21556970 is an even 8-digits composite number following 21556969
and preceding 21556971 . In scientific notation, it is written as 2.1556970 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 8573904 positive integers (up to 21556970) that are relatively prime to 21556970.
21556970 has 16 divisors, whose sum is 39022560
The reverse of 21556970 is 07965512
Previous prime number is 179
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million five hundred fifty-six thousand nine hundred seventy
Scientific notation
2.1556970 × 10^7
Engineering notation
2.1556970 × 10^6
Prime Factorization
2 × 5 × 179 × 12043
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21556970
Product of the distinct prime numbers
The prime factorization of 21556970 is 2 × 5 × 179 × 12043.
Since it has a total of 4 prime factors.
9 , 7 , 16 , 55 , 524 , 188 , 4006 , 8767 , 65658 , 26022 , 392763 , 991706 , 3715838 , 7625116 , 22962128 , 60320795 , 831404520 , 473946530 , 9016107296 , 9421088321
n×2
43113940
n×3
64670910
n×4
86227880
n×5
107784850
n÷2
10778485
n÷3
7185656.6666667
n÷3
5389242.5
n÷5
4311394
n2
464702955580900
n3
1.0017587672369E+22
n4
2.1594883692562E+29
n5
4.6552025991406E+36
2 √n
4642.9484166852
3 √n
278.31027414434
4 √n
68.139184150423
5 √n
29.289876700473
1 , 2 , 5 , 10 , 179 , 358 , 895 , 1790 , 12043 , 24086 , 60215 , 120430 , 2155697 , 4311394 , 10778485 , 21556970
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
-21556969
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 21556970 can be divided by 16 positive divisors.
The sum of these divisors (counting 21556970) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001110111011101010
3
Ternary
1111120012121022
4
Quaternary
1102032323222
5
Quinary
21004310340
6
Senary
2050012442
8
Octal
122167352
10
Decimal
21556970
12
Duodecimal
7277122
16
Hexadecimal
148eeea
20
Vigesimal
6eec8a
36
Base36
cu1gq
md5
a8b8e8643be2a98c8dc71a9428d05a4e
sha1
3946f6e8a7b94b7afd94daab04b03f85716fdcf9
sha256
dfe6a19420d535f0551accf2130309c30071bfc6d0f66e521a8fb0ca86fb10ce
sha512
98e738af7cd46f95e01e6b6389885581eb36f4c8d903933be050e4bd2d869334a2b0c06b6dbd36d74a98d6d0b78e3fe06671af483bd105e02a04f919fc47ec27
ripemd-160
065d912aba8665d3acfd50d0e92fae977c1763ef
Diameter
43113940
Circumference
135446437.17131
Area
1.4599073913544E+15
Volume
4.1961573117607E+22
Surface area
5.8396295654177E+15
Circumference
135446437.17131
Perimeter
86227880
Area
464702955580900
Diagonal
30486159.33767
Surface area
2788217733485400
Volume
1.0017587672369E+22
Space diagonal
37337767.297238
Perimeter
64670910
Area
2.0122228237339E+14
Altitude
18668883.648619
Surface area
2.0122228237339E+14
Volume
1.1805840290438E+21
Height
10162053.112557