21054725 is an odd 8-digits composite number following 21054724
and preceding 21054726 . In scientific notation, it is written as 2.1054725 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 16056320 positive integers (up to 21054725) that are relatively prime to 21054725.
21054725 has 16 divisors, whose sum is 25764912
The reverse of 21054725 is 52745012
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million fifty-four thousand seven hundred twenty-five
Scientific notation
2.1054725 × 10^7
Engineering notation
2.1054725 × 10^6
Prime Factorization
145 × 5 × 113 × 257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21054725
Product of the distinct prime numbers
The prime factorization of 21054725 is 145 × 5 × 113 × 257.
Since it has a total of 4 prime factors.
5 , 5 , 79 , 41 , 362 , 150 , 8304 , 2598 , 37005 , 24544 , 407320 , 466789 , 2663156 , 63791 , 69436534 , 48667935 , 548898883 , 850881985 , 2134087347 , 8598691993
n×2
42109450
n×3
63164175
n×4
84218900
n×5
105273625
n÷2
10527362.5
n÷3
7018241.6666667
n÷3
5263681.25
n÷5
4210945
n2
443301444825625
n3
9.3335900129062E+21
n4
1.9651617098449E+29
n5
4.1375939381313E+36
2 √n
4588.5427970108
3 √n
276.13186393074
4 √n
67.738783551307
5 √n
29.152104673793
1 , 5 , 113 , 145 , 257 , 565 , 725 , 1285 , 16385 , 29041 , 37265 , 81925 , 145205 , 186325 , 4210945 , 21054725
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21054724
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21054725 can be divided by 16 positive divisors.
The sum of these divisors (counting 21054725) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010100010100000101
3
Ternary
1110121200122122
4
Quaternary
1100110110011
5
Quinary
20342222400
6
Senary
2031135325
8
Octal
120242405
10
Decimal
21054725
12
Duodecimal
7074545
16
Hexadecimal
1414505
20
Vigesimal
6bbgg5
36
Base36
cj9xh
md5
d1174087bd1fabbd29ab50bef9cb434f
sha1
d026064362bf6781020ac91a17df022c5028bb64
sha256
195fd8b6d8d2ed5c692813bbf677099fcd9aca48b63e4b8fe585f12cec8c4910
sha512
a54450f708a5d0bef4f824c04ca7dea36aef4dfb5307285d2aefe6dd6471e47df49b6a21e497c2f8455587b65fa10d3de9a4a01ab74a7a7d38d060574d4a56e8
ripemd-160
958b998166a8793a2ef0d0a751b0bac6ac4f2464
Diameter
42109450
Circumference
132290738.76671
Area
1.3926725623899E+15
Volume
3.9096450421554E+22
Surface area
5.5706902495597E+15
Circumference
132290738.76671
Perimeter
84218900
Area
443301444825625
Diagonal
29775877.647036
Surface area
2659808668953750
Volume
9.3335900129062E+21
Space diagonal
36467853.439391
Perimeter
63164175
Area
1.9195515637667E+14
Altitude
18233926.719695
Surface area
1.9195515637667E+14
Volume
1.0999741318235E+21
Height
9925292.549012