21430897 is an odd 8-digits composite number following 21430896
and preceding 21430898 . In scientific notation, it is written as 2.1430897 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20170240 positive integers (up to 21430897) that are relatively prime to 21430897.
21430897 has 4 divisors, whose sum is 22691556
The reverse of 21430897 is 79803412
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred thirty thousand eight hundred ninety-seven
Scientific notation
2.1430897 × 10^7
Engineering notation
2.1430897 × 10^6
Prime Factorization
17 × 1260641
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21430897
Product of the distinct prime numbers
The prime factorization of 21430897 is 17 × 1260641.
Since it has a total of 2 prime factors.
1 , 3 , 67 , 85 , 681 , 938 , 6597 , 9905 , 18470 , 52432 , 871098 , 269249 , 9673995 , 322249 , 24096840 , 8990215 , 880657766 , 308104132 , 3824904387 , 9818375123
n×2
42861794
n×3
64292691
n×4
85723588
n×5
107154485
n÷2
10715448.5
n÷3
7143632.3333333
n÷3
5357724.25
n÷5
4286179.4
n2
459283346224609
n3
9.8428540867549E+21
n4
2.1094119211927E+29
n5
4.5206589613654E+36
2 √n
4629.3516824713
3 √n
277.7666597802
4 √n
68.03933922718
5 √n
29.255536703007
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21430896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21430897 can be divided by 4 positive divisors.
The sum of these divisors (counting 21430897) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001110000001001110001
3
Ternary
1111022210122221
4
Quaternary
1101300021301
5
Quinary
20441242042
6
Senary
2043201041
8
Octal
121601161
10
Decimal
21430897
12
Duodecimal
7216181
16
Hexadecimal
1470271
20
Vigesimal
6dih4h
36
Base36
crc6p
md5
821f54170be2aae80af1c450426ad170
sha1
3f8fe867b90e099f97100bd6fdf6086ab2b8b3b9
sha256
be90dbe86ddad03508889f88fb2083188e3d5fa3f788f1dbd081e4f46fb5f85e
sha512
a121765a815aee57a8ec655efeaa230038ad83acb0429a9d873511c88361e524fb6bdf90822b6c7dbcecf32986d98635523531f9340e4f92193078cddb2c564a
ripemd-160
6b8b5e82c63e6efd6c1bab8dfe358c5889c73866
Diameter
42861794
Circumference
134654297.15008
Area
1.4428811864154E+15
Volume
4.1229650785741E+22
Surface area
5.7715247456615E+15
Circumference
134654297.15008
Perimeter
85723588
Area
459283346224609
Diagonal
30307865.191221
Surface area
2755700077347654
Volume
9.8428540867549E+21
Space diagonal
37119402.455775
Perimeter
64292691
Area
1.9887552268282E+14
Altitude
18559701.227888
Surface area
1.9887552268282E+14
Volume
1.1599914784957E+21
Height
10102621.730407