21409970 is an even 8-digits composite number following 21409969
and preceding 21409971 . In scientific notation, it is written as 2.1409970 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 8060160 positive integers (up to 21409970) that are relatively prime to 21409970.
21409970 has 16 divisors, whose sum is 40805208
The reverse of 21409970 is 07990412
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred nine thousand nine hundred seventy
Scientific notation
2.1409970 × 10^7
Engineering notation
2.1409970 × 10^6
Prime Factorization
2 × 5 × 17 × 125941
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21409970
Product of the distinct prime numbers
The prime factorization of 21409970 is 2 × 5 × 17 × 125941.
Since it has a total of 4 prime factors.
9 , 3 , 66 , 98 , 663 , 278 , 5225 , 3716 , 38931 , 20478 , 560797 , 668084 , 5353912 , 9587067 , 77769816 , 71699071 , 134218741 , 518778762 , 4344834688 , 4720717135
n×2
42819940
n×3
64229910
n×4
85639880
n×5
107049850
n÷2
10704985
n÷3
7136656.6666667
n÷3
5352492.5
n÷5
4281994
n2
458386815400900
n3
9.8140479661288E+21
n4
2.1011847253338E+29
n5
4.4986301933855E+36
2 √n
4627.0908787272
3 √n
277.67621845825
4 √n
68.022723252801
5 √n
29.249820937671
1 , 2 , 5 , 10 , 17 , 34 , 85 , 170 , 125941 , 251882 , 629705 , 1259410 , 2140997 , 4281994 , 10704985 , 21409970
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
-21409969
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 21409970 can be divided by 16 positive divisors.
The sum of these divisors (counting 21409970) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001101011000010110010
3
Ternary
1111021201221212
4
Quaternary
1101223002302
5
Quinary
20440104340
6
Senary
2042520122
8
Octal
121530262
10
Decimal
21409970
12
Duodecimal
7206042
16
Hexadecimal
146b0b2
20
Vigesimal
6dg4ia
36
Base36
cqw1e
md5
2f25e860f8c85790661f5cc9c05e1475
sha1
44c38eafbaccdd11885fd343329f4ad8eb9c7873
sha256
32416d0d2f7f8d0126c444f75181b736c0568794e2f2ff9346972bbf3ffbef20
sha512
61ae03ede8e56299f272063dc16b2adb4b21af9fc8850109d417fad94ae89ffcc19e5d3e673b33d314efa5f6934f8cffa5aff081a11f5f9bbcf3f699b9263085
ripemd-160
ec0cb8dda6dca7bc30d93d8ee2b89c83cb3c9d2e
Diameter
42819940
Circumference
134522808.93116
Area
1.4400646517659E+15
Volume
4.1108987989824E+22
Surface area
5.7602586070636E+15
Circumference
134522808.93116
Perimeter
85639880
Area
458386815400900
Diagonal
30278269.944001
Surface area
2750320892405400
Volume
9.8140479661288E+21
Space diagonal
37083155.828525
Perimeter
64229910
Area
1.9848731344851E+14
Altitude
18541577.914263
Surface area
1.9848731344851E+14
Volume
1.1565966446233E+21
Height
10092756.648