20156820 is an even 8-digits composite number following 20156819
and preceding 20156821 . In scientific notation, it is written as 2.0156820 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 5201280 positive integers (up to 20156820) that are relatively prime to 20156820.
20156820 has 24 divisors, whose sum is 38843392
The reverse of 20156820 is 02865102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred fifty-six thousand eight hundred twenty
Scientific notation
2.0156820 × 10^7
Engineering notation
2.0156820 × 10^6
Prime Factorization
2 × 2 × 15 × 31 × 10837
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10078410
Product of the distinct prime numbers
The prime factorization of 20156820 is 2 × 2 × 15 × 31 × 10837.
Since it has a total of 5 prime factors.
8 , 7 , 74 , 47 , 412 , 856 , 2426 , 833 , 98149 , 67714 , 670649 , 208502 , 5797186 , 68963 , 64753001 , 80725639 , 501339789 , 284753183 , 9968924845 , 8550804431
n×2
40313640
n×3
60470460
n×4
80627280
n×5
100784100
n÷2
10078410
n÷3
6718940
n÷3
5039205
n÷5
4031364
n2
406297392512400
n3
8.1896634073418E+21
n4
1.6507757116238E+29
n5
3.3274388879572E+36
2 √n
4489.6347290175
3 √n
272.14937369191
4 √n
67.004736616283
5 √n
28.899105703559
1 , 2 , 4 , 15 , 30 , 31 , 60 , 62 , 124 , 465 , 930 , 1860 , 10837 , 21674 , 43348 , 162555 , 325110 , 335947 , 650220 , 671894 , 1343788 , 5039205 , 10078410 , 20156820
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
-20156819
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 20156820 can be divided by 24 positive divisors.
The sum of these divisors (counting 20156820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111001000110010100
3
Ternary
1101221001221220
4
Quaternary
1030321012110
5
Quinary
20130004240
6
Senary
2000010340
8
Octal
114710624
10
Decimal
20156820
12
Duodecimal
69009b0
16
Hexadecimal
1339194
20
Vigesimal
65jc10
36
Base36
c013o
md5
9093e5c8465551b6585b04c473b81c3b
sha1
1c095e663cb4af08f3a550d4b56a1028fd9d7b64
sha256
5a77309ca7bc62c8ccb4bf2b53e4196e8e8e2f5b625265983694c46adb503380
sha512
b45459897caf3fa59475c7f3fe8f5f36f1075e548871f1367bb2a9c7f2b5271806d4f780b7fa2140d9deea079c15e8fa3a4a93704fa048d6d5053dd188533430
ripemd-160
19e99b5b275cc89a7d590522549d59f904c41e51
Diameter
40313640
Circumference
126649035.26346
Area
1.2764209034896E+15
Volume
3.4304781861171E+22
Surface area
5.1056836139586E+15
Circumference
126649035.26346
Perimeter
80627280
Area
406297392512400
Diagonal
28506048.218313
Surface area
2437784355074400
Volume
8.1896634073418E+21
Space diagonal
34912636.35902
Perimeter
60470460
Area
1.7593193170356E+14
Altitude
17456318.17951
Surface area
1.7593193170356E+14
Volume
9.6516108849445E+20
Height
9502016.0727711