21771207 is an odd 8-digits composite number following 21771206
and preceding 21771208 . In scientific notation, it is written as 2.1771207 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 18 positive divisors.
There are 12947040 positive integers (up to 21771207) that are relatively prime to 21771207.
21771207 has 18 divisors, whose sum is 32338488
The reverse of 21771207 is 70217712
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million seven hundred seventy-one thousand two hundred seven
Scientific notation
2.1771207 × 10^7
Engineering notation
2.1771207 × 10^6
Prime Factorization
1767 × 3 × 3 × 37 × 37
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
196137
Product of the distinct prime numbers
The prime factorization of 21771207 is 1767 × 3 × 3 × 37 × 37.
Since it has a total of 5 prime factors.
5 , 2 , 50 , 70 , 352 , 214 , 8598 , 618 , 2616 , 31389 , 174263 , 655980 , 7744480 , 7399375 , 8658257 , 74167663 , 978145147 , 431664336 , 2860214435 , 5740675573
n×2
43542414
n×3
65313621
n×4
87084828
n×5
108856035
n÷2
10885603.5
n÷3
7257069
n÷3
5442801.75
n÷5
4354241.4
n2
473985454236849
n3
1.0319235439179E+22
n4
2.2466221082811E+29
n5
4.8911674970165E+36
2 √n
4665.9626016504
3 √n
279.22920233657
4 √n
68.307851683759
5 √n
29.34786424049
1 , 3 , 9 , 37 , 111 , 333 , 1369 , 1767 , 4107 , 5301 , 12321 , 15903 , 65379 , 196137 , 588411 , 2419023 , 7257069 , 21771207
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21771206
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21771207 can be divided by 18 positive divisors.
The sum of these divisors (counting 21771207) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1010011000011001111000111
3
Ternary
1111222002111000
4
Quaternary
1103003033013
5
Quinary
21033134312
6
Senary
2054344343
8
Octal
123031707
10
Decimal
21771207
12
Duodecimal
735b0b3
16
Hexadecimal
14c33c7
20
Vigesimal
6g1807
36
Base36
cymrr
md5
c83fc79a57d8c06be78294db60b44e6b
sha1
7c0eb570d62d436ece832451fe0bd9ab975beff5
sha256
876f14b368783bbbbbccfb8449c1ec107f4febeef006e5b86794d2778ba788d3
sha512
ef7d372c55445b4fa22f7952305f090c9611d4c2c1fdf78def76b5248c660db7bf060eb5c7d1c930c66d880c8c236af4aa4a46e4f0709a6c4f93a8a109cfdc1c
ripemd-160
b2aa6c8b9dac6b849f63c62c60ce67e1958d4ac0
Diameter
43542414
Circumference
136792527.94197
Area
1.4890692209389E+15
Volume
4.322511232852E+22
Surface area
5.9562768837556E+15
Circumference
136792527.94197
Perimeter
87084828
Area
473985454236849
Diagonal
30789136.208632
Surface area
2843912725421094
Volume
1.0319235439179E+22
Space diagonal
37708836.666099
Perimeter
65313621
Area
2.0524172219671E+14
Altitude
18854418.33305
Surface area
2.0524172219671E+14
Volume
1.2161335592841E+21
Height
10263045.402877