21917070 is an even 8-digits composite number following 21917069
and preceding 21917071 . In scientific notation, it is written as 2.1917070 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 4743360 positive integers (up to 21917070) that are relatively prime to 21917070.
21917070 has 16 divisors, whose sum is 43880064
The reverse of 21917070 is 07071912
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million nine hundred seventeen thousand seventy
Scientific notation
2.1917070 × 10^7
Engineering notation
2.1917070 × 10^6
Prime Factorization
2 × 1995 × 3 × 1831
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21917070
Product of the distinct prime numbers
The prime factorization of 21917070 is 2 × 1995 × 3 × 1831.
Since it has a total of 4 prime factors.
2 , 3 , 34 , 36 , 440 , 638 , 2578 , 3884 , 57002 , 20882 , 124608 , 169166 , 8736943 , 6757307 , 6963650 , 24109182 , 56716983 , 330304543 , 8670006294 , 6980632901
n×2
43834140
n×3
65751210
n×4
87668280
n×5
109585350
n÷2
10958535
n÷3
7305690
n÷3
5479267.5
n÷5
4383414
n2
480357957384900
n3
1.0528038977062E+22
n4
2.3074376722299E+29
n5
5.0572272982901E+36
2 √n
4681.5670453386
3 √n
279.85140925487
4 √n
68.421977794701
5 √n
29.387084310261
1 , 2 , 3 , 6 , 1831 , 1995 , 3662 , 3990 , 5493 , 5985 , 10986 , 11970 , 3652845 , 7305690 , 10958535 , 21917070
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21917069
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21917070 can be divided by 16 positive divisors.
The sum of these divisors (counting 21917070) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011100110110110001110
3
Ternary
1112020111120100
4
Quaternary
1103212312032
5
Quinary
21102321240
6
Senary
2101431530
8
Octal
123466616
10
Decimal
21917070
12
Duodecimal
740b5a6
16
Hexadecimal
14e6d8e
20
Vigesimal
6gjcda
36
Base36
d1rbi
md5
226986675fe64c48a349c910f3112491
sha1
cc449d1cd3658b14f7456e8fa485dd48fee44d0b
sha256
8125cb8c04a6ee2196f8f84579ff5e9c868e20e3444dee92689659094fca4c8b
sha512
4bed5bef540cfc89371cbba6d3d5a5e683411b72174c048bfdf61dfa0710be8fe0ef4b0ed191b091e5bd015e8e03d93baca377e7e7e0fa1c6f98a69b7ee96ba9
ripemd-160
6c2d5c3cbe4d46e369ca19503bdcbd2d38583ae7
Diameter
43834140
Circumference
137709012.20043
Area
1.5090890300138E+15
Volume
4.4099746542726E+22
Surface area
6.0363561200552E+15
Circumference
137709012.20043
Perimeter
87668280
Area
480357957384900
Diagonal
30995417.64148
Surface area
2882147744309400
Volume
1.0528038977062E+22
Space diagonal
37961478.793044
Perimeter
65751210
Area
2.0800109700266E+14
Altitude
18980739.396522
Surface area
2.0800109700266E+14
Volume
1.2407412922128E+21
Height
10331805.880493