816996987 (number)

816996987 is an odd 9-digits composite number following 816996986 and preceding 816996988. In scientific notation, it is written as 8.16996987 × 10^8. The sum of its digits is 63. It has a total of 4 prime factors and 12 positive divisors. There are 544476240 positive integers (up to 816996987) that are relatively prime to 816996987.

Interesting facts

Basic properties

Name

Name eight hundred sixteen million nine hundred ninety-six thousand nine hundred eighty-seven

Notation

Scientific notation 8.16996987 × 10^8
Engineering notation 8.16996987 × 10^6

Prime Factorization of 816996987

Prime Factorization 3 × 3 × 3221 × 28183

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 272332329
Product of the distinct prime numbers

The prime factorization of 816996987 is 3 × 3 × 3221 × 28183. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 816996987)

Multiplication

n×y
n×2 1633993974
n×3 2450990961
n×4 3267987948
n×5 4084984935

Division

n÷y
n÷2 408498493.5
n÷3 272332329
n÷3 204249246.75
n÷5 163399397.4

Exponentiation

ny
n2 667484076767078169
n3 5.4533247958918E+26
n4 4.455349927376E+35
n5 3.6400074666968E+44

Nth Root

y√n
2√n 28583.159150101
3√n 934.84616684276
4√n 169.06554690445
5√n 60.596018705438

Divisors of 816996987

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 -816996986
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 816996987 can be divided by 12 positive divisors. The sum of these divisors (counting 816996987) is 1, the average is 0.083333333333333.

Base conversion 816996987

Base System Value
2 Binary 110000101100100110001001111011
3 Ternary 2002221022202011200
4 Quaternary 300230212021323
5 Quinary 3133122400422
6 Senary 213023025243
8 Octal 6054461173
10 Decimal 816996987
12 Duodecimal 1a973b223
16 Hexadecimal 30b2627b
20 Vigesimal cf64c97
36 Base36 dif2wr

Cryptographic Hash Functions

md5 6b1b1cb5bb447c2eed6af8a8e9b9029d
sha1 944266cddb6c4126990893da1e6d741faa21c34d
sha256 557c0f3b945a30825f1ac6f24e3cf47c4780bc9ebb2ac74d7f4d24adb952dfb3
sha512 e3f1310077b00bcd618604498d16488ad9263d14c0457872022ecb257e34fd5a387fa01b4ad49ae40557ce2e411fe63b41a121a26366a53b6b20615d088a45b6
ripemd-160 ac0d6c1fdceaeb7b4993d51e8536bb923da67cc7

816996987 as geometric shapes

Circle

Radius = n
Diameter 1633993974
Circumference 5133343464.7284
Area 2.0969630719596E+18

Sphere

Radius = n
Volume 2.284283348855E+27
Surface area 8.3878522878385E+18
Circumference 5133343464.7284

Square

Length = n
Perimeter 3267987948
Area 667484076767078169
Diagonal 1155408219.4334

Cube

Length = n
Surface area 4004904460602469014
Volume 5.4533247958918E+26
Space diagonal 1415080291.1147

Equilateral Triangle

Length = n
Perimeter 2450990961
Area 2.8902908355095E+17
Altitude 707540145.55734

Triangular Pyramid

Length = n
Surface area 2.8902908355095E+17
Volume 6.4268049053131E+25
Height 385136073.14445