81361258 (number)

81361258 is an even 8-digits composite number following 81361257 and preceding 81361259. In scientific notation, it is written as 8.1361258 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 35369400 positive integers (up to 81361258) that are relatively prime to 81361258.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred sixty-one thousand two hundred fifty-eight

Notation

Scientific notation 8.1361258 × 10^7
Engineering notation 8.1361258 × 10^6

Prime Factorization of 81361258

Prime Factorization 2 × 11 × 23 × 23 × 6991

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3537446
Product of the distinct prime numbers

The prime factorization of 81361258 is 2 × 11 × 23 × 23 × 6991. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 1, 96, 94, 169, 534, 9861, 7832, 39210, 8369, 62142, 130206, 6297499, 7600122, 84988124, 11010222, 271376117, 714664205, 5836435777, 2475341951

Basic calculations (n = 81361258)

Multiplication

n×y
n×2 162722516
n×3 244083774
n×4 325445032
n×5 406806290

Division

n÷y
n÷2 40680629
n÷3 27120419.333333
n÷3 20340314.5
n÷5 16272251.6

Exponentiation

ny
n2 6619654303342564
n3 5.3858340164506E+23
n4 4.3819823095762E+31
n5 3.5652359324086E+39

Nth Root

y√n
2√n 9020.0475608502
3√n 433.31715692408
4√n 94.973930953974
5√n 38.201774000799

Divisors of 81361258

1, 2, 11, 22, 23, 46, 253, 506, 529, 1058, 5819, 6991, 11638, 13982, 76901, 153802, 160793, 321586, 1768723, 3537446, 3698239, 7396478, 40680629, 81361258

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81361257
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81361258 can be divided by 24 positive divisors. The sum of these divisors (counting 81361258) is 1, the average is 0.041666666666667.

Base conversion 81361258

Base System Value
2 Binary 100110110010111100101101010
3 Ternary 12200002120122221
4 Quaternary 10312113211222
5 Quinary 131312030013
6 Senary 12023504254
8 Octal 466274552
10 Decimal 81361258
12 Duodecimal 232b808a
16 Hexadecimal 4d9796a
20 Vigesimal 158a32i
36 Base36 1cfuqy

Cryptographic Hash Functions

md5 7fee393311fcb2f114ae48f4acad2955
sha1 1935cdcd0aa831e2057ceb3d4264513eb7238836
sha256 bef7cc14e547e42f0c07122d527baea74a8d7505127c0b18bf11b19dd551be6c
sha512 ad403b878645c90e58b8ad2f8ae56418d928b965a244c0d357ab9a4ee0550412dfc277c4c980f60e970c57ad9321adb940f4268b8e18e4619760721d59d079c3
ripemd-160 e552724761bda4691342fbc6a3eb7b25854befb1

81361258 as geometric shapes

Circle

Radius = n
Diameter 162722516
Circumference 511207860.83925
Area 2.0796257328685E+16

Sphere

Radius = n
Volume 2.2560128772714E+24
Surface area 8.318502931474E+16
Circumference 511207860.83925

Square

Length = n
Perimeter 325445032
Area 6619654303342564
Diagonal 115062194.51534

Cube

Length = n
Surface area 39717925820055384
Volume 5.3858340164506E+23
Space diagonal 140921832.62372

Equilateral Triangle

Length = n
Perimeter 244083774
Area 2.8663943954828E+15
Altitude 70460916.31186

Triangular Pyramid

Length = n
Surface area 2.8663943954828E+15
Volume 6.3472662589624E+22
Height 38354064.838445