81396057 (number)

81396057 is an odd 8-digits composite number following 81396056 and preceding 81396058. In scientific notation, it is written as 8.1396057 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 48090240 positive integers (up to 81396057) that are relatively prime to 81396057.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred ninety-six thousand fifty-seven

Notation

Scientific notation 8.1396057 × 10^7
Engineering notation 8.1396057 × 10^6

Prime Factorization of 81396057

Prime Factorization 69 × 19 × 47 × 1321

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81396057
Product of the distinct prime numbers

The prime factorization of 81396057 is 69 × 19 × 47 × 1321. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 7, 90, 366, 185, 1864, 2494, 10447, 24221, 639505, 994527, 5449306, 4950321, 12381571, 43031662, 260529260, 195427995, 5656832000, 3447030581

Basic calculations (n = 81396057)

Multiplication

n×y
n×2 162792114
n×3 244188171
n×4 325584228
n×5 406980285

Division

n÷y
n÷2 40698028.5
n÷3 27132019
n÷3 20349014.25
n÷5 16279211.4

Exponentiation

ny
n2 6625318095147249
n3 5.3927476931574E+23
n4 4.3894839861886E+31
n5 3.5728668874039E+39

Nth Root

y√n
2√n 9021.976335593
3√n 433.37892610355
4√n 94.984084643655
5√n 38.205041295795

Divisors of 81396057

1, 19, 47, 69, 893, 1311, 1321, 3243, 25099, 61617, 62087, 91149, 1179653, 1731831, 4284003, 81396057

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81396056
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81396057 can be divided by 16 positive divisors. The sum of these divisors (counting 81396057) is 1, the average is 0.0625.

Base conversion 81396057

Base System Value
2 Binary 100110110100000000101011001
3 Ternary 12200011100101210
4 Quaternary 10312200011121
5 Quinary 131314133212
6 Senary 12024333333
8 Octal 466400531
10 Decimal 81396057
12 Duodecimal 23314249
16 Hexadecimal 4da0159
20 Vigesimal 158ea2h
36 Base36 1cglll

Cryptographic Hash Functions

md5 aa9374f974825b4c51cd5e57615f2584
sha1 bf3eb781e26d229b9d89b6599547b4e3b30dc886
sha256 4622020ec57f638635d1a137e88b53c60c0f2705db3adc39518b0f7b75e4cc47
sha512 0ae8c04dbf233e702dbdd0496e371d8df266f5a98d0253512c6cc5b2e282646f92ca2bbf91b0b0d27907015fff19a778b08e6f975a0a9f3e0b34904dc0c3ebb4
ripemd-160 5325e5077644268d42a2476473393673db86ce42

81396057 as geometric shapes

Circle

Radius = n
Diameter 162792114
Circumference 511426509.40475
Area 2.081405065541E+16

Sphere

Radius = n
Volume 2.2589088713982E+24
Surface area 8.325620262164E+16
Circumference 511426509.40475

Square

Length = n
Perimeter 325584228
Area 6625318095147249
Diagonal 115111407.73309

Cube

Length = n
Surface area 39751908570883494
Volume 5.3927476931574E+23
Space diagonal 140982106.25977

Equilateral Triangle

Length = n
Perimeter 244188171
Area 2.8688468892751E+15
Altitude 70491053.129886

Triangular Pyramid

Length = n
Surface area 2.8688468892751E+15
Volume 6.3554141050995E+22
Height 38370469.244365