21031874 is an even 8-digits composite number following 21031873
and preceding 21031875 . In scientific notation, it is written as 2.1031874 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 10515936 positive integers (up to 21031874) that are relatively prime to 21031874.
21031874 has 4 divisors, whose sum is 31547814
The reverse of 21031874 is 47813012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million thirty-one thousand eight hundred seventy-four
Scientific notation
2.1031874 × 10^7
Engineering notation
2.1031874 × 10^6
Prime Factorization
2 × 10515937
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21031874
Product of the distinct prime numbers
The prime factorization of 21031874 is 2 × 10515937.
Since it has a total of 2 prime factors.
4 , 10 , 77 , 38 , 870 , 704 , 9687 , 8374 , 86620 , 81572 , 61570 , 109989 , 6957208 , 1983777 , 10754775 , 21857219 , 336812289 , 292831247 , 4930617288 , 5546353779
n×2
42063748
n×3
63095622
n×4
84127496
n×5
105159370
n÷2
10515937
n÷3
7010624.6666667
n÷3
5257968.5
n÷5
4206374.8
n2
442339723951876
n3
9.3032333393506E+21
n4
1.9566443138582E+29
n5
4.1151896671883E+36
2 √n
4586.0521148369
3 √n
276.03193112328
4 √n
67.720396593913
5 √n
29.145774084082
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
-21031873
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 21031874 can be divided by 4 positive divisors.
The sum of these divisors (counting 21031874) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001110101111000010
3
Ternary
1110120112022022
4
Quaternary
1100032233002
5
Quinary
20341004444
6
Senary
2030441442
8
Octal
120165702
10
Decimal
21031874
12
Duodecimal
7063282
16
Hexadecimal
140ebc2
20
Vigesimal
6b8jde
36
Base36
cisaq
md5
dc11dd40e044f25a7e9b5f39d2d8ce4b
sha1
3cf6415912dbf1853e745647742921b0ce921362
sha256
1b16463bfbeb73256f260bba4fec9c5327061df7762fed84c7bb1df0aae2db1c
sha512
f2a83d4279aa72eb4815310a776ea2e558c2d1e0a8b7e837316b65ba6f7eb7469050459e225792fd4a9d6b1c6def0450e7c52a1d5df11a7dfd9943dbb5160587
ripemd-160
e755b0f51344b497b28c7ec55540b4ebbbd39aa0
Diameter
42063748
Circumference
132147161.69925
Area
1.3896512271582E+15
Volume
3.8969292684714E+22
Surface area
5.5586049086326E+15
Circumference
132147161.69925
Perimeter
84127496
Area
442339723951876
Diagonal
29743561.452922
Surface area
2654038343711256
Volume
9.3032333393506E+21
Space diagonal
36428274.346387
Perimeter
63095622
Area
1.9153871902266E+14
Altitude
18214137.173193
Surface area
1.9153871902266E+14
Volume
1.0963965635359E+21
Height
9914520.4843074