20156638 is an even 8-digits composite number following 20156637
and preceding 20156639 . In scientific notation, it is written as 2.0156638 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 9767520 positive integers (up to 20156638) that are relatively prime to 20156638.
20156638 has 16 divisors, whose sum is 31173984
The reverse of 20156638 is 83665102
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred fifty-six thousand six hundred thirty-eight
Scientific notation
2.0156638 × 10^7
Engineering notation
2.0156638 × 10^6
Prime Factorization
2 × 421 × 37 × 647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20156638
Product of the distinct prime numbers
The prime factorization of 20156638 is 2 × 421 × 37 × 647.
Since it has a total of 4 prime factors.
2 , 6 , 41 , 46 , 895 , 571 , 4863 , 705 , 22009 , 62399 , 846485 , 573127 , 9823931 , 6479346 , 89472372 , 35406647 , 75235422 , 887752324 , 8515390604 , 4148122290
n×2
40313276
n×3
60469914
n×4
80626552
n×5
100783190
n÷2
10078319
n÷3
6718879.3333333
n÷3
5039159.5
n÷5
4031327.6
n2
406290055463044
n3
8.1894415709685E+21
n4
1.6507160916816E+29
n5
3.3272886700801E+36
2 √n
4489.6144600622
3 √n
272.14855459222
4 √n
67.004585365945
5 √n
28.899053516197
1 , 2 , 37 , 74 , 421 , 647 , 842 , 1294 , 15577 , 23939 , 31154 , 47878 , 272387 , 544774 , 10078319 , 20156638
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
-20156637
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 20156638 can be divided by 16 positive divisors.
The sum of these divisors (counting 20156638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111001000011011110
3
Ternary
1101221001201011
4
Quaternary
1030321003132
5
Quinary
20130003023
6
Senary
2000005434
8
Octal
114710336
10
Decimal
20156638
12
Duodecimal
690087a
16
Hexadecimal
13390de
20
Vigesimal
65jbbi
36
Base36
c00ym
md5
0c0ff07a8b4b0328c51eb83560bea9ab
sha1
6b44a47a781bac3813ede10573671f1ef13367dd
sha256
c301399e6b0d9cd0a03c11c390700257901e249674b268a0486b3d9933d567fb
sha512
918ef784d10cc53b3fc29a2ed8989ba23c3e9ba19d5481b727a2a5d4f67817fbbad261c922acc34fa67304eb9513ecd32ee7afa4dd83c8413f99717e3a56f405
ripemd-160
0d7e85193ab445e1d1a5b6feb4c92f415d8c4c0a
Diameter
40313276
Circumference
126647891.72374
Area
1.2763978534693E+15
Volume
3.4303852635143E+22
Surface area
5.1055914138772E+15
Circumference
126647891.72374
Perimeter
80626552
Area
406290055463044
Diagonal
28505790.831445
Surface area
2437740332778264
Volume
8.1894415709685E+21
Space diagonal
34912321.125774
Perimeter
60469914
Area
1.7592875466799E+14
Altitude
17456160.562887
Surface area
1.7592875466799E+14
Volume
9.6513494482714E+20
Height
9501930.2771483