21693211 is an odd 8-digits composite number following 21693210
and preceding 21693212 . In scientific notation, it is written as 2.1693211 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 20424960 positive integers (up to 21693211) that are relatively prime to 21693211.
21693211 has 8 divisors, whose sum is 22999424
The reverse of 21693211 is 11239612
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million six hundred ninety-three thousand two hundred eleven
Scientific notation
2.1693211 × 10^7
Engineering notation
2.1693211 × 10^6
Prime Factorization
37 × 31 × 18913
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21693211
Product of the distinct prime numbers
The prime factorization of 21693211 is 37 × 31 × 18913.
Since it has a total of 3 prime factors.
4 , 1 , 95 , 58 , 505 , 569 , 2415 , 3446 , 40295 , 3845 , 335660 , 384956 , 3161194 , 9108883 , 53523836 , 14161037 , 108683272 , 566896978 , 6237245032 , 204091319
n×2
43386422
n×3
65079633
n×4
86772844
n×5
108466055
n÷2
10846605.5
n÷3
7231070.3333333
n÷3
5423302.75
n÷5
4338642.2
n2
470595403490521
n3
1.020872538355E+22
n4
2.2146003378641E+29
n5
4.8041792409956E+36
2 √n
4657.597127275
3 √n
278.89535435653
4 √n
68.246590590849
5 √n
29.326806122076
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21693210
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21693211 can be divided by 8 positive divisors.
The sum of these divisors (counting 21693211) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110000001100011011
3
Ternary
1111211010111021
4
Quaternary
1102300030123
5
Quinary
21023140321
6
Senary
2052543311
8
Octal
122601433
10
Decimal
21693211
12
Duodecimal
7321b37
16
Hexadecimal
14b031b
20
Vigesimal
6fbd0b
36
Base36
cwyl7
md5
8e1961c789a0bd3ccb8c7c10198e7685
sha1
643edbb81ca26e7bb63dcdcdcf2beea5c91d8e42
sha256
c5aefda8d3a0488d11742ffe00441a67a01fb32e071d906f6fef3011a49e1e52
sha512
a0e58c79729383c25c2fc71f8fc39a1a88ef1ff426abda99eb0979f916cfc77cf912f7faab35957e5c721b24c138550d73d6814149a74dd7c7b38c14392eee82
ripemd-160
78b359f9ecab90a0aa7b2af6084b265b3e429743
Diameter
43386422
Circumference
136302464.62075
Area
1.4784190624189E+15
Volume
4.2762208889968E+22
Surface area
5.9136762496758E+15
Circumference
136302464.62075
Perimeter
86772844
Area
470595403490521
Diagonal
30678833.207621
Surface area
2823572420943126
Volume
1.020872538355E+22
Space diagonal
37573743.631312
Perimeter
65079633
Area
2.0377378716349E+14
Altitude
18786871.815656
Surface area
2.0377378716349E+14
Volume
1.2031098243299E+21
Height
10226277.735874