399646988 (number)

399646988 is an even 9-digits composite number following 399646987 and preceding 399646989. In scientific notation, it is written as 3.99646988 × 10^8. The sum of its digits is 62. It has a total of 6 prime factors and 48 positive divisors. There are 162860544 positive integers (up to 399646988) that are relatively prime to 399646988.

Interesting facts

Basic properties

Name

Name three hundred ninety-nine million six hundred forty-six thousand nine hundred eighty-eight

Notation

Scientific notation 3.99646988 × 10^8
Engineering notation 3.99646988 × 10^6

Prime Factorization of 399646988

Prime Factorization 2 × 2 × 19 × 13 × 989 × 409

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 199823494
Product of the distinct prime numbers

The prime factorization of 399646988 is 2 × 2 × 19 × 13 × 989 × 409. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 399646988)

Multiplication

n×y
n×2 799293976
n×3 1198940964
n×4 1598587952
n×5 1998234940

Division

n÷y
n÷2 199823494
n÷3 133215662.66667
n÷3 99911747
n÷5 79929397.6

Exponentiation

ny
n2 159717715017472144
n3 6.3830703736975E+25
n4 2.5509748490402E+34
n5 1.0194894148827E+43

Nth Root

y√n
2√n 19991.172751992
3√n 736.58948471241
4√n 141.3901437583
5√n 52.521280854896

Divisors of 399646988

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -399646987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 399646988 can be divided by 48 positive divisors. The sum of these divisors (counting 399646988) is 1, the average is 0.020833333333333.

Base conversion 399646988

Base System Value
2 Binary 10111110100100010000100001100
3 Ternary 1000212000011121022
4 Quaternary 113310202010030
5 Quinary 1304302200423
6 Senary 103353453312
8 Octal 2764420414
10 Decimal 399646988
12 Duodecimal b1a11238
16 Hexadecimal 17d2210c
20 Vigesimal 64hfh98
36 Base36 6lxtl8

Cryptographic Hash Functions

md5 c1b48ee35253413e1298a83612f12dd8
sha1 dc4d178a03d97f1830565906ac01727e934aa24d
sha256 d429aa1bca15f17f5e8589da641d99cbe01f8136832e22989fe4f55e6f1b99de
sha512 b4ba33b170da9f96ab29059082e9648da5eff568dfbb8784c43f7e318ae6f06f98a498a9b26c74a779ee55629902da263c3d4d3407a7c66e63362b7da744f622
ripemd-160 208d2cbc856055c6d78792b8f8a19790aa22c2c1

399646988 as geometric shapes

Circle

Radius = n
Diameter 799293976
Circumference 2511056083.0602
Area 5.0176800014704E+17

Sphere

Radius = n
Volume 2.6737342657806E+26
Surface area 2.0070720005882E+18
Circumference 2511056083.0602

Square

Length = n
Perimeter 1598587952
Area 159717715017472144
Diagonal 565186190.59116

Cube

Length = n
Surface area 958306290104832864
Volume 6.3830703736975E+25
Space diagonal 692208888.30787

Equilateral Triangle

Length = n
Perimeter 1198940964
Area 6.9159799319767E+16
Altitude 346104444.15393

Triangular Pyramid

Length = n
Surface area 6.9159799319767E+16
Volume 7.5225205767208E+24
Height 188395396.86372