21031738 (number)

21031738 is an even 8-digits composite number following 21031737 and preceding 21031739. In scientific notation, it is written as 2.1031738 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors. There are 8201088 positive integers (up to 21031738) that are relatively prime to 21031738.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand seven hundred thirty-eight

Notation

Scientific notation 2.1031738 × 10^7
Engineering notation 2.1031738 × 10^6

Prime Factorization of 21031738

Prime Factorization 2 × 7 × 73 × 13 × 1583

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21031738
Product of the distinct prime numbers

The prime factorization of 21031738 is 2 × 7 × 73 × 13 × 1583. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 9, 29, 33, 480, 25, 9763, 252, 46089, 80502, 481921, 864198, 1255770, 4286226, 33498961, 73899899, 933265033, 698611529, 7456857624, 2891501900

Basic calculations (n = 21031738)

Multiplication

n×y
n×2 42063476
n×3 63095214
n×4 84126952
n×5 105158690

Division

n÷y
n÷2 10515869
n÷3 7010579.3333333
n÷3 5257934.5
n÷5 4206347.6

Exponentiation

ny
n2 442334003300644
n3 9.3030528659103E+21
n4 1.9565937047597E+29
n5 4.1150566170956E+36

Nth Root

y√n
2√n 4586.0372872448
3√n 276.0313361466
4√n 67.720287117265
5√n 29.145736390479

Divisors of 21031738

1, 2, 7, 13, 14, 26, 73, 91, 146, 182, 511, 949, 1022, 1583, 1898, 3166, 6643, 11081, 13286, 20579, 22162, 41158, 115559, 144053, 231118, 288106, 808913, 1502267, 1617826, 3004534, 10515869, 21031738

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 -21031737
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 21031738 can be divided by 32 positive divisors. The sum of these divisors (counting 21031738) is 1, the average is 0.03125.

Base conversion 21031738

Base System Value
2 Binary 1010000001110101100111010
3 Ternary 1110120112010021
4 Quaternary 1100032230322
5 Quinary 20341003423
6 Senary 2030441054
8 Octal 120165472
10 Decimal 21031738
12 Duodecimal 706318a
16 Hexadecimal 140eb3a
20 Vigesimal 6b8j6i
36 Base36 cis6y

Cryptographic Hash Functions

md5 c2af387effc80930a23a343489abcd29
sha1 dd0b868ca0fc8c1888947dff5108a443ef779a10
sha256 22e1bc944fcbbb83a599ce1a0e1bfcf331e88b10b152511790dd5196053139cb
sha512 ca4edfc58e001694f69b480d85833f022ddf461bd3dbaac5c8d259762cb392c3a0625c9bc877b1f84f6d7b22c18ceb742dac13a35240aca1e93ffe3a4e82c306
ripemd-160 d4418bf468063ad82dfe36e5f3d8e379d9f2d51c

21031738 as geometric shapes

Circle

Radius = n
Diameter 42063476
Circumference 132146307.18605
Area 1.3896332552023E+15

Sphere

Radius = n
Volume 3.8968536719335E+22
Surface area 5.5585330208091E+15
Circumference 132146307.18605

Square

Length = n
Perimeter 84126952
Area 442334003300644
Diagonal 29743369.119878

Cube

Length = n
Surface area 2654004019803864
Volume 9.3030528659103E+21
Space diagonal 36428038.787477

Equilateral Triangle

Length = n
Perimeter 63095214
Area 1.9153624190801E+14
Altitude 18214019.393739

Triangular Pyramid

Length = n
Surface area 1.9153624190801E+14
Volume 1.096375294537E+21
Height 9914456.3732925