21056988 (number)

21056988 is an even 8-digits composite number following 21056987 and preceding 21056989. In scientific notation, it is written as 2.1056988 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 7018992 positive integers (up to 21056988) that are relatively prime to 21056988.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-six thousand nine hundred eighty-eight

Notation

Scientific notation 2.1056988 × 10^7
Engineering notation 2.1056988 × 10^6

Prime Factorization of 21056988

Prime Factorization 2 × 2 × 3 × 1754749

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10528494
Product of the distinct prime numbers

The prime factorization of 21056988 is 2 × 2 × 3 × 1754749. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 48, 67, 326, 360, 5327, 1283, 65805, 23505, 390158, 343925, 8743151, 788271, 2962778, 8354380, 892187646, 798233417, 3779139019, 2006203736

Basic calculations (n = 21056988)

Multiplication

n×y
n×2 42113976
n×3 63170964
n×4 84227952
n×5 105284940

Division

n÷y
n÷2 10528494
n÷3 7018996
n÷3 5264247
n÷5 4211397.6

Exponentiation

ny
n2 443396743632144
n3 9.3365999099011E+21
n4 1.9660067226359E+29
n5 4.1398179966463E+36

Nth Root

y√n
2√n 4588.7893828329
3√n 276.14175662737
4√n 67.740603649753
5√n 29.152731311062

Divisors of 21056988

1, 2, 3, 4, 6, 12, 1754749, 3509498, 5264247, 7018996, 10528494, 21056988

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 -21056987
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 21056988 can be divided by 12 positive divisors. The sum of these divisors (counting 21056988) is 1, the average is 0.083333333333333.

Base conversion 21056988

Base System Value
2 Binary 1010000010100110111011100
3 Ternary 1110121210202110
4 Quaternary 1100110313130
5 Quinary 20342310423
6 Senary 2031154020
8 Octal 120246734
10 Decimal 21056988
12 Duodecimal 7075910
16 Hexadecimal 1414ddc
20 Vigesimal 6bc298
36 Base36 cjboc

Cryptographic Hash Functions

md5 e91a78aabf1e7bb6d67e53e213f46eee
sha1 2ed09a4cb65dca25f92b195644a06d11a92af3ed
sha256 ef016f5088e1e2855ba98766327772bd4a02178bd57666588cf6b32b7e2c6676
sha512 f69173ab17dcfd688806ae4c4e442b5db6139ddf7d8856d209ecd3fd568e25d87a3f78a79af7e3d80317f085f0a4ac3de2bc379d06eb819ba2755c04c3c4a314
ripemd-160 99e86933b08aa9c80f1902b3acf917991a6fd0ee

21056988 as geometric shapes

Circle

Radius = n
Diameter 42113976
Circumference 132304957.61506
Area 1.3929719524204E+15

Sphere

Radius = n
Volume 3.9109058248603E+22
Surface area 5.5718878096815E+15
Circumference 132304957.61506

Square

Length = n
Perimeter 84227952
Area 443396743632144
Diagonal 29779078.012328

Cube

Length = n
Surface area 2660380461792864
Volume 9.3365999099011E+21
Space diagonal 36471773.070368

Equilateral Triangle

Length = n
Perimeter 63170964
Area 1.9199642197037E+14
Altitude 18235886.535184

Triangular Pyramid

Length = n
Surface area 1.9199642197037E+14
Volume 1.1003288515861E+21
Height 9926359.3374425