21031370 is an even 8-digits composite number following 21031369
and preceding 21031371 . In scientific notation, it is written as 2.1031370 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 16 positive divisors.
There are 8310864 positive integers (up to 21031370) that are relatively prime to 21031370.
21031370 has 16 divisors, whose sum is 38314080
The reverse of 21031370 is 07313012
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 thirty-one thousand three hundred seventy
Scientific notation
2.1031370 × 10^7
Engineering notation
2.1031370 × 10^6
Prime Factorization
2 × 83 × 5 × 25339
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21031370
Product of the distinct prime numbers
The prime factorization of 21031370 is 2 × 83 × 5 × 25339.
Since it has a total of 4 prime factors.
1 , 2 , 58 , 93 , 646 , 559 , 966 , 7923 , 52753 , 19135 , 795667 , 644010 , 8548019 , 1413485 , 41194479 , 48057331 , 92395189 , 660407870 , 340648720 , 4201342309
n×2
42062740
n×3
63094110
n×4
84125480
n×5
105156850
n÷2
10515685
n÷3
7010456.6666667
n÷3
5257842.5
n÷5
4206274
n2
442318524076900
n3
9.3025645377152E+21
n4
1.9564567674157E+29
n5
4.1146966164523E+36
2 √n
4585.9971652848
3 √n
276.02972619685
4 √n
67.719990883673
5 √n
29.145634395046
1 , 2 , 5 , 10 , 83 , 166 , 415 , 830 , 25339 , 50678 , 126695 , 253390 , 2103137 , 4206274 , 10515685 , 21031370
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
-21031369
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 21031370 can be divided by 16 positive divisors.
The sum of these divisors (counting 21031370) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110100111001010
3
Ternary
1110120111121122
4
Quaternary
1100032213022
5
Quinary
20341000440
6
Senary
2030435242
8
Octal
120164712
10
Decimal
21031370
12
Duodecimal
7062b22
16
Hexadecimal
140e9ca
20
Vigesimal
6b8i8a
36
Base36
cirwq
md5
4a5126cb9daf1967be71c36318b07f05
sha1
40b7e34ccc2823f3857e93e4b02b3b26bef26a4c
sha256
b168af9f83159ead53eb24f0090f49c875ec59579d1e83dd5b938b0b546f89e6
sha512
93733911b57fb1be1a996517ade286abd7b276abc5360a9ac97627024d79683e23df3299886570eb53d536b159515365785c73f7042f9ebcd39fc2f36419ad61
ripemd-160
7a9a1574eeb44ebfc8146826836242dce6be7052
Diameter
42062740
Circumference
132143994.97386
Area
1.3895846257867E+15
Volume
3.8966491214975E+22
Surface area
5.5583385031467E+15
Circumference
132143994.97386
Perimeter
84125480
Area
442318524076900
Diagonal
29742848.689287
Surface area
2653911144461400
Volume
9.3025645377152E+21
Space diagonal
36427401.39278
Perimeter
63094110
Area
1.9152953920752E+14
Altitude
18213700.69639
Surface area
1.9152953920752E+14
Volume
1.0963177445073E+21
Height
9914282.8964289