21977213 is an odd 8-digits composite number following 21977212
and preceding 21977214 . In scientific notation, it is written as 2.1977213 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 20815344 positive integers (up to 21977213) that are relatively prime to 21977213.
21977213 has 4 divisors, whose sum is 21988860
The reverse of 21977213 is 31277912
Previous prime number is 2369
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million nine hundred seventy-seven thousand two hundred thirteen
Scientific notation
2.1977213 × 10^7
Engineering notation
2.1977213 × 10^6
Prime Factorization
2369 × 9277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21977213
Product of the distinct prime numbers
The prime factorization of 21977213 is 2369 × 9277.
Since it has a total of 2 prime factors.
8 , 6 , 50 , 75 , 891 , 97 , 3209 , 9771 , 38210 , 90147 , 196919 , 855723 , 875961 , 7670262 , 28471747 , 47057711 , 277883744 , 501590826 , 8823739877 , 9931210408
n×2
43954426
n×3
65931639
n×4
87908852
n×5
109886065
n÷2
10988606.5
n÷3
7325737.6666667
n÷3
5494303.25
n÷5
4395442.6
n2
482997891247369
n3
1.0614947534494E+22
n4
2.3328696294941E+29
n5
5.1269972748622E+36
2 √n
4687.9860281362
3 √n
280.10715711457
4 √n
68.468869043794
5 √n
29.403194954511
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21977212
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21977213 can be divided by 4 positive divisors.
The sum of these divisors (counting 21977213) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011110101100001111101
3
Ternary
1112100120001212
4
Quaternary
1103311201331
5
Quinary
21111232323
6
Senary
2103014205
8
Octal
123654175
10
Decimal
21977213
12
Duodecimal
743a365
16
Hexadecimal
14f587d
20
Vigesimal
6h730d
36
Base36
d31q5
md5
0ef6ae6095242f63324abc10980f6427
sha1
33ed996d256a45adcaedc434a1d09afee1cec51d
sha256
24d2d5d978a0f0c175386f6a7c1744cd5f0edbfe5cc551bea71db7b6b20bfeb6
sha512
03554df81ee0ca66e5a0e216229908739f24ea5ff25a5bf8e9726273f9168f043f3ab5270a07aabff45ef312e6ae89594e8078eef4dec880bb87c2161b1ed137
ripemd-160
0fd879495e415a87bde4f15486ad50da5e523623
Diameter
43954426
Circumference
138086901.81436
Area
1.5173826268421E+15
Volume
4.4463788256811E+22
Surface area
6.0695305073684E+15
Circumference
138086901.81436
Perimeter
87908852
Area
482997891247369
Diagonal
31080472.687762
Surface area
2897987347484214
Volume
1.0614947534494E+22
Space diagonal
38065649.524763
Perimeter
65931639
Area
2.0914422189727E+14
Altitude
19032824.762382
Surface area
2.0914422189727E+14
Volume
1.2509835639301E+21
Height
10360157.562587