume 3.0985302082164E+24
Surface area 1.0278299792895E+17
Circumference 568244939.44735

Square

Length = n
Perimeter 361755964
Area 8179211093098081
Diagonal 127900047.63954

Cube

Length = n
Surface area 49075266558588486
Volume 7.397195984358E+23
Space diagonal 156644927.39726

Equilateral Triangle

Length = n
Perimeter 271316973
Area 3.5417022947692E+15
Altitude 78322463.698632

Triangular Pyramid

Length = n
Surface area 3.5417022947692E+15
Volume 8.717679070509E+22
Height 42633349.213179