21492860 is an even 8-digits composite number following 21492859
and preceding 21492861 . In scientific notation, it is written as 2.1492860 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 8597136 positive integers (up to 21492860) that are relatively prime to 21492860.
21492860 has 12 divisors, whose sum is 45135048
The reverse of 21492860 is 06829412
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred ninety-two thousand eight hundred sixty
Scientific notation
2.1492860 × 10^7
Engineering notation
2.1492860 × 10^6
Prime Factorization
2 × 2 × 5 × 1074643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10746430
Product of the distinct prime numbers
The prime factorization of 21492860 is 2 × 2 × 5 × 1074643.
Since it has a total of 4 prime factors.
8 , 2 , 11 , 57 , 377 , 685 , 947 , 4905 , 46318 , 55059 , 705794 , 496595 , 3469016 , 6307767 , 43662853 , 24673563 , 75505562 , 202438358 , 7444195446 , 2365478824
n×2
42985720
n×3
64478580
n×4
85971440
n×5
107464300
n÷2
10746430
n÷3
7164286.6666667
n÷3
5373215
n÷5
4298572
n2
461943030979600
n3
9.9284768928202E+21
n4
2.1339136387062E+29
n5
4.5863907088803E+36
2 √n
4636.0392578148
3 √n
278.03410378156
4 √n
68.088466408158
5 √n
29.272434436791
1 , 2 , 4 , 5 , 10 , 20 , 1074643 , 2149286 , 4298572 , 5373215 , 10746430 , 21492860
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492859
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492860 can be divided by 12 positive divisors.
The sum of these divisors (counting 21492860) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111111010001111100
3
Ternary
1111102221122212
4
Quaternary
1101333101330
5
Quinary
21000232420
6
Senary
2044355552
8
Octal
121772174
10
Decimal
21492860
12
Duodecimal
7245bb8
16
Hexadecimal
147f47c
20
Vigesimal
6e6c30
36
Base36
csnzw
md5
3f630a6a69caae56a7763bb843faee93
sha1
3eaecf60f47ff4ba32b4f521a4a7894522f60cc4
sha256
6a49a8ef5779d5c0fb98e92c206bb4336fc126c2f14801cd2b404f4da7c25566
sha512
15b1032e0d66db7e0db9ec165f69fa9be701900835cf983c40545bf75db68a6c4a96858b1209312f5d4093cfa6ec855a3bf8d785bb9f5c9f93b32d624436e21e
ripemd-160
8335b7cc5740d39da199e14dbccbbd7c791af1f7
Diameter
42985720
Circumference
135043622.16127
Area
1.4512368325025E+15
Volume
4.1588306757093E+22
Surface area
5.8049473300101E+15
Circumference
135043622.16127
Perimeter
85971440
Area
461943030979600
Diagonal
30395494.106186
Surface area
2771658185877600
Volume
9.9284768928202E+21
Space diagonal
37226725.519965
Perimeter
64478580
Area
2.0002719996476E+14
Altitude
18613362.759982
Surface area
2.0002719996476E+14
Volume
1.1700822229612E+21
Height
10131831.368729