91081488 (number)

91081488 is an even 8-digits composite number following 91081487 and preceding 91081489. In scientific notation, it is written as 9.1081488 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 40 positive divisors. There are 29679936 positive integers (up to 91081488) that are relatively prime to 91081488.

Interesting facts

Basic properties

Name

Name ninety-one million eighty-one thousand four hundred eighty-eight

Notation

Scientific notation 9.1081488 × 10^7
Engineering notation 9.1081488 × 10^6

Prime Factorization of 91081488

Prime Factorization 2 × 2 × 2 × 2 × 141 × 47 × 859

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 11385186
Product of the distinct prime numbers

The prime factorization of 91081488 is 2 × 2 × 2 × 2 × 141 × 47 × 859. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 2, 25, 65, 676, 745, 9035, 179, 53759, 15994, 793102, 680123, 1589979, 9582292, 18927162, 27629108, 210336499, 581276337, 5763692787, 7465824742

Basic calculations (n = 91081488)

Multiplication

n×y
n×2 182162976
n×3 273244464
n×4 364325952
n×5 455407440

Division

n÷y
n÷2 45540744
n÷3 30360496
n÷3 22770372
n÷5 18216297.6

Exponentiation

ny
n2 8295837456294144
n3 7.5559721972541E+23
n4 6.8820919101253E+31
n5 6.2683117172697E+39

Nth Root

y√n
2√n 9543.6621901658
3√n 449.9283639054
4√n 97.691668990584
5√n 39.07383366597

Divisors of 91081488

1, 2, 4, 8, 16, 47, 94, 141, 188, 282, 376, 564, 752, 859, 1128, 1718, 2256, 3436, 6627, 6872, 13254, 13744, 26508, 40373, 53016, 80746, 106032, 121119, 161492, 242238, 322984, 484476, 645968, 968952, 1937904, 5692593, 11385186, 22770372, 45540744, 91081488

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91081487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91081488 can be divided by 40 positive divisors. The sum of these divisors (counting 91081488) is 1, the average is 0.025.

Base conversion 91081488

Base System Value
2 Binary 101011011011100101100010000
3 Ternary 20100101102022110
4 Quaternary 11123130230100
5 Quinary 141304101423
6 Senary 13012105320
8 Octal 533345420
10 Decimal 91081488
12 Duodecimal 26605240
16 Hexadecimal 56dcb10
20 Vigesimal 18953e8
36 Base36 1i86xc

Cryptographic Hash Functions

md5 f6b21dc630a31a51b6493971dd061372
sha1 16d4f31ec84cbe631166e834b05f472360574157
sha256 77cde9f77c7fb39b9ee33e7ee93186b9bd1eb97b615daf378ce6c68025703b2a
sha512 4ce58afe42ce68cf540edc276e491ddfddda6226fbd211efe80121eab59b57c003d102560bac6af2b131533cd935461721862cf913c31fe277c435ddba147929
ripemd-160 bb73589b432ed182690db7b2c2fea1c642f89509

91081488 as geometric shapes

Circle

Radius = n
Diameter 182162976
Circumference 572281867.15765
Area 2.6062142008069E+16

Sphere

Radius = n
Volume 3.1650382327496E+24
Surface area 1.0424856803227E+17
Circumference 572281867.15765

Square

Length = n
Perimeter 364325952
Area 8295837456294144
Diagonal 128808675.61072

Cube

Length = n
Surface area 49775024737764864
Volume 7.5559721972541E+23
Space diagonal 157757764.84497

Equilateral Triangle

Length = n
Perimeter 273244464
Area 3.5922029914086E+15
Altitude 78878882.422487

Triangular Pyramid

Length = n
Surface area 3.5922029914086E+15
Volume 8.9047986318923E+22
Height 42936225.203574