18872738 (number)

18872738 is an even 8-digits composite number following 18872737 and preceding 18872739. In scientific notation, it is written as 1.8872738 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 32 positive divisors. There are 8398080 positive integers (up to 18872738) that are relatively prime to 18872738.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred seventy-two thousand seven hundred thirty-eight

Notation

Scientific notation 1.8872738 × 10^7
Engineering notation 1.8872738 × 10^6

Prime Factorization of 18872738

Prime Factorization 2 × 19 × 31 × 37 × 433

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18872738
Product of the distinct prime numbers

The prime factorization of 18872738 is 2 × 19 × 31 × 37 × 433. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 79, 28, 21, 607, 1057, 3647, 16550, 30679, 641818, 660101, 2766172, 911439, 21765292, 37622242, 803701524, 363619149, 3794151491, 8323212248

Basic calculations (n = 18872738)

Multiplication

n×y
n×2 37745476
n×3 56618214
n×4 75490952
n×5 94363690

Division

n÷y
n÷2 9436369
n÷3 6290912.6666667
n÷3 4718184.5
n÷5 3774547.6

Exponentiation

ny
n2 356180239616644
n3 6.7220963430621E+21
n4 1.2686436309337E+29
n5 2.394277886198E+36

Nth Root

y√n
2√n 4344.276464499
3√n 266.24306461396
4√n 65.911125498652
5√n 28.521146681788

Divisors of 18872738

1, 2, 19, 31, 37, 38, 62, 74, 433, 589, 703, 866, 1147, 1178, 1406, 2294, 8227, 13423, 16021, 16454, 21793, 26846, 32042, 43586, 255037, 304399, 496651, 510074, 608798, 993302, 9436369, 18872738

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18872737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18872738 can be divided by 32 positive divisors. The sum of these divisors (counting 18872738) is 1, the average is 0.03125.

Base conversion 18872738

Base System Value
2 Binary 1000111111111100110100010
3 Ternary 1022111211112022
4 Quaternary 1013333212202
5 Quinary 14312411423
6 Senary 1512301442
8 Octal 107774642
10 Decimal 18872738
12 Duodecimal 63a1882
16 Hexadecimal 11ff9a2
20 Vigesimal 5hj1gi
36 Base36 b8iaq

Cryptographic Hash Functions

md5 3103a76e26d56fd9008fc44f2b0c0d99
sha1 9f4083d31953084160713502b131614ee1039f27
sha256 69da2728305fb75dee2f9c458dfa9955ebff4d68baec9367719762a1cc33859f
sha512 f7b6fd25d4380f165cf14427295cc6f19bbc13214052b5d3155bb801d66e8c1d205ef51c0a4bd1e31f04fb2b48cc1404d16903d1c44c3d9ea080d4b0d463758d
ripemd-160 8fdfbaa2f0e47af6c8c8ce54d924b7f3fd18d7aa

18872738 as geometric shapes

Circle

Radius = n
Diameter 37745476
Circumference 118580910.10785
Area 1.1189732241335E+15

Sphere

Radius = n
Volume 2.8157451317449E+22
Surface area 4.475892896534E+15
Circumference 118580910.10785

Square

Length = n
Perimeter 75490952
Area 356180239616644
Diagonal 26690082.038714

Cube

Length = n
Surface area 2137081437699864
Volume 6.7220963430621E+21
Space diagonal 32688541.093936

Equilateral Triangle

Length = n
Perimeter 56618214
Area 1.5423056791702E+14
Altitude 16344270.546968

Triangular Pyramid

Length = n
Surface area 1.5423056791702E+14
Volume 7.9220665132809E+20
Height 8896694.0129047