81708030 (number)

81708030 is an even 8-digits composite number following 81708029 and preceding 81708031. In scientific notation, it is written as 8.1708030 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 21696000 positive integers (up to 81708030) that are relatively prime to 81708030.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred eight thousand thirty

Notation

Scientific notation 8.1708030 × 10^7
Engineering notation 8.1708030 × 10^6

Prime Factorization of 81708030

Prime Factorization 2 × 5 × 9 × 251 × 3617

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81708030
Product of the distinct prime numbers

The prime factorization of 81708030 is 2 × 5 × 9 × 251 × 3617. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 1, 7, 79, 529, 4, 2910, 5023, 59006, 47104, 771854, 901510, 1191160, 7674914, 43409055, 8088883, 696913917, 510264122, 3510093759, 4582769270

Basic calculations (n = 81708030)

Multiplication

n×y
n×2 163416060
n×3 245124090
n×4 326832120
n×5 408540150

Division

n÷y
n÷2 40854015
n÷3 27236010
n÷3 20427007.5
n÷5 16341606

Exponentiation

ny
n2 6676202166480900
n3 5.4549932690489E+23
n4 4.4571675367724E+31
n5 3.6418637880963E+39

Nth Root

y√n
2√n 9039.2494157424
3√n 433.93190193479
4√n 95.074967345471
5√n 38.234282786439

Divisors of 81708030

1, 2, 5, 9, 10, 18, 45, 90, 251, 502, 1255, 2259, 2510, 3617, 4518, 7234, 11295, 18085, 22590, 32553, 36170, 65106, 162765, 325530, 907867, 1815734, 4539335, 8170803, 9078670, 16341606, 40854015, 81708030

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81708029
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81708030 can be divided by 32 positive divisors. The sum of these divisors (counting 81708030) is 1, the average is 0.03125.

Base conversion 81708030

Base System Value
2 Binary 100110111101100001111111110
3 Ternary 12200202012100100
4 Quaternary 10313230033332
5 Quinary 131404124110
6 Senary 12035141530
8 Octal 467541776
10 Decimal 81708030
12 Duodecimal 234448a6
16 Hexadecimal 4dec3fe
20 Vigesimal 15ada1a
36 Base36 1cnabi

Cryptographic Hash Functions

md5 720faf8ff4648444b54180ebe138de5c
sha1 cc8120e204ac7c1afdd59036e0611a5d10f13833
sha256 324b775ff1d2197c64b0dde7a6299a3356e5f2c5a893713331a7156abc17e591
sha512 735a53f7f9f60bb54be54a4a2e4854d00b2c6e24cffe57a170bd1d92f47b051563549f314b891e06f1f3eaefe0b2dd7be34027a09a0571ded2b9ac8228d0cf81
ripemd-160 4398f4fd0ad0aa376d3e40aad2484173a7ee497f

81708030 as geometric shapes

Circle

Radius = n
Diameter 163416060
Circumference 513386693.57459
Area 2.0973907680097E+16

Sphere

Radius = n
Volume 2.2849822372568E+24
Surface area 8.3895630720387E+16
Circumference 513386693.57459

Square

Length = n
Perimeter 326832120
Area 6676202166480900
Diagonal 115552604.18079

Cube

Length = n
Surface area 40057212998885400
Volume 5.4549932690489E+23
Space diagonal 141522459.34636

Equilateral Triangle

Length = n
Perimeter 245124090
Area 2.8908803384866E+15
Altitude 70761229.673181

Triangular Pyramid

Length = n
Surface area 2.8908803384866E+15
Volume 6.4287712197857E+22
Height 38517534.726929