81102020 (number)

81102020 is an even 8-digits composite number following 81102019 and preceding 81102021. In scientific notation, it is written as 8.1102020 × 10^7. The sum of its digits is 14. It has a total of 5 prime factors and 24 positive divisors. There are 32403456 positive integers (up to 81102020) that are relatively prime to 81102020.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred two thousand twenty

Notation

Scientific notation 8.1102020 × 10^7
Engineering notation 8.1102020 × 10^6

Prime Factorization of 81102020

Prime Factorization 2 × 2 × 5 × 1153 × 3517

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40551010
Product of the distinct prime numbers

The prime factorization of 81102020 is 2 × 2 × 5 × 1153 × 3517. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 4, 3, 2, 367, 327, 6482, 2956, 31868, 44596, 772770, 669515, 6031943, 5916198, 49205949, 90820206, 451995551, 881182710, 4582957826, 2828533828

Basic calculations (n = 81102020)

Multiplication

n×y
n×2 162204040
n×3 243306060
n×4 324408080
n×5 405510100

Division

n÷y
n÷2 40551010
n÷3 27034006.666667
n÷3 20275505
n÷5 16220404

Exponentiation

ny
n2 6577537648080400
n3 5.3345158988537E+23
n4 4.3264001511915E+31
n5 3.5087979158994E+39

Nth Root

y√n
2√n 9005.6659942505
3√n 432.85644710517
4√n 94.898187518258
5√n 38.177398769218

Divisors of 81102020

1, 2, 4, 5, 10, 20, 1153, 2306, 3517, 4612, 5765, 7034, 11530, 14068, 17585, 23060, 35170, 70340, 4055101, 8110202, 16220404, 20275505, 40551010, 81102020

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 -81102019
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 81102020 can be divided by 24 positive divisors. The sum of these divisors (counting 81102020) is 1, the average is 0.041666666666667.

Base conversion 81102020

Base System Value
2 Binary 100110101011000010011000100
3 Ternary 12122121102001112
4 Quaternary 10311120103010
5 Quinary 131230231040
6 Senary 12014144152
8 Octal 465302304
10 Decimal 81102020
12 Duodecimal 231b2058
16 Hexadecimal 4d584c4
20 Vigesimal 156hf10
36 Base36 1caapw

Cryptographic Hash Functions

md5 318de7cbf220c41bd7a574b2a08f47bf
sha1 6408f3a3a3d0c0f47ff594130c4f08f1004163b0
sha256 86e42e5814447e26aff9e72b9818b4873f26fa5dca0fefebd8e8777598dba5f8
sha512 92559e6ddf0bb98cceffe84260175cc4a0539cf7a7c4cc669fa147dafff19ac95fea38fd535a1089dae5b9cb8f1bd5dbcc2955b81c47142035c29836e7caf4cb
ripemd-160 3f902d72a584cc4f5422cced9c3f7402b73d37fa

81102020 as geometric shapes

Circle

Radius = n
Diameter 162204040
Circumference 509579020.44658
Area 2.066394395392E+16

Sphere

Radius = n
Volume 2.2345167944396E+24
Surface area 8.2655775815679E+16
Circumference 509579020.44658

Square

Length = n
Perimeter 324408080
Area 6577537648080400
Diagonal 114695576.61985

Cube

Length = n
Surface area 39465225888482400
Volume 5.3345158988537E+23
Space diagonal 140472819.23647

Equilateral Triangle

Length = n
Perimeter 243306060
Area 2.8481573487931E+15
Altitude 70236409.618234

Triangular Pyramid

Length = n
Surface area 2.8481573487931E+15
Volume 6.2867872773782E+22
Height 38231858.873285