20987448 (number)

20987448 is an even 8-digits composite number following 20987447 and preceding 20987449. In scientific notation, it is written as 2.0987448 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 16 positive divisors. There are 6995808 positive integers (up to 20987448) that are relatively prime to 20987448.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-seven thousand four hundred forty-eight

Notation

Scientific notation 2.0987448 × 10^7
Engineering notation 2.0987448 × 10^6

Prime Factorization of 20987448

Prime Factorization 2 × 2 × 2 × 3 × 874477

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5246862
Product of the distinct prime numbers

The prime factorization of 20987448 is 2 × 2 × 2 × 3 × 874477. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 8, 93, 37, 113, 675, 2167, 1073, 34710, 54643, 636247, 999996, 4244833, 4722157, 40073519, 55869431, 104748522, 695296955, 3804292684, 4595321032

Basic calculations (n = 20987448)

Multiplication

n×y
n×2 41974896
n×3 62962344
n×4 83949792
n×5 104937240

Division

n÷y
n÷2 10493724
n÷3 6995816
n÷3 5246862
n÷5 4197489.6

Exponentiation

ny
n2 440472973552704
n3 9.2444036278428E+21
n4 1.9401644043036E+29
n5 4.0719099546773E+36

Nth Root

y√n
2√n 4581.2059547678
3√n 275.83743840292
4√n 67.684606483068
5√n 29.133450640292

Divisors of 20987448

1, 2, 3, 4, 6, 8, 12, 24, 874477, 1748954, 2623431, 3497908, 5246862, 6995816, 10493724, 20987448

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20987447
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20987448 can be divided by 16 positive divisors. The sum of these divisors (counting 20987448) is 1, the average is 0.0625.

Base conversion 20987448

Base System Value
2 Binary 1010000000011111000111000
3 Ternary 1110111021100220
4 Quaternary 1100003320320
5 Quinary 20333044243
6 Senary 2025500040
8 Octal 120037070
10 Decimal 20987448
12 Duodecimal 7041620
16 Hexadecimal 1403e38
20 Vigesimal 6b38c8
36 Base36 chu0o

Cryptographic Hash Functions

md5 86e3b1aa89776e06c6e6ba08a34b1a7a
sha1 c78eb7df02e6f643be7b4a0b7d3d13e712b87ed8
sha256 932051d978b6840d016316347e9c637e5524f63d10aa5bae8f4e184a462a1905
sha512 c37a7d1cefaac99d78cabc39a433c8d8069216295a3f3693c81575136d4dbb2760ade18afb98e4c32673be36bcd5f86ca58436c7a037fea7126173df1139ba51
ripemd-160 1e5f76b53f4e2898662b4222cb1db881e399f2ed

20987448 as geometric shapes

Circle

Radius = n
Diameter 41974896
Circumference 131868024.9088
Area 1.383786657818E+15

Sphere

Radius = n
Volume 3.8722867365399E+22
Surface area 5.5351466312721E+15
Circumference 131868024.9088

Square

Length = n
Perimeter 83949792
Area 440472973552704
Diagonal 29680733.6012

Cube

Length = n
Surface area 2642837841316224
Volume 9.2444036278428E+21
Space diagonal 36351326.25721

Equilateral Triangle

Length = n
Perimeter 62962344
Area 1.9073039238856E+14
Altitude 18175663.128605

Triangular Pyramid

Length = n
Surface area 1.9073039238856E+14
Volume 1.0894634155455E+21
Height 9893577.8670667