21972661 is an odd 8-digits prime number following 21972660
and preceding 21972662 . In scientific notation, it is written as 2.1972661 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 21972660 positive integers (up to 21972661) that are relatively prime to 21972661.
21972661 has 2 divisors, whose sum is 21972662
The reverse of 21972661 is 16627912
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million nine hundred seventy-two thousand six hundred sixty-one
Scientific notation
2.1972661 × 10^7
Engineering notation
2.1972661 × 10^6
Prime Factorization
21972661
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21972661
Product of the distinct prime numbers
The prime factorization of 21972661 is 21972661.
Since it has a total of 1 prime factors.
10 , 4 , 26 , 94 , 63 , 640 , 8183 , 1582 , 58206 , 51208 , 815346 , 106856 , 7804693 , 7705823 , 2651562 , 6036489 , 397557604 , 784418689 , 3514937764 , 5706531986
n×2
43945322
n×3
65917983
n×4
87890644
n×5
109863305
n÷2
10986330.5
n÷3
7324220.3333333
n÷3
5493165.25
n÷5
4394532.2
n2
482797831420921
n3
1.0608353081347E+22
n4
2.3309374602474E+29
n5
5.1216898626218E+36
2 √n
4687.5005066666
3 √n
280.08781684274
4 √n
68.465323388316
5 √n
29.401976834327
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21972662
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10986331
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4687.5006133333
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999089778
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21972661 can be divided by 2 positive divisors.
The sum of these divisors (counting 21972661) is 21972662, the average is 10986331.
Base
System
Value
2
Binary
1010011110100011010110101
3
Ternary
1112100022211021
4
Quaternary
1103310122311
5
Quinary
21111111121
6
Senary
2102541141
8
Octal
123643265
10
Decimal
21972661
12
Duodecimal
74377b1
16
Hexadecimal
14f46b5
20
Vigesimal
6h6bd1
36
Base36
d2y7p
md5
0a591a9444c78b60e9549ce2653e0810
sha1
80908d07fcc253fa271efd5f2c2691adc13f1bbc
sha256
6efe057be3e06ebad80d3e7117e5178a1f7c6bff167347675b01608e463ace67
sha512
e6c1a9a0d25df680fcdd137d70a94285e76b0735650eea46ccd32a57c74276d02dc2c159b5381eeb5a3d9e85bf7c4f976248e4955b0ba7d7b85213c980dce4e1
ripemd-160
741524b5392f5d31a475690c07a8fd567dcdff9c
Diameter
43945322
Circumference
138058300.75484
Area
1.516754120361E+15
Volume
4.4436165476062E+22
Surface area
6.0670164814442E+15
Circumference
138058300.75484
Perimeter
87890644
Area
482797831420921
Diagonal
31074035.187626
Surface area
2896786988525526
Volume
1.0608353081347E+22
Space diagonal
38057765.229487
Perimeter
65917983
Area
2.0905759345128E+14
Altitude
19028882.614744
Surface area
2.0905759345128E+14
Volume
1.2502064001736E+21
Height
10358011.729209