18969968 (number)

18969968 is an even 8-digits composite number following 18969967 and preceding 18969969. In scientific notation, it is written as 1.8969968 × 10^7. The sum of its digits is 56. It has a total of 5 prime factors and 10 positive divisors. There are 9484976 positive integers (up to 18969968) that are relatively prime to 18969968.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred sixty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 1.8969968 × 10^7
Engineering notation 1.8969968 × 10^6

Prime Factorization of 18969968

Prime Factorization 2 × 2 × 2 × 2 × 1185623

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2371246
Product of the distinct prime numbers

The prime factorization of 18969968 is 2 × 2 × 2 × 2 × 1185623. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 8, 2, 56, 532, 653, 9118, 4824, 97100, 7591, 313670, 650797, 1664668, 9987731, 70191, 9803271, 972348902, 821157815, 9509881583, 759074322

Basic calculations (n = 18969968)

Multiplication

n×y
n×2 37939936
n×3 56909904
n×4 75879872
n×5 94849840

Division

n÷y
n÷2 9484984
n÷3 6323322.6666667
n÷3 4742492
n÷5 3793993.6

Exponentiation

ny
n2 359859685921024
n3 6.8265267264119E+21
n4 1.2949899355118E+29
n5 2.4565917636981E+36

Nth Root

y√n
2√n 4355.4526745219
3√n 266.69949873532
4√n 65.995853464607
5√n 28.550473788473

Divisors of 18969968

1, 2, 4, 8, 16, 1185623, 2371246, 4742492, 9484984, 18969968

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18969967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18969968 can be divided by 10 positive divisors. The sum of these divisors (counting 18969968) is 1, the average is 0.1.

Base conversion 18969968

Base System Value
2 Binary 1001000010111010101110000
3 Ternary 1022200202220102
4 Quaternary 1020113111300
5 Quinary 14324014333
6 Senary 1514331532
8 Octal 110272560
10 Decimal 18969968
12 Duodecimal 6429ba8
16 Hexadecimal 1217570
20 Vigesimal 5ib4i8
36 Base36 balbk

Cryptographic Hash Functions

md5 3995adc8754e6e60b8bd73cde3629c0a
sha1 6dc67d480527db526e5042a48c6f639e67e392db
sha256 76c9cdb709297e75090dbed10d7d2044cc7cebe91e0b0b8f68046e88be31c288
sha512 2915bf6980c440618b790435f132ba8f2fe9cf426cae92b6402c91b368f626409657f786052bbf82b56dfd5a8508df6495dee460576926401a59af11302f985c
ripemd-160 78f1133567eb1285a095de4d0e68d982bed8b4fe

18969968 as geometric shapes

Circle

Radius = n
Diameter 37939936
Circumference 119191824.21527
Area 1.1305325456126E+15

Sphere

Radius = n
Volume 2.8594888284307E+22
Surface area 4.5221301824505E+15
Circumference 119191824.21527

Square

Length = n
Perimeter 75879872
Area 359859685921024
Diagonal 26827586.023384

Cube

Length = n
Surface area 2159158115526144
Volume 6.8265267264119E+21
Space diagonal 32856948.393956

Equilateral Triangle

Length = n
Perimeter 56909904
Area 1.5582381490275E+14
Altitude 16428474.196978

Triangular Pyramid

Length = n
Surface area 1.5582381490275E+14
Volume 8.0451389003284E+20
Height 8942528.6744612