21521206 is an even 8-digits composite number following 21521205
and preceding 21521207 . In scientific notation, it is written as 2.1521206 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors.
There are 9026856 positive integers (up to 21521206) that are relatively prime to 21521206.
21521206 has 16 divisors, whose sum is 37679616
The reverse of 21521206 is 60212512
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million five hundred twenty-one thousand two hundred six
Scientific notation
2.1521206 × 10^7
Engineering notation
2.1521206 × 10^6
Prime Factorization
2 × 7 × 47 × 32707
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21521206
Product of the distinct prime numbers
The prime factorization of 21521206 is 2 × 7 × 47 × 32707.
Since it has a total of 4 prime factors.
7 , 1 , 51 , 77 , 308 , 835 , 8258 , 143 , 12995 , 71889 , 14794 , 603751 , 3340059 , 5107664 , 8021199 , 56436911 , 837030775 , 315313126 , 2107609754 , 2963791000
n×2
43042412
n×3
64563618
n×4
86084824
n×5
107606030
n÷2
10760603
n÷3
7173735.3333333
n÷3
5380301.5
n÷5
4304241.2
n2
463162307694436
n3
9.9678114353273E+21
n4
2.1451932326884E+29
n5
4.6167145470492E+36
2 √n
4639.0953859562
3 √n
278.15627912317
4 √n
68.110905044319
5 √n
29.280151595334
1 , 2 , 7 , 14 , 47 , 94 , 329 , 658 , 32707 , 65414 , 228949 , 457898 , 1537229 , 3074458 , 10760603 , 21521206
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
-21521205
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 21521206 can be divided by 16 positive divisors.
The sum of these divisors (counting 21521206) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010000110001100110110
3
Ternary
1111111101112201
4
Quaternary
1102012030312
5
Quinary
21002134311
6
Senary
2045135114
8
Octal
122061466
10
Decimal
21521206
12
Duodecimal
725a49a
16
Hexadecimal
1486336
20
Vigesimal
6ea306
36
Base36
ct9va
md5
e3389a189e7271bda9bdaf5f85f36a80
sha1
5caac6414e198d250d5771d1884dac1f9c4dac45
sha256
fdda76e84a623bf59ea839e08eeb4c700014c040612341a421986cb3e53d8a01
sha512
8c125132167804f5ab145cb8081441a95641c7323c935715e3a7d62713a82c4125e1bae41f95e90c330f0650003e2b3d148953f605d297bae4de9876d3cfc922
ripemd-160
e9fbb560ec443291e052d0ffa0ad9d5cc0b1e466
Diameter
43042412
Circumference
135221725.33199
Area
1.4550673032725E+15
Volume
4.1753070903457E+22
Surface area
5.8202692130901E+15
Circumference
135221725.33199
Perimeter
86084824
Area
463162307694436
Diagonal
30435581.403825
Surface area
2778973846166616
Volume
9.9678114353273E+21
Space diagonal
37275822.232156
Perimeter
64563618
Area
2.005551622694E+14
Altitude
18637911.116078
Surface area
2.005551622694E+14
Volume
1.1747178432515E+21
Height
10145193.801275