81970528 (number)

81970528 is an even 8-digits composite number following 81970527 and preceding 81970529. In scientific notation, it is written as 8.1970528 × 10^7. The sum of its digits is 40. It has a total of 7 prime factors and 24 positive divisors. There are 39202944 positive integers (up to 81970528) that are relatively prime to 81970528.

Interesting facts

Basic properties

Name

Name eighty-one million nine hundred seventy thousand five hundred twenty-eight

Notation

Scientific notation 8.1970528 × 10^7
Engineering notation 8.1970528 × 10^6

Prime Factorization of 81970528

Prime Factorization 2 × 2 × 2 × 2 × 2 × 23 × 111373

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5123158
Product of the distinct prime numbers

The prime factorization of 81970528 is 2 × 2 × 2 × 2 × 2 × 23 × 111373. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 10, 25, 95, 700, 997, 7509, 3909, 46694, 28762, 257588, 759912, 6317695, 234142, 77493924, 91995769, 142074417, 167048778, 1114207563, 5572475057

Basic calculations (n = 81970528)

Multiplication

n×y
n×2 163941056
n×3 245911584
n×4 327882112
n×5 409852640

Division

n÷y
n÷2 40985264
n÷3 27323509.333333
n÷3 20492632
n÷5 16394105.6

Exponentiation

ny
n2 6719167460598784
n3 5.507737044657E+23
n4 4.514721136357E+31
n5 3.7007407531994E+39

Nth Root

y√n
2√n 9053.7576729223
3√n 434.39609333243
4√n 95.151235792933
5√n 38.258817829632

Divisors of 81970528

1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736, 111373, 222746, 445492, 890984, 1781968, 2561579, 3563936, 5123158, 10246316, 20492632, 40985264, 81970528

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 -81970527
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 81970528 can be divided by 24 positive divisors. The sum of these divisors (counting 81970528) is 1, the average is 0.041666666666667.

Base conversion 81970528

Base System Value
2 Binary 100111000101100010101100000
3 Ternary 12201020112102111
4 Quaternary 10320230111200
5 Quinary 131441024103
6 Senary 12044525104
8 Octal 470542540
10 Decimal 81970528
12 Duodecimal 23550794
16 Hexadecimal 4e2c560
20 Vigesimal 15c6668
36 Base36 1cswv4

Cryptographic Hash Functions

md5 368a7aea89ab726ba0eb3bb6e84ba826
sha1 ad411d061c68f1e151e3420a8566fccec11990d0
sha256 f0956075b68b14c322f87f67fb839972259231838127576d946139984c9ee5f3
sha512 9f13a6b3e04710d2d841f4c75f39aa0affbd6025be9d9f728f4b24730711c11611d95356f454333e9f4618f440785344afcb6ccf252709cfe195a181d2e13a92
ripemd-160 6eee75dcbe80b56e1d42e747e672b9d2de9c387e

81970528 as geometric shapes

Circle

Radius = n
Diameter 163941056
Circumference 515036017.15135
Area 2.1108887132457E+16

Sphere

Radius = n
Volume 2.3070754983198E+24
Surface area 8.4435548529827E+16
Circumference 515036017.15135

Square

Length = n
Perimeter 327882112
Area 6719167460598784
Diagonal 115923832.41248

Cube

Length = n
Surface area 40315004763592704
Volume 5.507737044657E+23
Space diagonal 141977119.21925

Equilateral Triangle

Length = n
Perimeter 245911584
Area 2.9094848565802E+15
Altitude 70988559.609624

Triangular Pyramid

Length = n
Surface area 2.9094848565802E+15
Volume 6.4909303554489E+22
Height 38641277.470828