81330369 (number)

81330369 is an odd 8-digits composite number following 81330368 and preceding 81330370. In scientific notation, it is written as 8.1330369 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 51862800 positive integers (up to 81330369) that are relatively prime to 81330369.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand three hundred sixty-nine

Notation

Scientific notation 8.1330369 × 10^7
Engineering notation 8.1330369 × 10^6

Prime Factorization of 81330369

Prime Factorization 69 × 1178701

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81330369
Product of the distinct prime numbers

The prime factorization of 81330369 is 69 × 1178701. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330369)

Multiplication

n×y
n×2 162660738
n×3 243991107
n×4 325321476
n×5 406651845

Division

n÷y
n÷2 40665184.5
n÷3 27110123
n÷3 20332592.25
n÷5 16266073.8

Exponentiation

ny
n2 6614628921676161
n3 5.3797021099799E+23
n4 4.3753315771475E+31
n5 3.5584733166676E+39

Nth Root

y√n
2√n 9018.3351567792
3√n 433.26231334457
4√n 94.964915399211
5√n 38.198872880867

Divisors of 81330369

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330368
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330369 can be divided by 4 positive divisors. The sum of these divisors (counting 81330369) is 1, the average is 0.25.

Base conversion 81330369

Base System Value
2 Binary 100110110010000000011000001
3 Ternary 12200001000021220
4 Quaternary 10312100003001
5 Quinary 131310032434
6 Senary 12023105253
8 Octal 466200301
10 Decimal 81330369
12 Duodecimal 232a2229
16 Hexadecimal 4d900c1
20 Vigesimal 15865i9
36 Base36 1cf6wx

Cryptographic Hash Functions

md5 34e156c29de92d915cda7575d58f7222
sha1 dd4d528e2f655bec3012cf710566c815693c75d7
sha256 df353a70136569e3d8db170e538d7a31c589e71db05ed33c9a05eae2ca22e44a
sha512 73f73f3981693d7430317a5bc6b7c77b95545fa4771bc7c0485e6f799623a9b0d935e224dff8899ff0696e22c0df6306dbac611bf5bd7a21fdc26a83ebcd3b0a
ripemd-160 70b9b9ba7f5d9833588cad186573b5defaa2fa0c

81330369 as geometric shapes

Circle

Radius = n
Diameter 162660738
Circumference 511013779.52829
Area 2.078046962656E+16

Sphere

Radius = n
Volume 2.2534443502953E+24
Surface area 8.3121878506242E+16
Circumference 511013779.52829

Square

Length = n
Perimeter 325321476
Area 6614628921676161
Diagonal 115018510.87261

Cube

Length = n
Surface area 39687773530056966
Volume 5.3797021099799E+23
Space diagonal 140868331.30632

Equilateral Triangle

Length = n
Perimeter 243991107
Area 2.8642183413894E+15
Altitude 70434165.653162

Triangular Pyramid

Length = n
Surface area 2.8642183413894E+15
Volume 6.340039737884E+22
Height 38339503.624203