18893997 (number)

18893997 is an odd 8-digits composite number following 18893996 and preceding 18893998. In scientific notation, it is written as 1.8893997 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors. There are 12570048 positive integers (up to 18893997) that are relatively prime to 18893997.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8893997 × 10^7
Engineering notation 1.8893997 × 10^6

Prime Factorization of 18893997

Prime Factorization 3 × 3 × 557 × 3769

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6297999
Product of the distinct prime numbers

The prime factorization of 18893997 is 3 × 3 × 557 × 3769. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 40, 97, 925, 224, 6122, 8601, 5308, 25791, 912661, 551230, 1384701, 9413358, 34052954, 94828882, 711682824, 818537405, 3328218593, 6230735363

Basic calculations (n = 18893997)

Multiplication

n×y
n×2 37787994
n×3 56681991
n×4 75575988
n×5 94469985

Division

n÷y
n÷2 9446998.5
n÷3 6297999
n÷3 4723499.25
n÷5 3778799.4

Exponentiation

ny
n2 356983122636009
n3 6.7448380481354E+21
n4 1.2743694984696E+29
n5 2.4077933480975E+36

Nth Root

y√n
2√n 4346.7225584341
3√n 266.34299601413
4√n 65.929678889208
5√n 28.527569258562

Divisors of 18893997

1, 3, 9, 557, 1671, 3769, 5013, 11307, 33921, 2099333, 6297999, 18893997

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18893996
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18893997 can be divided by 12 positive divisors. The sum of these divisors (counting 18893997) is 1, the average is 0.083333333333333.

Base conversion 18893997

Base System Value
2 Binary 1001000000100110010101101
3 Ternary 1022112220200200
4 Quaternary 1020010302231
5 Quinary 14314101442
6 Senary 1512544113
8 Octal 110046255
10 Decimal 18893997
12 Duodecimal 63b2039
16 Hexadecimal 1204cad
20 Vigesimal 5i1ejh
36 Base36 b8yp9

Cryptographic Hash Functions

md5 68286060c6d1b9fd11239b830e8a492f
sha1 395ada4222b68da02f032b77b5004d65e816ffbf
sha256 fe02c11f551f26095784f3e1310073412411fcc1bb4386f803f7c70f128ab542
sha512 1ba10df12da896800a48957eea1def51de60b8df21a955e75f16f60cf369233d9fd3b1e7699d91f856a3acebb24420c18b7c29e0c7e908a63da2ed511de78009
ripemd-160 d948bb476bf74b9189d799a9d5d4ab451908e895

18893997 as geometric shapes

Circle

Radius = n
Diameter 37787994
Circumference 118714484.3443
Area 1.1214955555288E+15

Sphere

Radius = n
Volume 2.82527115489E+22
Surface area 4.4859822221153E+15
Circumference 118714484.3443

Square

Length = n
Perimeter 75575988
Area 356983122636009
Diagonal 26720146.804837

Cube

Length = n
Surface area 2141898735816054
Volume 6.7448380481354E+21
Space diagonal 32725362.762054

Equilateral Triangle

Length = n
Perimeter 56681991
Area 1.5457822646254E+14
Altitude 16362681.381027

Triangular Pyramid

Length = n
Surface area 1.5457822646254E+14
Volume 7.9488678697359E+20
Height 8906715.6016122