81223025 (number)

81223025 is an odd 8-digits composite number following 81223024 and preceding 81223026. In scientific notation, it is written as 8.1223025 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 32 positive divisors. There are 55296000 positive integers (up to 81223025) that are relatively prime to 81223025.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1223025 × 10^7
Engineering notation 8.1223025 × 10^6

Prime Factorization of 81223025

Prime Factorization 25 × 61 × 17 × 13 × 241

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81223025
Product of the distinct prime numbers

The prime factorization of 81223025 is 25 × 61 × 17 × 13 × 241. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 1, 10, 18, 359, 834, 3883, 4785, 67729, 8490, 441850, 733809, 2847266, 3271557, 5500451, 54596007, 424840345, 3982930, 6918351994, 1739414814

Basic calculations (n = 81223025)

Multiplication

n×y
n×2 162446050
n×3 243669075
n×4 324892100
n×5 406115125

Division

n÷y
n÷2 40611512.5
n÷3 27074341.666667
n÷3 20305756.25
n÷5 16244605

Exponentiation

ny
n2 6597179790150625
n3 5.358428990249E+23
n4 4.3522781183572E+31
n5 3.5350519441428E+39

Nth Root

y√n
2√n 9012.3817606668
3√n 433.07161546785
4√n 94.933564984503
5√n 38.18878418619

Divisors of 81223025

1, 13, 17, 25, 61, 221, 241, 325, 425, 793, 1037, 1525, 3133, 4097, 5525, 6025, 13481, 14701, 19825, 25925, 53261, 78325, 102425, 191113, 249917, 337025, 367525, 1331525, 3248921, 4777825, 6247925, 81223025

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 -81223024
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 81223025 can be divided by 32 positive divisors. The sum of these divisors (counting 81223025) is 1, the average is 0.03125.

Base conversion 81223025

Base System Value
2 Binary 100110101110101110101110001
3 Ternary 12122211120001012
4 Quaternary 10311311311301
5 Quinary 131243114100
6 Senary 12020520305
8 Octal 465656561
10 Decimal 81223025
12 Duodecimal 23250095
16 Hexadecimal 4d75d71
20 Vigesimal 157chb5
36 Base36 1ccw35

Cryptographic Hash Functions

md5 4097595f08896ecc22123a12ce72a37a
sha1 408b4915ecb3597a9599b9c66cf3d3fa2a6c4f09
sha256 a01c23db26e3df6f5e468ccb8ba42c3390ffb8b64241876ce09b4bb40b735849
sha512 4ea6019a815c54c2c45a649f767fe0b045601ecdad6252ff0311c86ac357e90766fe3ea9513bbe241487b8184e128b3c1c0b30859680f2826edc4dd927718942
ripemd-160 20206c04c9d6027766164042fc5af66c8277683d

81223025 as geometric shapes

Circle

Radius = n
Diameter 162446050
Circumference 510339317.28468
Area 2.0725651563148E+16

Sphere

Radius = n
Volume 2.2445334867398E+24
Surface area 8.2902606252593E+16
Circumference 510339317.28468

Square

Length = n
Perimeter 324892100
Area 6597179790150625
Diagonal 114866703.53197

Cube

Length = n
Surface area 39583078740903750
Volume 5.358428990249E+23
Space diagonal 140682406.04444

Equilateral Triangle

Length = n
Perimeter 243669075
Area 2.8566626458019E+15
Altitude 70341203.022219

Triangular Pyramid

Length = n
Surface area 2.8566626458019E+15
Volume 6.3149691258527E+22
Height 38288901.177323