21031648 (number)

21031648 is an even 8-digits composite number following 21031647 and preceding 21031649. In scientific notation, it is written as 2.1031648 × 10^7. The sum of its digits is 25. It has a total of 8 prime factors and 48 positive divisors. There are 9472000 positive integers (up to 21031648) that are relatively prime to 21031648.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand six hundred forty-eight

Notation

Scientific notation 2.1031648 × 10^7
Engineering notation 2.1031648 × 10^6

Prime Factorization of 21031648

Prime Factorization 2 × 2 × 2 × 2 × 2 × 11 × 149 × 401

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1314478
Product of the distinct prime numbers

The prime factorization of 21031648 is 2 × 2 × 2 × 2 × 2 × 11 × 149 × 401. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031648)

Multiplication

n×y
n×2 42063296
n×3 63094944
n×4 84126592
n×5 105158240

Division

n÷y
n÷2 10515824
n÷3 7010549.3333333
n÷3 5257912
n÷5 4206329.6

Exponentiation

ny
n2 442330217595904
n3 9.3029334362405E+21
n4 1.9565602139844E+29
n5 4.1149685711325E+36

Nth Root

y√n
2√n 4586.0274748414
3√n 276.03094241063
4√n 67.720214669192
5√n 29.145711446076

Divisors of 21031648

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031647
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031648 can be divided by 48 positive divisors. The sum of these divisors (counting 21031648) is 1, the average is 0.020833333333333.

Base conversion 21031648

Base System Value
2 Binary 1010000001110101011100000
3 Ternary 1110120111222221
4 Quaternary 1100032223200
5 Quinary 20341003043
6 Senary 2030440424
8 Octal 120165340
10 Decimal 21031648
12 Duodecimal 7063114
16 Hexadecimal 140eae0
20 Vigesimal 6b8j28
36 Base36 cis4g

Cryptographic Hash Functions

md5 d3b95ac1705dcd6b3c993375b2f6ab3c
sha1 c6e7edd79c3decdd169f57c1616ba482ecabc4b3
sha256 3d0fc9d012e95f490b08873ebc931df59a8f6e8605da6c282e8bdc33f89a7f67
sha512 d433077cd8c6843f4d3eb7b7a2854421457fd04e78a8d0759a336ece7c63b4e37cd6f4827c160d4779fe01d12717ac8b6f4091a3817dd7c78110d2b212272fe6
ripemd-160 3985820cebe9ca505f0e67c84307d0919e948e0d

21031648 as geometric shapes

Circle

Radius = n
Diameter 42063296
Circumference 132145741.69937
Area 1.3896213620601E+15

Sphere

Radius = n
Volume 3.8968036453504E+22
Surface area 5.5584854482403E+15
Circumference 132145741.69937

Square

Length = n
Perimeter 84126592
Area 442330217595904
Diagonal 29743241.840657

Cube

Length = n
Surface area 2653981305575424
Volume 9.3029334362405E+21
Space diagonal 36427882.902904

Equilateral Triangle

Length = n
Perimeter 63094944
Area 1.9153460264978E+14
Altitude 18213941.451452

Triangular Pyramid

Length = n
Surface area 1.9153460264978E+14
Volume 1.0963612196154E+21
Height 9914413.9468857