21025858 is an even 8-digits composite number following 21025857
and preceding 21025859 . In scientific notation, it is written as 2.1025858 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 9011076 positive integers (up to 21025858) that are relatively prime to 21025858.
21025858 has 8 divisors, whose sum is 36044352
The reverse of 21025858 is 85852012
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million twenty-five thousand eight hundred fifty-eight
Scientific notation
2.1025858 × 10^7
Engineering notation
2.1025858 × 10^6
Prime Factorization
2 × 7 × 1501847
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21025858
Product of the distinct prime numbers
The prime factorization of 21025858 is 2 × 7 × 1501847.
Since it has a total of 3 prime factors.
4 , 7 , 88 , 4 , 173 , 731 , 7618 , 8714 , 25101 , 5675 , 363444 , 423578 , 7879705 , 6391758 , 67380870 , 36220251 , 517950655 , 242704755 , 2525799679 , 596757040
n×2
42051716
n×3
63077574
n×4
84103432
n×5
105129290
n÷2
10512929
n÷3
7008619.3333333
n÷3
5256464.5
n÷5
4205171.6
n2
442086704636164
n3
9.2952522753679E+21
n4
1.9544065441606E+29
n5
4.1093074471792E+36
2 √n
4585.3961660908
3 √n
276.00560970185
4 √n
67.715553354387
5 √n
29.144106509977
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
-21025857
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 21025858 can be divided by 8 positive divisors.
The sum of these divisors (counting 21025858) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001101010001000010
3
Ternary
1110120020001111
4
Quaternary
1100031101002
5
Quinary
20340311413
6
Senary
2030353534
8
Octal
120152102
10
Decimal
21025858
12
Duodecimal
705b8aa
16
Hexadecimal
140d442
20
Vigesimal
6b84ci
36
Base36
cinnm
md5
439582ca765be9435963bb87fbcc883a
sha1
4d63c314a938e56faa14d0826045fa55e84c677f
sha256
84f856e7424f608ab3880a9544b5ecd88427131cb846c7d020166dbb57343af1
sha512
6089de3a6d59f02db31f9b91295f51cb94503e314e3995bbad8134725df21359dcb69b44c9ebe21f17c0ee26778244f60d64d5dc0a73ddf2cda06cca6a31d608
ripemd-160
a27b7f1d5594b44ee5148a70a4d0be353b152a9c
Diameter
42051716
Circumference
132109362.05644
Area
1.3888563435347E+15
Volume
3.893586168208E+22
Surface area
5.5554253741388E+15
Circumference
132109362.05644
Perimeter
84103432
Area
442086704636164
Diagonal
29735053.544131
Surface area
2652520227816984
Volume
9.2952522753679E+21
Space diagonal
36417854.328729
Perimeter
63077574
Area
1.9142915844513E+14
Altitude
18208927.164364
Surface area
1.9142915844513E+14
Volume
1.0954559861254E+21
Height
9911684.5147103