21691433 is an odd 8-digits composite number following 21691432
and preceding 21691434 . In scientific notation, it is written as 2.1691433 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 21445200 positive integers (up to 21691433) that are relatively prime to 21691433.
21691433 has 8 divisors, whose sum is 21939456
The reverse of 21691433 is 33419612
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million six hundred ninety-one thousand four hundred thirty-three
Scientific notation
2.1691433 × 10^7
Engineering notation
2.1691433 × 10^6
Prime Factorization
211 × 223 × 461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21691433
Product of the distinct prime numbers
The prime factorization of 21691433 is 211 × 223 × 461.
Since it has a total of 3 prime factors.
10 , 10 , 38 , 43 , 46 , 431 , 7760 , 321 , 37531 , 53015 , 573531 , 456915 , 5628423 , 1318170 , 27472984 , 96594448 , 899811690 , 476586854 , 2212714671 , 7340999284
n×2
43382866
n×3
65074299
n×4
86765732
n×5
108457165
n÷2
10845716.5
n÷3
7230477.6666667
n÷3
5422858.25
n÷5
4338286.6
n2
470518265593489
n3
1.0206215433397E+22
n4
2.2138743825711E+29
n5
4.8022107839956E+36
2 √n
4657.4062524113
3 √n
278.8877346226
4 √n
68.245192156014
5 √n
29.326325374704
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
-21691432
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 21691433 can be divided by 8 positive divisors.
The sum of these divisors (counting 21691433) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101111110000101001
3
Ternary
1111211001001102
4
Quaternary
1102233300221
5
Quinary
21023111213
6
Senary
2052531145
8
Octal
122576051
10
Decimal
21691433
12
Duodecimal
7320ab5
16
Hexadecimal
14afc29
20
Vigesimal
6fb8bd
36
Base36
cwx7t
md5
7e1799865c9e238c49dcad4c74300bf8
sha1
f6830c389504288fff75a3877d17d147cc1fda64
sha256
67fefe877c87ea0be5c9e9167379de50f2b393618fbe38135c472f6e8603793a
sha512
226a73cc972d17e2e6f8a0f44eb9ebaf38cd67f2de411ecf7c3e2ece8474fc761f22476607216817104463832c12cc6c534323afd5b437693528a2d3b5029b95
ripemd-160
905f51957383140cd1e4ee2e35b4cac626bafae5
Diameter
43382866
Circumference
136291293.11727
Area
1.4781767265683E+15
Volume
4.2751695235355E+22
Surface area
5.9127069062733E+15
Circumference
136291293.11727
Perimeter
86765732
Area
470518265593489
Diagonal
30676318.735907
Surface area
2823109593560934
Volume
1.0206215433397E+22
Space diagonal
37570664.044976
Perimeter
65074299
Area
2.0374038547428E+14
Altitude
18785332.022488
Surface area
2.0374038547428E+14
Volume
1.2028140238677E+21
Height
10225439.578636