398994989 (number)

398994989 is an odd 9-digits composite number following 398994988 and preceding 398994990. In scientific notation, it is written as 3.98994989 × 10^8. The sum of its digits is 68. It has a total of 2 prime factors and 4 positive divisors. There are 396905820 positive integers (up to 398994989) that are relatively prime to 398994989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.98994989 × 10^8
Engineering notation 3.98994989 × 10^6

Prime Factorization of 398994989

Prime Factorization 191 × 2088979

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 398994989
Product of the distinct prime numbers

The prime factorization of 398994989 is 191 × 2088979. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 3, 78, 49, 228, 927, 239, 7821, 859, 76212, 468931, 744144, 4326369, 1474803, 35296874, 76364125, 886068652, 701016576, 6291280880, 6118572057

Basic calculations (n = 398994989)

Multiplication

n×y
n×2 797989978
n×3 1196984967
n×4 1595979956
n×5 1994974945

Division

n÷y
n÷2 199497494.5
n÷3 132998329.66667
n÷3 99748747.25
n÷5 79798997.8

Exponentiation

ny
n2 159197001247110121
n3 6.3518805761424E+25
n4 2.5343685206072E+34
n5 1.0112003400016E+43

Nth Root

y√n
2√n 19974.858923156
3√n 736.18870016354
4√n 141.33244115615
5√n 52.504132625491

Divisors of 398994989

1, 191, 2088979, 398994989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -398994988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 398994989 can be divided by 4 positive divisors. The sum of these divisors (counting 398994989) is 1, the average is 0.25.

Base conversion 398994989

Base System Value
2 Binary 10111110010000010111000101101
3 Ternary 1000210210001020012
4 Quaternary 113302002320231
5 Quinary 1304120314424
6 Senary 103331503005
8 Octal 2762027055
10 Decimal 398994989
12 Duodecimal b1757a65
16 Hexadecimal 17c82e2d
20 Vigesimal 64de799
36 Base36 6ljui5

Cryptographic Hash Functions

md5 0a18cb46776e04b09f78bae5b52dc3c9
sha1 370f24c191c059e3d055519476edb2014e2266e2
sha256 42c903cd1d21dc696e8a09108633dc7a2acdf3da0890411a44dd184cd76fcee1
sha512 a66237aca35e90e197e83a52513c07de3c76ef34b6edc7699fdf5a110b9fc3c0225015fb1a13f1764bf803d3ed7cc19b792721477ca11c69ef7009699c39a9e9
ripemd-160 aff1966bf3cd83de9c5b7baaad3a21aff9ffbf44

398994989 as geometric shapes

Circle

Radius = n
Diameter 797989978
Circumference 2506959452.5231
Area 5.0013212959145E+17

Sphere

Radius = n
Volume 2.6606695139318E+26
Surface area 2.0005285183658E+18
Circumference 2506959452.5231

Square

Length = n
Perimeter 1595979956
Area 159197001247110121
Diagonal 564264124.7627

Cube

Length = n
Surface area 955182007482660726
Volume 6.3518805761424E+25
Space diagonal 691079592.91339

Equilateral Triangle

Length = n
Perimeter 1196984967
Area 6.893432364315E+16
Altitude 345539796.45669

Triangular Pyramid

Length = n
Surface area 6.893432364315E+16
Volume 7.4857630477956E+24
Height 188088041.58757