90131991 (number)

90131991 is an odd 8-digits composite number following 90131990 and preceding 90131992. In scientific notation, it is written as 9.0131991 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 55427328 positive integers (up to 90131991) that are relatively prime to 90131991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.0131991 × 10^7
Engineering notation 9.0131991 × 10^6

Prime Factorization of 90131991

Prime Factorization 3 × 89 × 19 × 163 × 109

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 90131991
Product of the distinct prime numbers

The prime factorization of 90131991 is 3 × 89 × 19 × 163 × 109. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 9, 89, 30, 358, 570, 1355, 7654, 1674, 32278, 737378, 297116, 6776454, 8027411, 57566030, 33672399, 675207616, 631223199, 3225033393, 2161161214

Basic calculations (n = 90131991)

Multiplication

n×y
n×2 180263982
n×3 270395973
n×4 360527964
n×5 450659955

Division

n÷y
n÷2 45065995.5
n÷3 30043997
n÷3 22532997.75
n÷5 18026398.2

Exponentiation

ny
n2 8123775801624081
n3 7.32212087438E+23
n4 6.5995733275053E+31
n5 5.9483268375855E+39

Nth Root

y√n
2√n 9493.7869683283
3√n 448.35944360709
4√n 97.436066055277
5√n 38.992025237099

Divisors of 90131991

1, 3, 19, 57, 89, 109, 163, 267, 327, 489, 1691, 2071, 3097, 5073, 6213, 9291, 9701, 14507, 17767, 29103, 43521, 53301, 184319, 275633, 337573, 552957, 826899, 1012719, 1581263, 4743789, 30043997, 90131991

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 -90131990
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 90131991 can be divided by 32 positive divisors. The sum of these divisors (counting 90131991) is 1, the average is 0.03125.

Base conversion 90131991

Base System Value
2 Binary 101010111110100111000010111
3 Ternary 20021121011211220
4 Quaternary 11113310320113
5 Quinary 141033210431
6 Senary 12535501423
8 Octal 527647027
10 Decimal 90131991
12 Duodecimal 26227873
16 Hexadecimal 55f4e17
20 Vigesimal 18369jb
36 Base36 1hnuaf

Cryptographic Hash Functions

md5 17f018ea123808928c7a1b28a1890d78
sha1 ad096cb6d8a9a911a75014b91c8a539917becca5
sha256 e5cc4df00fc9d4a2631ab458fa137bacae9d76c8a31236a0dde2161bf1c6f34b
sha512 86fadee8e3c1c54bf46174c808a56c1fc755e2c54824f3151a28cb4ac2eed080fddc302f45512805665f3a311c477a7c102d05d1061eb9dd38d4e6fc27c5296a
ripemd-160 c99ab0404cf0535c182d8efec2ba819c076481b7

90131991 as geometric shapes

Circle

Radius = n
Diameter 180263982
Circumference 566316001.55804
Area 2.5521594377793E+16

Sphere

Radius = n
Volume 3.0670828196865E+24
Surface area 1.0208637751117E+17
Circumference 566316001.55804

Square

Length = n
Perimeter 360527964
Area 8123775801624081
Diagonal 127465884.07589

Cube

Length = n
Surface area 48742654809744486
Volume 7.32212087438E+23
Space diagonal 156113187.79934

Equilateral Triangle

Length = n
Perimeter 270395973
Area 3.5176981094279E+15
Altitude 78056593.89967

Triangular Pyramid

Length = n
Surface area 3.5176981094279E+15
Volume 8.6292022049028E+22
Height 42488628.025297