81762020 (number)

81762020 is an even 8-digits composite number following 81762019 and preceding 81762021. In scientific notation, it is written as 8.1762020 × 10^7. The sum of its digits is 26. It has a total of 6 prime factors and 36 positive divisors. There are 31570560 positive integers (up to 81762020) that are relatively prime to 81762020.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred sixty-two thousand twenty

Notation

Scientific notation 8.1762020 × 10^7
Engineering notation 8.1762020 × 10^6

Prime Factorization of 81762020

Prime Factorization 2 × 2 × 5 × 29 × 29 × 4861

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1409690
Product of the distinct prime numbers

The prime factorization of 81762020 is 2 × 2 × 5 × 29 × 29 × 4861. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 4, 87, 93, 52, 305, 2831, 3805, 40098, 19700, 405369, 130246, 4177180, 5296559, 88493762, 25461112, 675357363, 640571867, 6754878686, 8345919189

Basic calculations (n = 81762020)

Multiplication

n×y
n×2 163524040
n×3 245286060
n×4 327048080
n×5 408810100

Division

n÷y
n÷2 40881010
n÷3 27254006.666667
n÷3 20440505
n÷5 16352404

Exponentiation

ny
n2 6685027914480400
n3 5.465813860443E+23
n4 4.4689598217382E+31
n5 3.6539118232416E+39

Nth Root

y√n
2√n 9042.2353430996
3√n 434.02745690505
4√n 95.090669064318
5√n 38.239334244768

Divisors of 81762020

1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 3364, 4205, 4861, 8410, 9722, 16820, 19444, 24305, 48610, 97220, 140969, 281938, 563876, 704845, 1409690, 2819380, 4088101, 8176202, 16352404, 20440505, 40881010, 81762020

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81762019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81762020 can be divided by 36 positive divisors. The sum of these divisors (counting 81762020) is 1, the average is 0.027777777777778.

Base conversion 81762020

Base System Value
2 Binary 100110111111001011011100100
3 Ternary 12200211221101222
4 Quaternary 10313321123210
5 Quinary 131412341040
6 Senary 12040235512
8 Octal 467713344
10 Decimal 81762020
12 Duodecimal 2346bb98
16 Hexadecimal 4df96e4
20 Vigesimal 15b0510
36 Base36 1cofz8

Cryptographic Hash Functions

md5 50a5d1d193f0c0e7b5369b229e3345e8
sha1 0a1a114859224e5c2e89ae8ebb4534624a18004c
sha256 25db1620a9926915447619b520791db183f6536236ebdb31e6a43cebcd3338f1
sha512 7134558644b95214d19c911cc469d4288102452144fbb923791aba7de89fe4cecc5acb60de6f29dd61b3c93d198ba1d8ff10d708e6d820ec508fd7cc2edd476d
ripemd-160 4df1cbe6730f970c01871a98ebad1d6c7c0a539e

81762020 as geometric shapes

Circle

Radius = n
Diameter 163524040
Circumference 513725922.74932
Area 2.1001634585174E+16

Sphere

Radius = n
Volume 2.289514755981E+24
Surface area 8.4006538340697E+16
Circumference 513725922.74932

Square

Length = n
Perimeter 327048080
Area 6685027914480400
Diagonal 115628957.57102

Cube

Length = n
Surface area 40110167486882400
Volume 5.465813860443E+23
Space diagonal 141615972.76946

Equilateral Triangle

Length = n
Perimeter 245286060
Area 2.8947019994741E+15
Altitude 70807986.384731

Triangular Pyramid

Length = n
Surface area 2.8947019994741E+15
Volume 6.4415234090378E+22
Height 38542985.857007