21002570 is an even 8-digits composite number following 21002569
and preceding 21002571 . In scientific notation, it is written as 2.1002570 × 10^7.
The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors.
There are 8401024 positive integers (up to 21002570) that are relatively prime to 21002570.
21002570 has 8 divisors, whose sum is 37804644
The reverse of 21002570 is 07520012
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million two thousand five hundred seventy
Scientific notation
2.1002570 × 10^7
Engineering notation
2.1002570 × 10^6
Prime Factorization
2 × 5 × 2100257
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21002570
Product of the distinct prime numbers
The prime factorization of 21002570 is 2 × 5 × 2100257.
Since it has a total of 3 prime factors.
5 , 9 , 58 , 69 , 293 , 759 , 4459 , 3396 , 3952 , 89897 , 468145 , 807944 , 7040663 , 3401264 , 40327254 , 29909768 , 426802212 , 319839399 , 1991864447 , 7450869912
n×2
42005140
n×3
63007710
n×4
84010280
n×5
105012850
n÷2
10501285
n÷3
7000856.6666667
n÷3
5250642.5
n÷5
4200514
n2
441107946604900
n3
9.2644005261257E+21
n4
1.9457622055799E+29
n5
4.0866006926047E+36
2 √n
4582.8560963661
3 √n
275.90367183797
4 √n
67.696795318287
5 √n
29.137647712014
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
-21002569
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 21002570 can be divided by 8 positive divisors.
The sum of these divisors (counting 21002570) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111100101001010
3
Ternary
1110112001002222
4
Quaternary
1100013211022
5
Quinary
20334040240
6
Senary
2030054042
8
Octal
120074512
10
Decimal
21002570
12
Duodecimal
704a322
16
Hexadecimal
140794a
20
Vigesimal
6b568a
36
Base36
ci5oq
md5
f2f3d2eee1eabaa6e3d4659fbba69232
sha1
d00f3987bb2854019d0539833081ed60cd0d7e1f
sha256
3dab10d144d094a3f74cb2a955b528dec2a3c0bfff6f7a187863030cff3cd78d
sha512
41f1c9cd7d0e9e57b204fc7127e30fbc1d71a91a3e2524c761bf759a8d25c9e1803c6bee5eb3cfcb89220026571bc8834b83fcbde52449fdc6c5e5e5f63080c4
ripemd-160
321c81f6ed70946f866cb470d0a2b7b1797755e1
Diameter
42005140
Circumference
131963039.23701
Area
1.385781484494E+15
Volume
3.8806630177053E+22
Surface area
5.5431259379761E+15
Circumference
131963039.23701
Perimeter
84010280
Area
441107946604900
Diagonal
29702119.33869
Surface area
2646647679629400
Volume
9.2644005261257E+21
Space diagonal
36377518.329522
Perimeter
63007710
Area
1.9100534378552E+14
Altitude
18188759.164761
Surface area
1.9100534378552E+14
Volume
1.0918200726086E+21
Height
9900706.4462301