21031798 is an even 8-digits composite number following 21031797
and preceding 21031799 . In scientific notation, it is written as 2.1031798 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 10058664 positive integers (up to 21031798) that are relatively prime to 21031798.
21031798 has 8 divisors, whose sum is 32919408
The reverse of 21031798 is 89713012
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million thirty-one thousand seven hundred ninety-eight
Scientific notation
2.1031798 × 10^7
Engineering notation
2.1031798 × 10^6
Prime Factorization
2 × 23 × 457213
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21031798
Product of the distinct prime numbers
The prime factorization of 21031798 is 2 × 23 × 457213.
Since it has a total of 3 prime factors.
2 , 8 , 96 , 83 , 560 , 458 , 58 , 6705 , 99291 , 99541 , 403982 , 519139 , 6284124 , 1712864 , 28587583 , 16284345 , 997915448 , 95062359 , 1337867238 , 875501038
n×2
42063596
n×3
63095394
n×4
84127192
n×5
105158990
n÷2
10515899
n÷3
7010599.3333333
n÷3
5257949.5
n÷5
4206359.6
n2
442336527112804
n3
9.303132486258E+21
n4
1.9566160321822E+29
n5
4.1151153152417E+36
2 √n
4586.0438288355
3 √n
276.03159863663
4 √n
67.720335415852
5 √n
29.145753020034
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031797
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031798 can be divided by 8 positive divisors.
The sum of these divisors (counting 21031798) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110101101110110
3
Ternary
1110120112012111
4
Quaternary
1100032231312
5
Quinary
20341004143
6
Senary
2030441234
8
Octal
120165566
10
Decimal
21031798
12
Duodecimal
706321a
16
Hexadecimal
140eb76
20
Vigesimal
6b8j9i
36
Base36
cis8m
md5
109865302ad70e282b55aeeba3e7d43a
sha1
244bf120db4ea97fc78f6938d6f9f619897fb1b7
sha256
0f3de97da653c41a63c55e1561f4db8e944400796f9bbb9d6a13669e6b7ea93b
sha512
9d95ed992770ae9390e4b172767fe4839c54c9dd589e85baed6242189d543e93650ea678642cb9ca05320eb2b0b210e971ab6cdddbf82d0858e66bf6c1fd0e77
ripemd-160
fefa71b204e63aeea474b893c0c3af0210ecf897
Diameter
42063596
Circumference
132146684.17717
Area
1.389641183992E+15
Volume
3.8968870232268E+22
Surface area
5.558564735968E+15
Circumference
132146684.17717
Perimeter
84127192
Area
442336527112804
Diagonal
29743453.972691
Surface area
2654019162676824
Volume
9.303132486258E+21
Space diagonal
36428142.710525
Perimeter
63095394
Area
1.9153733475074E+14
Altitude
18214071.355263
Surface area
1.9153733475074E+14
Volume
1.096384677885E+21
Height
9914484.6575638