18949920 (number)

18949920 is an even 8-digits composite number following 18949919 and preceding 18949921. In scientific notation, it is written as 1.8949920 × 10^7. The sum of its digits is 42. It has a total of 9 prime factors and 96 positive divisors. There are 4423680 positive integers (up to 18949920) that are relatively prime to 18949920.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8949920 × 10^7
Engineering notation 1.8949920 × 10^6

Prime Factorization of 18949920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 55 × 3 × 37 × 97

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 1184370
Product of the distinct prime numbers

The prime factorization of 18949920 is 2 × 2 × 2 × 2 × 2 × 55 × 3 × 37 × 97. Since it has a total of 9 prime factors.

Most popular turbo-numbers

10, 4, 64, 41, 446, 661, 7539, 3532, 52589, 85016, 78096, 279825, 7643158, 4087493, 30822967, 40982008, 684149442, 128810711, 9235350737, 4191345980

Basic calculations (n = 18949920)

Multiplication

n×y
n×2 37899840
n×3 56849760
n×4 75799680
n×5 94749600

Division

n÷y
n÷2 9474960
n÷3 6316640
n÷3 4737480
n÷5 3789984

Exponentiation

ny
n2 359099468006400
n3 6.8049061907638E+21
n4 1.2895242792248E+29
n5 2.4436381929368E+36

Nth Root

y√n
2√n 4353.1505831983
3√n 266.60551375505
4√n 65.978409977798
5√n 28.544436645817

Divisors of 18949920

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 55, 74, 96, 97, 110, 111, 148, 165, 194, 220, 222, 291, 296, 330, 388, 440, 444, 582, 592, 660, 776, 880, 888, 1164, 1184, 1320, 1552, 1760, 1776, 2035, 2328, 2640, 3104, 3552, 3589, 4070, 4656, 5280, 5335, 6105, 7178, 8140, 9312, 10670, 10767, 12210, 14356, 16005, 16280, 21340, 21534, 24420, 28712, 32010, 32560, 42680, 43068, 48840, 57424, 64020, 65120, 85360, 86136, 97680, 114848, 128040, 170720, 172272, 195360, 197395, 256080, 344544, 394790, 512160, 592185, 789580, 1184370, 1579160, 2368740, 3158320, 4737480, 6316640, 9474960, 18949920

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18949919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18949920 can be divided by 96 positive divisors. The sum of these divisors (counting 18949920) is 1, the average is 0.010416666666667.

Base conversion 18949920

Base System Value
2 Binary 1001000010010011100100000
3 Ternary 1022122202101220
4 Quaternary 1020102130200
5 Quinary 14322344140
6 Senary 1514055040
8 Octal 110223440
10 Decimal 18949920
12 Duodecimal 641a480
16 Hexadecimal 1212720
20 Vigesimal 5i8eg0
36 Base36 ba5uo

Cryptographic Hash Functions

md5 9bd6859b375b5b7871413a7546221480
sha1 918736e1b9763819adb2d206727f7abcae75df0d
sha256 55c5328a1967f6dd42cb8020c210719a3e17bcda1cb4d38075eb8a87b8a6ea15
sha512 84fc68510c4fe2004af2e8e817b824469b97749bdf92cbfe8923c8481360317c7f3cb659f983bd94a2a4ee75792c0fe618356f1f25628340c47320e6b14b509a
ripemd-160 26f4b48857402d18e4038fc4abf79e22f1995014

18949920 as geometric shapes

Circle

Radius = n
Diameter 37899840
Circumference 119065858.91623
Area 1.1281442505969E+15

Sphere

Radius = n
Volume 2.8504324396362E+22
Surface area 4.5125770023876E+15
Circumference 119065858.91623

Square

Length = n
Perimeter 75799680
Area 359099468006400
Diagonal 26799233.869885

Cube

Length = n
Surface area 2154596808038400
Volume 6.8049061907638E+21
Space diagonal 32822224.239366

Equilateral Triangle

Length = n
Perimeter 56849760
Area 1.5549463088951E+14
Altitude 16411112.119683

Triangular Pyramid

Length = n
Surface area 1.5549463088951E+14
Volume 8.0196588547124E+20
Height 8933077.9566284