18849940 (number)

18849940 is an even 8-digits composite number following 18849939 and preceding 18849941. In scientific notation, it is written as 1.8849940 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 7096320 positive integers (up to 18849940) that are relatively prime to 18849940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8849940 × 10^7
Engineering notation 1.8849940 × 10^6

Prime Factorization of 18849940

Prime Factorization 2 × 2 × 17 × 5 × 55441

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9424970
Product of the distinct prime numbers

The prime factorization of 18849940 is 2 × 2 × 17 × 5 × 55441. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 10, 7, 66, 697, 760, 2299, 7445, 22021, 68794, 664708, 847130, 8657970, 4787719, 28670624, 10743586, 274282204, 830515386, 3799047285, 9147821980

Basic calculations (n = 18849940)

Multiplication

n×y
n×2 37699880
n×3 56549820
n×4 75399760
n×5 94249700

Division

n÷y
n÷2 9424970
n÷3 6283313.3333333
n÷3 4712485
n÷5 3769988

Exponentiation

ny
n2 355320238003600
n3 6.6977651671536E+21
n4 1.2625247153493E+29
n5 2.3798515132852E+36

Nth Root

y√n
2√n 4341.6517594114
3√n 266.13581546777
4√n 65.891211549124
5√n 28.514252721674

Divisors of 18849940

1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55441, 110882, 221764, 277205, 554410, 942497, 1108820, 1884994, 3769988, 4712485, 9424970, 18849940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18849939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18849940 can be divided by 24 positive divisors. The sum of these divisors (counting 18849940) is 1, the average is 0.041666666666667.

Base conversion 18849940

Base System Value
2 Binary 1000111111010000010010100
3 Ternary 1022110200020221
4 Quaternary 1013322002110
5 Quinary 14311144230
6 Senary 1512004124
8 Octal 107720224
10 Decimal 18849940
12 Duodecimal 6390644
16 Hexadecimal 11fa094
20 Vigesimal 5hg4h0
36 Base36 b80pg

Cryptographic Hash Functions

md5 588631e9bff5cdd2529e82351b6d0935
sha1 2a958d038d0e7bb42b1bcd781c538669f388ee9b
sha256 03c5d68ac0f740001ac0d97dc1db9a89df2523c09ac40729ccf8f5ae5cd04c00
sha512 9d0b39e7c20eef7bda06ecd0fc28dd71436a976775f76710b002781ddcf9811b8f736ead3dd64bf2fe2aa44f4c8449c8b2c5a62398230a02840f628c6b6127a3
ripemd-160 062dbc6dfd405c70b2816d6093f39bec9cde7f99

18849940 as geometric shapes

Circle

Radius = n
Diameter 37699880
Circumference 118437666.04922
Area 1.1162714493839E+15

Sphere

Radius = n
Volume 2.8055533126132E+22
Surface area 4.4650857975355E+15
Circumference 118437666.04922

Square

Length = n
Perimeter 75399760
Area 355320238003600
Diagonal 26657840.797919

Cube

Length = n
Surface area 2131921428021600
Volume 6.6977651671536E+21
Space diagonal 32649053.799625

Equilateral Triangle

Length = n
Perimeter 56549820
Area 1.5385817629493E+14
Altitude 16324526.899812

Triangular Pyramid

Length = n
Surface area 1.5385817629493E+14
Volume 7.8933919474822E+20
Height 8885946.9326397