20021556 is an even 8-digits composite number following 20021555
and preceding 20021557 . In scientific notation, it is written as 2.0021556 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 6612192 positive integers (up to 20021556) that are relatively prime to 20021556.
20021556 has 24 divisors, whose sum is 47148640
The reverse of 20021556 is 65512002
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million twenty-one thousand five hundred fifty-six
Scientific notation
2.0021556 × 10^7
Engineering notation
2.0021556 × 10^6
Prime Factorization
2 × 2 × 3 × 109 × 15307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10010778
Product of the distinct prime numbers
The prime factorization of 20021556 is 2 × 2 × 3 × 109 × 15307.
Since it has a total of 5 prime factors.
4 , 5 , 11 , 65 , 233 , 87 , 305 , 6874 , 98204 , 69370 , 476082 , 636294 , 9378682 , 1788965 , 35954254 , 43667221 , 836096905 , 911410013 , 6140255283 , 9121889550
n×2
40043112
n×3
60064668
n×4
80086224
n×5
100107780
n÷2
10010778
n÷3
6673852
n÷3
5005389
n÷5
4004311.2
n2
400862704661136
n3
8.0258950896844E+21
n4
1.6069090798824E+29
n5
3.2172820129774E+36
2 √n
4474.5453400318
3 √n
271.53924662168
4 √n
66.892042426822
5 √n
28.860215206245
1 , 2 , 3 , 4 , 6 , 12 , 109 , 218 , 327 , 436 , 654 , 1308 , 15307 , 30614 , 45921 , 61228 , 91842 , 183684 , 1668463 , 3336926 , 5005389 , 6673852 , 10010778 , 20021556
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20021555
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20021556 can be divided by 24 positive divisors.
The sum of these divisors (counting 20021556) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100011000000100110100
3
Ternary
1101200012102010
4
Quaternary
1030120010310
5
Quinary
20111142211
6
Senary
1553044220
8
Octal
114300464
10
Decimal
20021556
12
Duodecimal
6856670
16
Hexadecimal
1318134
20
Vigesimal
652dhg
36
Base36
bx4qc
md5
4bfbfff0a508a29d3d2b2076bcc7fb19
sha1
23bcb814724e7da9efb19a03b4f20d3ccf12c36a
sha256
570a442d86c76f4fea1210162b39283a6db58d716a71d66b8519e6d691ac6b7c
sha512
25fe390562b8d45661065d14d9f6034e8dd6790e7bc5f0d7f0874f7862e90acf2b2ad5ddb3eb3afba49a9252d6d1a590fd5c694bce14cc47f144c7f58f15b5e5
ripemd-160
19dc5a0b9399b8fa53ba9b6979fb4b918d8b450e
Diameter
40043112
Circumference
125799146.48607
Area
1.2593473280616E+15
Volume
3.3618790736313E+22
Surface area
5.0373893122462E+15
Circumference
125799146.48607
Perimeter
80086224
Area
400862704661136
Diagonal
28314756.035012
Surface area
2405176227966816
Volume
8.0258950896844E+21
Space diagonal
34678352.238586
Perimeter
60064668
Area
1.7357864283314E+14
Altitude
17339176.119293
Surface area
1.7357864283314E+14
Volume
9.4586080716794E+20
Height
9438252.0116708