816781640 (number)

816781640 is an even 9-digits composite number following 816781639 and preceding 816781641. In scientific notation, it is written as 8.16781640 × 10^8. The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors. There are 326712640 positive integers (up to 816781640) that are relatively prime to 816781640.

Interesting facts

Basic properties

Name

Name eight hundred sixteen million seven hundred eighty-one thousand six hundred forty

Notation

Scientific notation 8.16781640 × 10^8
Engineering notation 8.16781640 × 10^6

Prime Factorization of 816781640

Prime Factorization 2 × 2 × 2 × 5 × 20419541

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 204195410
Product of the distinct prime numbers

The prime factorization of 816781640 is 2 × 2 × 2 × 5 × 20419541. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 10, 49, 11, 826, 217, 5751, 4773, 63831, 66110, 546917, 321844, 1463175, 2647034, 65014845, 3427756, 208190903, 455584862, 8160256387, 3450303694

Basic calculations (n = 816781640)

Multiplication

n×y
n×2 1633563280
n×3 2450344920
n×4 3267126560
n×5 4083908200

Division

n÷y
n÷2 408390820
n÷3 272260546.66667
n÷3 204195410
n÷5 163356328

Exponentiation

ny
n2 667132247441089600
n3 5.4490137116182E+26
n4 4.450654355758E+35
n5 3.6352127637692E+44

Nth Root

y√n
2√n 28579.391875965
3√n 934.76402292171
4√n 169.05440507708
5√n 60.592823945338

Divisors of 816781640

1, 2, 4, 5, 8, 10, 20, 40, 20419541, 40839082, 81678164, 102097705, 163356328, 204195410, 408390820, 816781640

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -816781639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 816781640 can be divided by 16 positive divisors. The sum of these divisors (counting 816781640) is 1, the average is 0.0625.

Base conversion 816781640

Base System Value
2 Binary 110000101011110001100101001000
3 Ternary 2002220220210202212
4 Quaternary 300223301211020
5 Quinary 3133044003030
6 Senary 213014244252
8 Octal 6053614510
10 Decimal 816781640
12 Duodecimal 1a9656688
16 Hexadecimal 30af1948
20 Vigesimal cf4he20
36 Base36 diagqw

Cryptographic Hash Functions

md5 0853b8fd5a1f0a2cb4b36f4e80f9a969
sha1 bf8cfcd6ee2dd5730950e8fa8f9daffe56ecb2ec
sha256 2bc158e00f10a927d7d755e2c53f0ebf804093e01d9a39a544720e078332ca60
sha512 45a8589e97a49b72c82bbad4c4cc4d014644cf3dd8b2a812ea18f472877f79175386d485a86217157e04e99d1ac39c2811ea2fdfb6cd0fd5a5073c0cf84a3ca4
ripemd-160 964d45870d2d084373db83627c0c499073bb6fae

816781640 as geometric shapes

Circle

Radius = n
Diameter 1633563280
Circumference 5131990399.622
Area 2.0958577675338E+18

Sphere

Radius = n
Volume 2.2824775260973E+27
Surface area 8.3834310701351E+18
Circumference 5131990399.622

Square

Length = n
Perimeter 3267126560
Area 667132247441089600
Diagonal 1155103672.7853

Cube

Length = n
Surface area 4002793484646537600
Volume 5.4490137116182E+26
Space diagonal 1414707299.1694

Equilateral Triangle

Length = n
Perimeter 2450344920
Area 2.8887673698389E+17
Altitude 707353649.58472

Triangular Pyramid

Length = n
Surface area 2.8887673698389E+17
Volume 6.4217242437728E+25
Height 385034557.59511