81772020 (number)

81772020 is an even 8-digits composite number following 81772019 and preceding 81772021. In scientific notation, it is written as 8.1772020 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 19823040 positive integers (up to 81772020) that are relatively prime to 81772020.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1772020 × 10^7
Engineering notation 8.1772020 × 10^6

Prime Factorization of 81772020

Prime Factorization 2 × 2 × 15 × 3 × 11 × 41299

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 40886010
Product of the distinct prime numbers

The prime factorization of 81772020 is 2 × 2 × 15 × 3 × 11 × 41299. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 10, 69, 99, 114, 658, 6962, 9394, 35970, 72745, 54602, 684385, 5805137, 9316987, 82646493, 4630729, 555407187, 243273554, 8714492804, 9768774281

Basic calculations (n = 81772020)

Multiplication

n×y
n×2 163544040
n×3 245316060
n×4 327088080
n×5 408860100

Division

n÷y
n÷2 40886010
n÷3 27257340
n÷3 20443005
n÷5 16354404

Exponentiation

ny
n2 6686663254880400
n3 5.4678196141135E+23
n4 4.4711465484168E+31
n5 3.6561468498007E+39

Nth Root

y√n
2√n 9042.7882868062
3√n 434.04515092987
4√n 95.093576474998
5√n 38.240269580358

Divisors of 81772020

1, 2, 3, 4, 6, 11, 12, 15, 22, 30, 33, 44, 45, 60, 66, 90, 132, 165, 180, 330, 495, 660, 990, 1980, 41299, 82598, 123897, 165196, 247794, 454289, 495588, 619485, 908578, 1238970, 1362867, 1817156, 1858455, 2477940, 2725734, 3716910, 5451468, 6814335, 7433820, 13628670, 20443005, 27257340, 40886010, 81772020

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 -81772019
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 81772020 can be divided by 48 positive divisors. The sum of these divisors (counting 81772020) is 1, the average is 0.020833333333333.

Base conversion 81772020

Base System Value
2 Binary 100110111111011110111110100
3 Ternary 12200212110010100
4 Quaternary 10313323313310
5 Quinary 131413201040
6 Senary 12040354100
8 Octal 467736764
10 Decimal 81772020
12 Duodecimal 23475930
16 Hexadecimal 4dfbdf4
20 Vigesimal 15b1a10
36 Base36 1conp0

Cryptographic Hash Functions

md5 766f2d175c886337feaf09259f9f5a95
sha1 0a7145b2de9affbba25fb418c6a75a461941e528
sha256 c2f9217716a25aa1634ffb2c4ac065dd72c76be784f6fe1618aa10abcdbefaf3
sha512 bafcd69caa4b72df9841e7cdbab3609a85d6049691f8bb35b46870766bc15877deff776e56848329cb0595fce42ce3163803f35bf3dcde0fe171855ca8421233
ripemd-160 96a28d66fa3dc1997e6cf9fcf6a74169f01cc2e7

81772020 as geometric shapes

Circle

Radius = n
Diameter 163544040
Circumference 513788754.6024
Area 2.1006772158561E+16

Sphere

Radius = n
Volume 2.2903549241137E+24
Surface area 8.4027088634244E+16
Circumference 513788754.6024

Square

Length = n
Perimeter 327088080
Area 6686663254880400
Diagonal 115643099.70664

Cube

Length = n
Surface area 40119979529282400
Volume 5.4678196141135E+23
Space diagonal 141633293.27754

Equilateral Triangle

Length = n
Perimeter 245316060
Area 2.8954101226392E+15
Altitude 70816646.638769

Triangular Pyramid

Length = n
Surface area 2.8954101226392E+15
Volume 6.4438872124074E+22
Height 38547699.902215