81446265 (number)

81446265 is an odd 8-digits composite number following 81446264 and preceding 81446266. In scientific notation, it is written as 8.1446265 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 43437984 positive integers (up to 81446265) that are relatively prime to 81446265.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred forty-six thousand two hundred sixty-five

Notation

Scientific notation 8.1446265 × 10^7
Engineering notation 8.1446265 × 10^6

Prime Factorization of 81446265

Prime Factorization 3 × 3 × 5 × 1809917

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 27148755
Product of the distinct prime numbers

The prime factorization of 81446265 is 3 × 3 × 5 × 1809917. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 64, 46, 302, 493, 9434, 1550, 65547, 83154, 903118, 748266, 8486824, 9181463, 38869483, 16187334, 542757414, 317126770, 8350141587, 7604276721

Basic calculations (n = 81446265)

Multiplication

n×y
n×2 162892530
n×3 244338795
n×4 325785060
n×5 407231325

Division

n÷y
n÷2 40723132.5
n÷3 27148755
n÷3 20361566.25
n÷5 16289253

Exponentiation

ny
n2 6633494082450225
n3 5.4027331691517E+23
n4 4.4003243741902E+31
n5 3.5838998506626E+39

Nth Root

y√n
2√n 9024.7584455209
3√n 433.46801566361
4√n 94.998728652129
5√n 38.209753380566

Divisors of 81446265

1, 3, 5, 9, 15, 45, 1809917, 5429751, 9049585, 16289253, 27148755, 81446265

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81446264
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81446265 can be divided by 12 positive divisors. The sum of these divisors (counting 81446265) is 1, the average is 0.083333333333333.

Base conversion 81446265

Base System Value
2 Binary 100110110101100010101111001
3 Ternary 12200020220021100
4 Quaternary 10312230111321
5 Quinary 131322240030
6 Senary 12025402013
8 Octal 466542571
10 Decimal 81446265
12 Duodecimal 23339309
16 Hexadecimal 4dac579
20 Vigesimal 1590fd5
36 Base36 1choc9

Cryptographic Hash Functions

md5 b6db47c2fdbab4c245edbf92c568da2c
sha1 1575fcf305d1c39dec78cc8e0b3d8de33024e3e4
sha256 e7d9e1c122388a2ac37e0d0f2a3a95bdbb7b8aa2d3ec974f1cfb2dd03aaf7b4b
sha512 620b3a19603add54402354460fd1de44110927946ca803547c2a4ad0c93087e95d224aa115ed3b9f25ebf776fd3499bfae3391d15b65a58ad1e3ac8863609846
ripemd-160 c572839865c1e023c2ea495b6be55f5de6d5373d

81446265 as geometric shapes

Circle

Radius = n
Diameter 162892530
Circumference 511741975.57265
Area 2.0839736277057E+16

Sphere

Radius = n
Volume 2.2630915778017E+24
Surface area 8.3358945108228E+16
Circumference 511741975.57265

Square

Length = n
Perimeter 325785060
Area 6633494082450225
Diagonal 115182412.56763

Cube

Length = n
Surface area 39800964494701350
Volume 5.4027331691517E+23
Space diagonal 141069069.06672

Equilateral Triangle

Length = n
Perimeter 244338795
Area 2.8723871956278E+15
Altitude 70534534.533359

Triangular Pyramid

Length = n
Surface area 2.8723871956278E+15
Volume 6.3671821014145E+22
Height 38394137.522544