21072571 is an odd 8-digits composite number following 21072570
and preceding 21072572 . In scientific notation, it is written as 2.1072571 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 18100224 positive integers (up to 21072571) that are relatively prime to 21072571.
21072571 has 16 divisors, whose sum is 24300864
The reverse of 21072571 is 17527012
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million seventy-two thousand five hundred seventy-one
Scientific notation
2.1072571 × 10^7
Engineering notation
2.1072571 × 10^6
Prime Factorization
13 × 97 × 17 × 983
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21072571
Product of the distinct prime numbers
The prime factorization of 21072571 is 13 × 97 × 17 × 983.
Since it has a total of 4 prime factors.
4 , 1 , 97 , 45 , 153 , 145 , 4008 , 732 , 8479 , 9785 , 203388 , 695878 , 66539 , 6265727 , 46876012 , 62892356 , 865704594 , 838852054 , 689507612 , 1189612008
n×2
42145142
n×3
63217713
n×4
84290284
n×5
105362855
n÷2
10536285.5
n÷3
7024190.3333333
n÷3
5268142.75
n÷5
4214514.2
n2
444053248550041
n3
9.3573436078514E+21
n4
1.9718328754784E+29
n5
4.1551588268654E+36
2 √n
4590.4870112004
3 √n
276.20985842075
4 √n
67.753132851555
5 √n
29.157044868115
1 , 13 , 17 , 97 , 221 , 983 , 1261 , 1649 , 12779 , 16711 , 21437 , 95351 , 217243 , 1239563 , 1620967 , 21072571
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
-21072570
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 21072571 can be divided by 16 positive divisors.
The sum of these divisors (counting 21072571) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011000101010111011
3
Ternary
1110122121010121
4
Quaternary
1100120222323
5
Quinary
20343310241
6
Senary
2031354111
8
Octal
120305273
10
Decimal
21072571
12
Duodecimal
7082937
16
Hexadecimal
1418abb
20
Vigesimal
6be18b
36
Base36
cjnp7
md5
daffb791f7137c57fbb1a9dcf2c9a71d
sha1
ec3bb505727c25f2c26d61b7573a530327e1a4ba
sha256
3e4a488ceeb1c72f8ac1fa2a665f719c682edbbd6deb9516b6fe72f1fe467c06
sha512
5ce4144b5f4ff93384518fb707e2cbac63014f359fb1ac50eb352bf708d72fbbeb2041aeb65c4de70251e61d906c78df996d730d0404da8d723322a06dc0d0e8
ripemd-160
f73e9ac456db923d8e0349817a9aa8ebdeab399e
Diameter
42145142
Circumference
132402868.4917
Area
1.3950344234475E+15
Volume
3.9195949247388E+22
Surface area
5.58013769379E+15
Circumference
132402868.4917
Perimeter
84290284
Area
444053248550041
Diagonal
29801115.70227
Surface area
2664319491300246
Volume
9.3573436078514E+21
Space diagonal
36498763.618102
Perimeter
63217713
Area
1.9228069693867E+14
Altitude
18249381.809051
Surface area
1.9228069693867E+14
Volume
1.1027735198341E+21
Height
9933705.23409