91387968 (number)

91387968 is an even 8-digits composite number following 91387967 and preceding 91387969. In scientific notation, it is written as 9.1387968 × 10^7. The sum of its digits is 51. It has a total of 10 prime factors and 112 positive divisors. There are 25804800 positive integers (up to 91387968) that are relatively prime to 91387968.

Interesting facts

Basic properties

Name

Name ninety-one million three hundred eighty-seven thousand nine hundred sixty-eight

Notation

Scientific notation 9.1387968 × 10^7
Engineering notation 9.1387968 × 10^6

Prime Factorization of 91387968

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 7 × 3 × 97 × 701

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 2855874
Product of the distinct prime numbers

The prime factorization of 91387968 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 3 × 97 × 701. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91387968)

Multiplication

n×y
n×2 182775936
n×3 274163904
n×4 365551872
n×5 456939840

Division

n÷y
n÷2 45693984
n÷3 30462656
n÷3 22846992
n÷5 18277593.6

Exponentiation

ny
n2 8351760695169024
n3 7.6325043915376E+23
n4 6.975190670937E+31
n5 6.3744850182949E+39

Nth Root

y√n
2√n 9559.7054347924
3√n 450.43245341167
4√n 97.773746142778
5√n 39.10009424413

Divisors of 91387968

112 divisors

τ Total Divisors 112
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91387967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0089285714285714
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 112
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91387968 can be divided by 112 positive divisors. The sum of these divisors (counting 91387968) is 1, the average is 0.0089285714285714.

Base conversion 91387968

Base System Value
2 Binary 101011100100111100001000000
3 Ternary 20100221222201120
4 Quaternary 11130213201000
5 Quinary 141343403333
6 Senary 13022432240
8 Octal 534474100
10 Decimal 91387968
12 Duodecimal 26732680
16 Hexadecimal 5727840
20 Vigesimal 18b39i8
36 Base36 1iereo

Cryptographic Hash Functions

md5 fbafe50d4e937856c72257d760ebf208
sha1 12e106b710efb3852f12e2294cc9c356406964de
sha256 834e63e0e20c338c399d7a646150e9bcbc63c220349662eb0f4688bc635e22b8
sha512 bb6a2027912a8f226665859de3db9bfd67f273a053fd0863eb677e1c66020b64b351682897236fcbabbcd3039c723c98fcae8060f784bb0db462e6bf6df26008
ripemd-160 cfee2afa3ab97b9d0e09240163ffd66b94d840fe

91387968 as geometric shapes

Circle

Radius = n
Diameter 182775936
Circumference 574207537.7906
Area 2.6237830044483E+16

Sphere

Radius = n
Volume 3.1970959633262E+24
Surface area 1.0495132017793E+17
Circumference 574207537.7906

Square

Length = n
Perimeter 365551872
Area 8351760695169024
Diagonal 129242103.78332

Cube

Length = n
Surface area 50110564171014144
Volume 7.6325043915376E+23
Space diagonal 158288603.77648

Equilateral Triangle

Length = n
Perimeter 274163904
Area 3.6164184641724E+15
Altitude 79144301.888239

Triangular Pyramid

Length = n
Surface area 3.6164184641724E+15
Volume 8.9949926878206E+22
Height 43080701.261106