646987138 (number)

646987138 is an even 9-digits composite number following 646987137 and preceding 646987139. In scientific notation, it is written as 6.46987138 × 10^8. The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors. There are 276174000 positive integers (up to 646987138) that are relatively prime to 646987138.

Interesting facts

Basic properties

Name

Name six hundred forty-six million nine hundred eighty-seven thousand one hundred thirty-eight

Notation

Scientific notation 6.46987138 × 10^8
Engineering notation 6.46987138 × 10^6

Prime Factorization of 646987138

Prime Factorization 2 × 7 × 251 × 184117

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 646987138
Product of the distinct prime numbers

The prime factorization of 646987138 is 2 × 7 × 251 × 184117. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 646987138)

Multiplication

n×y
n×2 1293974276
n×3 1940961414
n×4 2587948552
n×5 3234935690

Division

n÷y
n÷2 323493569
n÷3 215662379.33333
n÷3 161746784.5
n÷5 129397427.6

Exponentiation

ny
n2 418592356737431044
n3 2.7082387087423E+26
n4 1.75219561119E+35
n5 1.1336480237E+44

Nth Root

y√n
2√n 25435.941853999
3√n 864.89864294027
4√n 159.48649426832
5√n 57.833453849219

Divisors of 646987138

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 -646987137
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 646987138 can be divided by 16 positive divisors. The sum of these divisors (counting 646987138) is 1, the average is 0.0625.

Base conversion 646987138

Base System Value
2 Binary 100110100100000011110110000010
3 Ternary 1200002102100111121
4 Quaternary 212210003312002
5 Quinary 2311112042023
6 Senary 144111102454
8 Octal 4644036602
10 Decimal 646987138
12 Duodecimal 160811a2a
16 Hexadecimal 26903d82
20 Vigesimal a23d7gi
36 Base36 ap76gy

Cryptographic Hash Functions

md5 34ff26ce3577a5bd4b1d067835050a6c
sha1 2e573ad33109817e783a210e7d296d596889e5fd
sha256 a923adec6fcf3d5e8c8924604cb11a079fbcd5d9080068fdf21daf3b96fc4db2
sha512 5143d7681fb069a67b4028e6518715a3c7b8bf0ca050231e1d5367ab2e6b6ce401067acc879e6398369a5ee3d0a322338644c4f3e1bd27736308aa27b8beeb60
ripemd-160 5ee24192799d1d6280cc02ac0d675b146e5a3719

646987138 as geometric shapes

Circle

Radius = n
Diameter 1293974276
Circumference 4065140079.4158
Area 1.3150466727752E+18

Sphere

Radius = n
Volume 1.1344243775403E+27
Surface area 5.2601866911006E+18
Circumference 4065140079.4158

Square

Length = n
Perimeter 2587948552
Area 418592356737431044
Diagonal 914977985.24055

Cube

Length = n
Surface area 2511554140424586264
Volume 2.7082387087423E+26
Space diagonal 1120614594.8596

Equilateral Triangle

Length = n
Perimeter 1940961414
Area 1.8125580738231E+17
Altitude 560307297.42979

Triangular Pyramid

Length = n
Surface area 1.8125580738231E+17
Volume 3.1916899267059E+25
Height 304992661.74685