21493846 is an even 8-digits composite number following 21493845
and preceding 21493847 . In scientific notation, it is written as 2.1493846 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors.
There are 9466080 positive integers (up to 21493846) that are relatively prime to 21493846.
21493846 has 32 divisors, whose sum is 36288000
The reverse of 21493846 is 64839412
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred ninety-three thousand eight hundred forty-six
Scientific notation
2.1493846 × 10^7
Engineering notation
2.1493846 × 10^6
Prime Factorization
2 × 11 × 79 × 149 × 83
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21493846
Product of the distinct prime numbers
The prime factorization of 21493846 is 2 × 11 × 79 × 149 × 83.
Since it has a total of 5 prime factors.
5 , 2 , 2 , 35 , 110 , 723 , 9986 , 382 , 28281 , 34434 , 59555 , 858395 , 9639483 , 1323807 , 93972376 , 88373032 , 58148770 , 882440825 , 7665256393 , 1131291651
n×2
42987692
n×3
64481538
n×4
85975384
n×5
107469230
n÷2
10746923
n÷3
7164615.3333333
n÷3
5373461.5
n÷5
4298769.2
n2
461985415871716
n3
9.9298433829926E+21
n4
2.1343052447816E+29
n5
4.5874428248329E+36
2 √n
4636.1455973686
3 √n
278.03835538627
4 √n
68.08924729624
5 √n
29.272703010548
1 , 2 , 11 , 22 , 79 , 83 , 149 , 158 , 166 , 298 , 869 , 913 , 1639 , 1738 , 1826 , 3278 , 6557 , 11771 , 12367 , 13114 , 23542 , 24734 , 72127 , 129481 , 136037 , 144254 , 258962 , 272074 , 976993 , 1953986 , 10746923 , 21493846
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21493845
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21493846 can be divided by 32 positive divisors.
The sum of these divisors (counting 21493846) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111111100001010110
3
Ternary
1111110000000101
4
Quaternary
1101333201112
5
Quinary
21000300341
6
Senary
2044404314
8
Octal
121774126
10
Decimal
21493846
12
Duodecimal
724669a
16
Hexadecimal
147f856
20
Vigesimal
6e6ec6
36
Base36
csora
md5
376e5d34091f601393dce99cb467ecc8
sha1
b63aaf0cf30e94de272dc8af6239a401911d3ff0
sha256
f9451897907e8122473fbf7f3f9f5d543068deacae55bbff3bedc19440586915
sha512
92e950a2789bc6307888e8a9efd8e6e3fb43e6aaf8abed55990724fe94bb4e699411c5cabc230161fc0d88320cab87f118c3d94f5e0a4883b4f659ce85b0dd02
ripemd-160
5af4dbb6f522a1549950807a976dbfca9340ab6f
Diameter
42987692
Circumference
135049817.38198
Area
1.4513699885682E+15
Volume
4.1594030697742E+22
Surface area
5.8054799542728E+15
Circumference
135049817.38198
Perimeter
85975384
Area
461985415871716
Diagonal
30396888.520759
Surface area
2771912495230296
Volume
9.9298433829926E+21
Space diagonal
37228433.322061
Perimeter
64481538
Area
2.0004555316141E+14
Altitude
18614216.661031
Surface area
2.0004555316141E+14
Volume
1.1702432653724E+21
Height
10132296.173586