18397968 (number)

18397968 is an even 8-digits composite number following 18397967 and preceding 18397969. In scientific notation, it is written as 1.8397968 × 10^7. The sum of its digits is 51. It has a total of 6 prime factors and 20 positive divisors. There are 6132640 positive integers (up to 18397968) that are relatively prime to 18397968.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-seven thousand nine hundred sixty-eight

Notation

Scientific notation 1.8397968 × 10^7
Engineering notation 1.8397968 × 10^6

Prime Factorization of 18397968

Prime Factorization 2 × 2 × 2 × 2 × 3 × 383291

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2299746
Product of the distinct prime numbers

The prime factorization of 18397968 is 2 × 2 × 2 × 2 × 3 × 383291. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 3, 74, 64, 989, 551, 1019, 9077, 28426, 25382, 504126, 783720, 8712701, 764931, 99277356, 81413420, 418845929, 585511153, 5295132592, 6498758955

Basic calculations (n = 18397968)

Multiplication

n×y
n×2 36795936
n×3 55193904
n×4 73591872
n×5 91989840

Division

n÷y
n÷2 9198984
n÷3 6132656
n÷3 4599492
n÷5 3679593.6

Exponentiation

ny
n2 338485226529024
n3 6.2274403661537E+21
n4 1.145722485784E+29
n5 2.1078965630335E+36

Nth Root

y√n
2√n 4289.2852551445
3√n 263.99150569547
4√n 65.492635121397
5√n 28.376182709916

Divisors of 18397968

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 383291, 766582, 1149873, 1533164, 2299746, 3066328, 4599492, 6132656, 9198984, 18397968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18397967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18397968 can be divided by 20 positive divisors. The sum of these divisors (counting 18397968) is 1, the average is 0.05.

Base conversion 18397968

Base System Value
2 Binary 1000110001011101100010000
3 Ternary 1021121201021020
4 Quaternary 1012023230100
5 Quinary 14202213333
6 Senary 1454155440
8 Octal 106135420
10 Decimal 18397968
12 Duodecimal 61b2b80
16 Hexadecimal 118bb10
20 Vigesimal 5ejei8
36 Base36 aybyo

Cryptographic Hash Functions

md5 8c1ec83d859a15c31401148648bfa07f
sha1 c8d72a9e01f846fd99e24924340f139b8056d00b
sha256 54076aef07bf1eb54bf74f6ca060af93aa4038f3b85725fccb0daf0cd802b4ad
sha512 5df15127bcc05c2ea04011a26d4357e884e4fe66679b0ae9e29883204bb3728139625223f835d5d2a801e431fb13c00fe3d98f41f0bf7f01bf0a8361e6f4da00
ripemd-160 ddf38c149a48984c83d9db0867a86e929017d6ce

18397968 as geometric shapes

Circle

Radius = n
Diameter 36795936
Circumference 115597842.21956
Area 1.0633827010123E+15

Sphere

Radius = n
Volume 2.6085441206636E+22
Surface area 4.253530804049E+15
Circumference 115597842.21956

Square

Length = n
Perimeter 73591872
Area 338485226529024
Diagonal 26018655.865706

Cube

Length = n
Surface area 2030911359174144
Volume 6.2274403661537E+21
Space diagonal 31866215.332026

Equilateral Triangle

Length = n
Perimeter 55193904
Area 1.4656840248993E+14
Altitude 15933107.666013

Triangular Pyramid

Length = n
Surface area 1.4656840248993E+14
Volume 7.3391088539036E+20
Height 8672885.2885687