21622221 is an odd 8-digits composite number following 21622220
and preceding 21622222 . In scientific notation, it is written as 2.1622221 × 10^7.
The sum of its digits is 18. It has a total of 6 prime factors and 32 positive divisors.
There are 13646880 positive integers (up to 21622221) that are relatively prime to 21622221.
21622221 has 32 divisors, whose sum is 33088000
The reverse of 21622221 is 12222612
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million six hundred twenty-two thousand two hundred twenty-one
Scientific notation
2.1622221 × 10^7
Engineering notation
2.1622221 × 10^6
Prime Factorization
3 × 3 × 93 × 3 × 79 × 109
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2402469
Product of the distinct prime numbers
The prime factorization of 21622221 is 3 × 3 × 93 × 3 × 79 × 109.
Since it has a total of 6 prime factors.
6 , 1 , 84 , 27 , 184 , 12 , 8507 , 6700 , 72362 , 14147 , 614226 , 557426 , 2755397 , 6826888 , 14174338 , 47737344 , 621853948 , 104138025 , 6938728949 , 9284127330
n×2
43244442
n×3
64866663
n×4
86488884
n×5
108111105
n÷2
10811110.5
n÷3
7207407
n÷3
5405555.25
n÷5
4324444.2
n2
467520440972841
n3
1.0108830296732E+22
n4
2.1857536272744E+29
n5
4.7260847980479E+36
2 √n
4649.9699999032
3 √n
278.59079797694
4 √n
68.190688513192
5 √n
29.307586832592
1 , 3 , 9 , 27 , 79 , 93 , 109 , 237 , 279 , 327 , 711 , 837 , 981 , 2133 , 2511 , 2943 , 7347 , 8611 , 10137 , 22041 , 25833 , 30411 , 66123 , 77499 , 91233 , 198369 , 232497 , 273699 , 800823 , 2402469 , 7207407 , 21622221
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
-21622220
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 21622221 can be divided by 32 positive divisors.
The sum of these divisors (counting 21622221) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010011110110111001101
3
Ternary
1111200112010000
4
Quaternary
1102132313031
5
Quinary
21013402341
6
Senary
2051234513
8
Octal
122366715
10
Decimal
21622221
12
Duodecimal
72a8a39
16
Hexadecimal
149edcd
20
Vigesimal
6f2fb1
36
Base36
cvft9
md5
98944983323b369468ef1b33634b1b5d
sha1
1751c1758f6d2bb796be1d7c1391fc58685108a7
sha256
600d1c780711b1bcc35a1bd3dc8fb706db3b85f2e051cc8b23fc99c528623949
sha512
76c13e870ad29a76a1159872c661acc6981ec93034e34c33681bee0bf55a35d301a2cc204db1f2b2663bf44539487e89866d37c6713502ced3fb702478c9e637
ripemd-160
fd6b0fe4eed2950c6ccf3e3aabb479f6e45dadb7
Diameter
43244442
Circumference
135856421.29579
Area
1.4687587827633E+15
Volume
4.23437693288E+22
Surface area
5.8750351310534E+15
Circumference
135856421.29579
Perimeter
86488884
Area
467520440972841
Diagonal
30578438.186828
Surface area
2805122645837046
Volume
1.0108830296732E+22
Space diagonal
37450785.344483
Perimeter
64866663
Area
2.0244228933549E+14
Altitude
18725392.672241
Surface area
2.0244228933549E+14
Volume
1.1913370754472E+21
Height
10192812.728943