399646987 (number)

399646987 is an odd 9-digits composite number following 399646986 and preceding 399646988. In scientific notation, it is written as 3.99646987 × 10^8. The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors. There are 396110176 positive integers (up to 399646987) that are relatively prime to 399646987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.99646987 × 10^8
Engineering notation 3.99646987 × 10^6

Prime Factorization of 399646987

Prime Factorization 113 × 3536699

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 399646987
Product of the distinct prime numbers

The prime factorization of 399646987 is 113 × 3536699. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 32, 95, 517, 214, 1997, 1435, 53331, 72741, 861541, 236379, 5967952, 1868390, 8530293, 95781195, 298923831, 291143880, 9477595251, 9782584080

Basic calculations (n = 399646987)

Multiplication

n×y
n×2 799293974
n×3 1198940961
n×4 1598587948
n×5 1998234935

Division

n÷y
n÷2 199823493.5
n÷3 133215662.33333
n÷3 99911746.75
n÷5 79929397.4

Exponentiation

ny
n2 159717714218178169
n3 6.3830703257822E+25
n4 2.550974823508E+34
n5 1.0194894021278E+43

Nth Root

y√n
2√n 19991.172726981
3√n 736.58948409804
4√n 141.39014366985
5√n 52.521280828612

Divisors of 399646987

1, 113, 3536699, 399646987

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 -399646986
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 399646987 can be divided by 4 positive divisors. The sum of these divisors (counting 399646987) is 1, the average is 0.25.

Base conversion 399646987

Base System Value
2 Binary 10111110100100010000100001011
3 Ternary 1000212000011121021
4 Quaternary 113310202010023
5 Quinary 1304302200422
6 Senary 103353453311
8 Octal 2764420413
10 Decimal 399646987
12 Duodecimal b1a11237
16 Hexadecimal 17d2210b
20 Vigesimal 64hfh97
36 Base36 6lxtl7

Cryptographic Hash Functions

md5 48ef38d352536c566a2ee9ae62683476
sha1 929cd40d119a8da8bd5ba61df5a9b43a49309ded
sha256 1152815dd2f8209fcc552c188e62db655745506892316f1e1415c8798297b3c5
sha512 6ebd054433cfbddc08e141706d98e8cdc49eec58db13e54822854e5754d7fc40769cca7def725a35fb6f3fb7c97aa407aeeea8122e624ba22619a3d7a496d027
ripemd-160 ac2f20367bebe9eea6197d66fd6a5d9c0927b877

399646987 as geometric shapes

Circle

Radius = n
Diameter 799293974
Circumference 2511056076.777
Area 5.0176799763598E+17

Sphere

Radius = n
Volume 2.6737342457099E+26
Surface area 2.0070719905439E+18
Circumference 2511056076.777

Square

Length = n
Perimeter 1598587948
Area 159717714218178169
Diagonal 565186189.17694

Cube

Length = n
Surface area 958306285309069014
Volume 6.3830703257822E+25
Space diagonal 692208886.57582

Equilateral Triangle

Length = n
Perimeter 1198940961
Area 6.9159798973663E+16
Altitude 346104443.28791

Triangular Pyramid

Length = n
Surface area 6.9159798973663E+16
Volume 7.522520520252E+24
Height 188395396.39231