398688081 (number)

398688081 is an odd 9-digits composite number following 398688080 and preceding 398688082. In scientific notation, it is written as 3.98688081 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 241629120 positive integers (up to 398688081) that are relatively prime to 398688081.

Interesting facts

Basic properties

Name

Name three hundred ninety-eight million six hundred eighty-eight thousand eighty-one

Notation

Scientific notation 3.98688081 × 10^8
Engineering notation 3.98688081 × 10^6

Prime Factorization of 398688081

Prime Factorization 3 × 11 × 12081457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 398688081
Product of the distinct prime numbers

The prime factorization of 398688081 is 3 × 11 × 12081457. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 398688081)

Multiplication

n×y
n×2 797376162
n×3 1196064243
n×4 1594752324
n×5 1993440405

Division

n÷y
n÷2 199344040.5
n÷3 132896027
n÷3 99672020.25
n÷5 79737616.2

Exponentiation

ny
n2 158952185931462561
n3 6.337234197977E+25
n4 2.526579741239E+34
n5 1.0073172285281E+43

Nth Root

y√n
2√n 19967.175088129
3√n 735.99989231351
4√n 141.3052549912
5√n 52.496052875608

Divisors of 398688081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -398688080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 398688081 can be divided by 8 positive divisors. The sum of these divisors (counting 398688081) is 1, the average is 0.125.

Base conversion 398688081

Base System Value
2 Binary 10111110000110111111101010001
3 Ternary 1000210012110020020
4 Quaternary 113300313331101
5 Quinary 1304031004311
6 Senary 103321134053
8 Octal 2760677521
10 Decimal 398688081
12 Duodecimal b162a329
16 Hexadecimal 17c37f51
20 Vigesimal 64bg041
36 Base36 6ld9ox

Cryptographic Hash Functions

md5 e77f5614224e49bcc0b29831e0329469
sha1 cf78faca6d99f499eb50bea0d06f55ba96fa6bb9
sha256 c564a609dca76229fd72b6c3a59d5e374f9ea712e332b3f29b637c823bd3157e
sha512 1dcc78f16a581aafb98e5df39fdab802f00ea52cdc28f7fefd1694c17595d3878750b03038d58f6645aff3fad07105f08f357e201bde0d426abae50c620b5857
ripemd-160 19cfbbba768a854c0220f4193668a9880cc32041

398688081 as geometric shapes

Circle

Radius = n
Diameter 797376162
Circumference 2505031092.6868
Area 4.9936301959432E+17

Sphere

Radius = n
Volume 2.6545344533923E+26
Surface area 1.9974520783773E+18
Circumference 2505031092.6868

Square

Length = n
Perimeter 1594752324
Area 158952185931462561
Diagonal 563830091.3067

Cube

Length = n
Surface area 953713115588775366
Volume 6.337234197977E+25
Space diagonal 690548012.66414

Equilateral Triangle

Length = n
Perimeter 1196064243
Area 6.8828315501857E+16
Altitude 345274006.33207

Triangular Pyramid

Length = n
Surface area 6.8828315501857E+16
Volume 7.4685021255947E+24
Height 187943363.7689