816389991 (number)

816389991 is an odd 9-digits composite number following 816389990 and preceding 816389992. In scientific notation, it is written as 8.16389991 × 10^8. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 470131200 positive integers (up to 816389991) that are relatively prime to 816389991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.16389991 × 10^8
Engineering notation 8.16389991 × 10^6

Prime Factorization of 816389991

Prime Factorization 9 × 29233 × 29 × 107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 816389991
Product of the distinct prime numbers

The prime factorization of 816389991 is 9 × 29233 × 29 × 107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 33, 87, 694, 674, 3046, 5275, 91559, 25261, 604970, 757369, 7237532, 2386319, 82934384, 37545772, 851008897, 442659999, 2243338007, 7482710007

Basic calculations (n = 816389991)

Multiplication

n×y
n×2 1632779982
n×3 2449169973
n×4 3265559964
n×5 4081949955

Division

n÷y
n÷2 408194995.5
n÷3 272129997
n÷3 204097497.75
n÷5 163277998.2

Exponentiation

ny
n2 666492617404980081
n3 5.4411790192482E+26
n4 4.4421240905534E+35
n5 3.6265056463078E+44

Nth Root

y√n
2√n 28572.539106632
3√n 934.61459174464
4√n 169.03413592121
5√n 60.587011945972

Divisors of 816389991

1, 9, 29, 107, 261, 963, 3103, 27927, 29233, 263097, 847757, 3127931, 7629813, 28151379, 90709999, 816389991

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 -816389990
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 816389991 can be divided by 16 positive divisors. The sum of these divisors (counting 816389991) is 1, the average is 0.0625.

Base conversion 816389991

Base System Value
2 Binary 110000101010010001111101100111
3 Ternary 2002220011220112100
4 Quaternary 300222101331213
5 Quinary 3132443434431
6 Senary 213002023143
8 Octal 6052217547
10 Decimal 816389991
12 Duodecimal 1a94a7ab3
16 Hexadecimal 30a91f67
20 Vigesimal cf28ejb
36 Base36 di22jr

Cryptographic Hash Functions

md5 527f9bf360026d29d9fbc99b4a49b0d9
sha1 be21e5fcc2b83317dbfd0b84ac02cc44412aa261
sha256 0082d4ca534ae981d9bf76beda4e6460f7c79898b1e61476d87bed20e6100df3
sha512 c565d82c244631bf281f874e3fa6bf13091a49dc8d6a965f53ea76b6177187d5d68e3be72b715f02a07247d1b4b2759f36558edc7d9f7718fa58a887584fe686
ripemd-160 4db5be4060e0ab2a0e88462af9e96f9b3bab1e69

816389991 as geometric shapes

Circle

Radius = n
Diameter 1632779982
Circumference 5129529596.3797
Area 2.0938483105113E+18

Sphere

Radius = n
Volume 2.2791957378316E+27
Surface area 8.3753932420453E+18
Circumference 5129529596.3797

Square

Length = n
Perimeter 3265559964
Area 666492617404980081
Diagonal 1154549797.4578

Cube

Length = n
Surface area 3998955704429880486
Volume 5.4411790192482E+26
Space diagonal 1414028943.2027

Equilateral Triangle

Length = n
Perimeter 2449169973
Area 2.8859976905375E+17
Altitude 707014471.60135

Triangular Pyramid

Length = n
Surface area 2.8859976905375E+17
Volume 6.4124909702673E+25
Height 384849932.48595