81122020 (number)

81122020 is an even 8-digits composite number following 81122019 and preceding 81122021. In scientific notation, it is written as 8.1122020 × 10^7. The sum of its digits is 16. It has a total of 6 prime factors and 48 positive divisors. There are 26348544 positive integers (up to 81122020) that are relatively prime to 81122020.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1122020 × 10^7
Engineering notation 8.1122020 × 10^6

Prime Factorization of 81122020

Prime Factorization 2 × 2 × 7 × 5 × 19 × 30497

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 40561010
Product of the distinct prime numbers

The prime factorization of 81122020 is 2 × 2 × 7 × 5 × 19 × 30497. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 9, 68, 96, 3, 577, 2309, 5701, 58438, 5200, 83485, 834504, 2155522, 2471562, 83766185, 36052325, 318261662, 410608606, 748720442, 5931518931

Basic calculations (n = 81122020)

Multiplication

n×y
n×2 162244040
n×3 243366060
n×4 324488080
n×5 405610100

Division

n÷y
n÷2 40561010
n÷3 27040673.333333
n÷3 20280505
n÷5 16224404

Exponentiation

ny
n2 6580782128880400
n3 5.3384633947468E+23
n4 4.3306693427792E+31
n5 3.5131264503832E+39

Nth Root

y√n
2√n 9006.776337847
3√n 432.89202541101
4√n 94.904037521314
5√n 38.179281515589

Divisors of 81122020

1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 30497, 60994, 121988, 152485, 213479, 304970, 426958, 579443, 609940, 853916, 1067395, 1158886, 2134790, 2317772, 2897215, 4056101, 4269580, 5794430, 8112202, 11588860, 16224404, 20280505, 40561010, 81122020

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81122019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81122020 can be divided by 48 positive divisors. The sum of these divisors (counting 81122020) is 1, the average is 0.020833333333333.

Base conversion 81122020

Base System Value
2 Binary 100110101011101001011100100
3 Ternary 12122122102111021
4 Quaternary 10311131023210
5 Quinary 131231401040
6 Senary 12014420524
8 Octal 465351344
10 Decimal 81122020
12 Duodecimal 23201744
16 Hexadecimal 4d5d2e4
20 Vigesimal 1570510
36 Base36 1caq5g

Cryptographic Hash Functions

md5 1444f74f98c1a2a2ee851ee3cb2cd7bf
sha1 3e7e790a50259f421b83ff1a7dc96afd2397a156
sha256 7a776b5383ba11aed63d2584ca56c5908747fb7da6d2f19b5552717abaec9e18
sha512 e7195641893372d584a737933e67a837ad6f87d07851e03975871fbc2c36941241e768bda439c4ecb080af48e8dccb7da4e4f1a70ae149b3a7a25283af0824cb
ripemd-160 7ddc03b95ec6cf0c6cc9fd8d8393df5a3a0245f4

81122020 as geometric shapes

Circle

Radius = n
Diameter 162244040
Circumference 509704684.15273
Area 2.0674136790966E+16

Sphere

Radius = n
Volume 2.2361703176526E+24
Surface area 8.2696547163863E+16
Circumference 509704684.15273

Square

Length = n
Perimeter 324488080
Area 6580782128880400
Diagonal 114723860.8911

Cube

Length = n
Surface area 39484692773282400
Volume 5.3384633947468E+23
Space diagonal 140507460.25262

Equilateral Triangle

Length = n
Perimeter 243366060
Area 2.8495622501905E+15
Altitude 70253730.126309

Triangular Pyramid

Length = n
Surface area 2.8495622501905E+15
Volume 6.2914394459027E+22
Height 38241286.9637