396987661 (number)

396987661 is an odd 9-digits composite number following 396987660 and preceding 396987662. In scientific notation, it is written as 3.96987661 × 10^8. The sum of its digits is 55. It has a total of 3 prime factors and 6 positive divisors. There are 340275096 positive integers (up to 396987661) that are relatively prime to 396987661.

Interesting facts

Basic properties

Name

Name three hundred ninety-six million nine hundred eighty-seven thousand six hundred sixty-one

Notation

Scientific notation 3.96987661 × 10^8
Engineering notation 3.96987661 × 10^6

Prime Factorization of 396987661

Prime Factorization 7 × 7 × 8101789

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 56712523
Product of the distinct prime numbers

The prime factorization of 396987661 is 7 × 7 × 8101789. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 396987661)

Multiplication

n×y
n×2 793975322
n×3 1190962983
n×4 1587950644
n×5 1984938305

Division

n÷y
n÷2 198493830.5
n÷3 132329220.33333
n÷3 99246915.25
n÷5 79397532.2

Exponentiation

ny
n2 157599202986250921
n3 6.2564938968976E+25
n4 2.4837508781902E+34
n5 9.860184516394E+42

Nth Root

y√n
2√n 19924.549204436
3√n 734.95204524619
4√n 141.15434532609
5√n 52.451196748019

Divisors of 396987661

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -396987660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 396987661 can be divided by 6 positive divisors. The sum of these divisors (counting 396987661) is 1, the average is 0.16666666666667.

Base conversion 396987661

Base System Value
2 Binary 10111101010011000110100001101
3 Ternary 1000200000001200201
4 Quaternary 113222120310031
5 Quinary 1303112101121
6 Senary 103220453501
8 Octal 2752306415
10 Decimal 396987661
12 Duodecimal b0b4a291
16 Hexadecimal 17a98d0d
20 Vigesimal 6413931
36 Base36 6kctn1

Cryptographic Hash Functions

md5 3f90c999501708160bd89631a4160018
sha1 a3b19b332b9ff9b3eb5c07dd3d3624141225bd56
sha256 3598f258ce0b8c89e41deb749bc6a34044aeb59b9a237363cf6aa3e840a29461
sha512 dd6f391004ef093115468dcc84dca644b5d3922d9eb925d64a1bd414db2c34e554dfbbcd21e51a813954d8cac23ee00c60e101e8d8bfa2a4416a5714fa118a0a
ripemd-160 850e64c0d886b5b069085152941cd9872fe768b2

396987661 as geometric shapes

Circle

Radius = n
Diameter 793975322
Circumference 2494347038.7268
Area 4.9511249831321E+17

Sphere

Radius = n
Volume 2.620714035163E+26
Surface area 1.9804499932528E+18
Circumference 2494347038.7268

Square

Length = n
Perimeter 1587950644
Area 157599202986250921
Diagonal 561425334.28097

Cube

Length = n
Surface area 945595217917505526
Volume 6.2564938968976E+25
Space diagonal 687602798.82993

Equilateral Triangle

Length = n
Perimeter 1190962983
Area 6.8242456701137E+16
Altitude 343801399.41496

Triangular Pyramid

Length = n
Surface area 6.8242456701137E+16
Volume 7.3733487682476E+24
Height 187141778.09366