21497800 is an even 8-digits composite number following 21497799
and preceding 21497801 . In scientific notation, it is written as 2.1497800 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors.
There are 8412480 positive integers (up to 21497800) that are relatively prime to 21497800.
21497800 has 32 divisors, whose sum is 42831360
The reverse of 21497800 is 00879412
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety-seven thousand eight hundred
Scientific notation
2.1497800 × 10^7
Engineering notation
2.1497800 × 10^6
Prime Factorization
2 × 2 × 2 × 25 × 47 × 2287
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5374450
Product of the distinct prime numbers
The prime factorization of 21497800 is 2 × 2 × 2 × 25 × 47 × 2287.
Since it has a total of 6 prime factors.
8 , 8 , 94 , 3 , 601 , 101 , 5423 , 3312 , 4916 , 60812 , 587570 , 393338 , 596456 , 3686862 , 87285716 , 349980 , 310546688 , 41546963 , 7388423138 , 2347319895
n×2
42995600
n×3
64493400
n×4
85991200
n×5
107489000
n÷2
10748900
n÷3
7165933.3333333
n÷3
5374450
n÷5
4299560
n2
462155404840000
n3
9.9353244621694E+21
n4
2.1358761822282E+29
n5
4.5916638990306E+36
2 √n
4636.5720095778
3 √n
278.05540361876
4 √n
68.092378498462
5 √n
29.273779930441
1 , 2 , 4 , 8 , 25 , 47 , 50 , 94 , 100 , 188 , 200 , 376 , 1175 , 2287 , 2350 , 4574 , 4700 , 9148 , 9400 , 18296 , 57175 , 107489 , 114350 , 214978 , 228700 , 429956 , 457400 , 859912 , 2687225 , 5374450 , 10748900 , 21497800
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
-21497799
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 21497800 can be divided by 32 positive divisors.
The sum of these divisors (counting 21497800) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010000000011111001000
3
Ternary
1111110012102211
4
Quaternary
1102000133020
5
Quinary
21000412200
6
Senary
2044434504
8
Octal
122003710
10
Decimal
21497800
12
Duodecimal
7248a34
16
Hexadecimal
14807c8
20
Vigesimal
6e74a0
36
Base36
csrt4
md5
0a42708dbd28f1918cc316119032a848
sha1
791ff72c772acee6b1352dcb90a6faec545a9278
sha256
11e19276b5619cbeb6742b8bb7e7e6e040b5754abfdc65c45d11c3e6238c3113
sha512
fe6269ed8b96aa3aecc75d3ea39ec96a1c6bdcca2d4a1b08ac8970a46c3d013380d2f05e1b82258bd0a40b9d93f3ce43acca4ac50a23a77001d3ed3a3323da99
ripemd-160
c5386b845ca9f9d01632051caa8a2d6822e3901c
Diameter
42995600
Circumference
135074661.09669
Area
1.4519040246622E+15
Volume
4.161698978851E+22
Surface area
5.8076160986486E+15
Circumference
135074661.09669
Perimeter
85991200
Area
462155404840000
Diagonal
30402480.321184
Surface area
2772932429040000
Volume
9.9353244621694E+21
Space diagonal
37235281.850954
Perimeter
64493400
Area
2.0011916054386E+14
Altitude
18617640.925477
Surface area
2.0011916054386E+14
Volume
1.1708892167481E+21
Height
10134160.107061