21008220 (number)

21008220 is an even 8-digits composite number following 21008219 and preceding 21008221. In scientific notation, it is written as 2.1008220 × 10^7. The sum of its digits is 15. It has a total of 4 prime factors and 12 positive divisors. There are 5602176 positive integers (up to 21008220) that are relatively prime to 21008220.

Interesting facts

Basic properties

Name

Name twenty-one million eight thousand two hundred twenty

Notation

Scientific notation 2.1008220 × 10^7
Engineering notation 2.1008220 × 10^6

Prime Factorization of 21008220

Prime Factorization 2 × 2 × 15 × 350137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10504110
Product of the distinct prime numbers

The prime factorization of 21008220 is 2 × 2 × 15 × 350137. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21008220)

Multiplication

n×y
n×2 42016440
n×3 63024660
n×4 84032880
n×5 105041100

Division

n÷y
n÷2 10504110
n÷3 7002740
n÷3 5252055
n÷5 4201644

Exponentiation

ny
n2 441345307568400
n3 9.2718793173646E+21
n4 1.9478568051265E+29
n5 4.0921004290594E+36

Nth Root

y√n
2√n 4583.4724827362
3√n 275.92841033397
4√n 67.701347717281
5√n 29.139215234442

Divisors of 21008220

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 -21008219
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 21008220 can be divided by 12 positive divisors. The sum of these divisors (counting 21008220) is 1, the average is 0.083333333333333.

Base conversion 21008220

Base System Value
2 Binary 1010000001000111101011100
3 Ternary 1110112022212020
4 Quaternary 1100020331130
5 Quinary 20334230340
6 Senary 2030140140
8 Octal 120107534
10 Decimal 21008220
12 Duodecimal 7051650
16 Hexadecimal 1408f5c
20 Vigesimal 6b60b0
36 Base36 cia1o

Cryptographic Hash Functions

md5 c31220b424d11a1b54637560ef24dc91
sha1 1ae25ba3ba56247db4afd2bb02ed193862d3cf7a
sha256 e1128c23d1ba6907cd92202e29a922317c4efb1a2280e01b19b3f3dc60a83c46
sha512 87bcff1ef01776ab28971b46cd896336f8c2474fa6dc3fbed8c5bee5fad69b103c599761d254e069ce8982260f9282c2b64d4d67d682c5df59c2aafebff135dd
ripemd-160 3306089a12449470ae4bcef55bbcaf3a8f2126d1

21008220 as geometric shapes

Circle

Radius = n
Diameter 42016440
Circumference 131998539.234
Area 1.3865271759532E+15

Sphere

Radius = n
Volume 3.8837957264538E+22
Surface area 5.5461087038129E+15
Circumference 131998539.234

Square

Length = n
Perimeter 84032880
Area 441345307568400
Diagonal 29710109.645318

Cube

Length = n
Surface area 2648071845410400
Volume 9.2718793173646E+21
Space diagonal 36387304.416585

Equilateral Triangle

Length = n
Perimeter 63024660
Area 1.9110812409765E+14
Altitude 18193652.208292

Triangular Pyramid

Length = n
Surface area 1.9110812409765E+14
Volume 1.0927014566086E+21
Height 9903369.8817726