21690670 is an even 8-digits composite number following 21690669
and preceding 21690671 . In scientific notation, it is written as 2.1690670 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 8662720 positive integers (up to 21690670) that are relatively prime to 21690670.
21690670 has 16 divisors, whose sum is 39104208
The reverse of 21690670 is 07609612
Previous prime number is 2531
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million six hundred ninety thousand six hundred seventy
Scientific notation
2.1690670 × 10^7
Engineering notation
2.1690670 × 10^6
Prime Factorization
2 × 5 × 2531 × 857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21690670
Product of the distinct prime numbers
The prime factorization of 21690670 is 2 × 5 × 2531 × 857.
Since it has a total of 4 prime factors.
7 , 9 , 75 , 62 , 832 , 216 , 8179 , 9340 , 99174 , 15171 , 270 , 998841 , 8217501 , 3635591 , 30043887 , 79361304 , 805932415 , 670378918 , 5438071987 , 2127910876
n×2
43381340
n×3
65072010
n×4
86762680
n×5
108453350
n÷2
10845335
n÷3
7230223.3333333
n÷3
5422667.5
n÷5
4338134
n2
470485165048900
n3
1.0205138454971E+22
n4
2.2135629053109E+29
n5
4.801366250334E+36
2 √n
4657.3243391458
3 √n
278.88446460909
4 √n
68.244592013916
5 √n
29.326119060063
1 , 2 , 5 , 10 , 857 , 1714 , 2531 , 4285 , 5062 , 8570 , 12655 , 25310 , 2169067 , 4338134 , 10845335 , 21690670
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
-21690669
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 21690670 can be divided by 16 positive divisors.
The sum of these divisors (counting 21690670) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010101111100100101110
3
Ternary
1111211000000011
4
Quaternary
1102233210232
5
Quinary
21023100140
6
Senary
2052523434
8
Octal
122574456
10
Decimal
21690670
12
Duodecimal
732057a
16
Hexadecimal
14af92e
20
Vigesimal
6fb6da
36
Base36
cwwmm
md5
099e945e4632b8bc343752a8fcdd9414
sha1
c1adfdc4b80f671a948b8a1506dc8395d917e036
sha256
5da51933ec0f437f8bc0abd07d50dbf99fc712dc00b3b3aa3fbc41f65ad96263
sha512
eb6f0431ee41571b3289229d6e1604470db7981fdaba1a17b634bccc5fbb1672789d1d2822adba8a2651c160e4916bc613c2eca4ecae0d56ad2de7428762ecd6
ripemd-160
dcc3575cbfef97a6df52658bb0f7dfd62013c1ee
Diameter
43381340
Circumference
136286499.04688
Area
1.4780727381406E+15
Volume
4.2747183998672E+22
Surface area
5.9122909525624E+15
Circumference
136286499.04688
Perimeter
86762680
Area
470485165048900
Diagonal
30675239.690959
Surface area
2822910990293400
Volume
1.0205138454971E+22
Space diagonal
37569342.49021
Perimeter
65072010
Area
2.0372605251803E+14
Altitude
18784671.245105
Surface area
2.0372605251803E+14
Volume
1.202687100743E+21
Height
10225079.896986