816390988 (number)

816390988 is an even 9-digits composite number following 816390987 and preceding 816390989. In scientific notation, it is written as 8.16390988 × 10^8. The sum of its digits is 52. It has a total of 5 prime factors and 24 positive divisors. There are 345665424 positive integers (up to 816390988) that are relatively prime to 816390988.

Interesting facts

Basic properties

Name

Name eight hundred sixteen million three hundred ninety thousand nine hundred eighty-eight

Notation

Scientific notation 8.16390988 × 10^8
Engineering notation 8.16390988 × 10^6

Prime Factorization of 816390988

Prime Factorization 2 × 2 × 7 × 83 × 351287

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 408195494
Product of the distinct prime numbers

The prime factorization of 816390988 is 2 × 2 × 7 × 83 × 351287. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 7, 15, 61, 458, 264, 2856, 9442, 66348, 1067, 865596, 442690, 3940281, 6090595, 26719358, 38560300, 279293482, 120082758, 9089154380, 6738216477

Basic calculations (n = 816390988)

Multiplication

n×y
n×2 1632781976
n×3 2449172964
n×4 3265563952
n×5 4081954940

Division

n÷y
n÷2 408195494
n÷3 272130329.33333
n÷3 204097747
n÷5 163278197.6

Exponentiation

ny
n2 666494245287616144
n3 5.4411989540667E+26
n4 4.4421457900151E+35
n5 3.6265277903505E+44

Nth Root

y√n
2√n 28572.556553448
3√n 934.6149722043
4√n 169.03418752858
5√n 60.587026744101

Divisors of 816390988

1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 351287, 702574, 1405148, 2459009, 4918018, 9836036, 29156821, 58313642, 116627284, 204097747, 408195494, 816390988

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -816390987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 816390988 can be divided by 24 positive divisors. The sum of these divisors (counting 816390988) is 1, the average is 0.041666666666667.

Base conversion 816390988

Base System Value
2 Binary 110000101010010010001101001100
3 Ternary 2002220011221220021
4 Quaternary 300222102031030
5 Quinary 3132444002423
6 Senary 213002031524
8 Octal 6052221514
10 Decimal 816390988
12 Duodecimal 1a94a85a4
16 Hexadecimal 30a9234c
20 Vigesimal cf28h98
36 Base36 di23bg

Cryptographic Hash Functions

md5 f90dc6bdf32a8722ddc6d5248e9deb3a
sha1 97c7edef7978b78645223f0d7ebbad07f565e13d
sha256 24645594513c0cdb6be21055afdb92e37c16c554afb422471878ff8dc77974c0
sha512 46bdaa9fd79c87b74d6f4c23d778066e012a9847e079fc8d9ad3d3c568d2e09505231982aa87adca05271ed2c4ba00bc172e59b39c289bad45e1a6847fd2255d
ripemd-160 3a5734983f7cf17f5abc41bec6c70c88547145a9

816390988 as geometric shapes

Circle

Radius = n
Diameter 1632781976
Circumference 5129535860.7154
Area 2.0938534246554E+18

Sphere

Radius = n
Volume 2.2792040881089E+27
Surface area 8.3754136986218E+18
Circumference 5129535860.7154

Square

Length = n
Perimeter 3265563952
Area 666494245287616144
Diagonal 1154551207.4288

Cube

Length = n
Surface area 3998965471725696864
Volume 5.4411989540667E+26
Space diagonal 1414030670.0574

Equilateral Triangle

Length = n
Perimeter 2449172964
Area 2.8860047394761E+17
Altitude 707015335.02868

Triangular Pyramid

Length = n
Surface area 2.8860047394761E+17
Volume 6.4125144636762E+25
Height 384850402.47626