21708021 (number)

21708021 is an odd 8-digits composite number following 21708020 and preceding 21708022. In scientific notation, it is written as 2.1708021 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 13763904 positive integers (up to 21708021) that are relatively prime to 21708021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1708021 × 10^7
Engineering notation 2.1708021 × 10^6

Prime Factorization of 21708021

Prime Factorization 3 × 23 × 197 × 1597

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21708021
Product of the distinct prime numbers

The prime factorization of 21708021 is 3 × 23 × 197 × 1597. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 42, 42, 165, 615, 984, 3684, 86082, 57627, 965514, 333614, 7380783, 3206841, 47339445, 3739422, 531586320, 214747798, 551976149, 7872904802

Basic calculations (n = 21708021)

Multiplication

n×y
n×2 43416042
n×3 65124063
n×4 86832084
n×5 108540105

Division

n÷y
n÷2 10854010.5
n÷3 7236007
n÷3 5427005.25
n÷5 4341604.2

Exponentiation

ny
n2 471238175736441
n3 1.0229648214888E+22
n4 2.2206541827141E+29
n5 4.8206007632095E+36

Nth Root

y√n
2√n 4659.1867316089
3√n 278.95880739723
4√n 68.258235632111
5√n 29.330809323262

Divisors of 21708021

1, 3, 23, 69, 197, 591, 1597, 4531, 4791, 13593, 36731, 110193, 314609, 943827, 7236007, 21708021

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 -21708020
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 21708021 can be divided by 16 positive divisors. The sum of these divisors (counting 21708021) is 1, the average is 0.0625.

Base conversion 21708021

Base System Value
2 Binary 1010010110011110011110101
3 Ternary 1111211212210210
4 Quaternary 1102303303311
5 Quinary 21024124041
6 Senary 2053140033
8 Octal 122636365
10 Decimal 21708021
12 Duodecimal 732a619
16 Hexadecimal 14b3cf5
20 Vigesimal 6fda11
36 Base36 cxa0l

Cryptographic Hash Functions

md5 9f6fb651d4c32a5cc505f242114bccf6
sha1 405e9affe5445e73a4ce4f213f62e6704daee89d
sha256 ad8b79b3b83f92a82574a29daa4c6854e8c49254f3c952bac153f01e42e3f04c
sha512 8a63a36e3d2c043f9d49c9c00561f073924261c93897dfe05a6ba5326f91597bc59451a8071cf719c5c538befc72d2c082b109bfe3841e88535c8104f17ffe26
ripemd-160 dbf4645acfe5195922a6c361d52da574d81ce473

21708021 as geometric shapes

Circle

Radius = n
Diameter 43416042
Circumference 136395518.59515
Area 1.4804383909847E+15

Sphere

Radius = n
Volume 4.2849850240935E+22
Surface area 5.9217535639386E+15
Circumference 136395518.59515

Square

Length = n
Perimeter 86832084
Area 471238175736441
Diagonal 30699777.71048

Cube

Length = n
Surface area 2827429054418646
Volume 1.0229648214888E+22
Space diagonal 37599395.303772

Equilateral Triangle

Length = n
Perimeter 65124063
Area 2.040521157104E+14
Altitude 18799697.651886

Triangular Pyramid

Length = n
Surface area 2.040521157104E+14
Volume 1.2055756036501E+21
Height 10233259.236827