163978906 is an even 9-digits composite number following 163978905
and preceding 163978907 . In scientific notation, it is written as 1.63978906 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 61053696 positive integers (up to 163978906) that are relatively prime to 163978906.
163978906 has 16 divisors, whose sum is 263304000
The reverse of 163978906 is 609879361
Previous prime number is 91
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred sixty-three million nine hundred seventy-eight thousand nine hundred six
Scientific notation
1.63978906 × 10^8
Engineering notation
1.63978906 × 10^6
Prime Factorization
2 × 17 × 91 × 52999
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
163978906
Product of the distinct prime numbers
The prime factorization of 163978906 is 2 × 17 × 91 × 52999.
Since it has a total of 4 prime factors.
7 , 6 , 31 , 24 , 713 , 666 , 7134 , 9510 , 16367 , 92730 , 886828 , 522129 , 3438049 , 1258006 , 38106676 , 70127844 , 394649716 , 386454225 , 8244465663 , 1246392495
n×2
327957812
n×3
491936718
n×4
655915624
n×5
819894530
n÷2
81989453
n÷3
54659635.333333
n÷3
40994726.5
n÷5
32795781.2
n2
26889081612956836
n3
4.4092421862374E+24
n4
7.2302270998825E+32
n5
1.1856047299703E+41
2 √n
12805.424866048
3 √n
547.34689852537
4 √n
113.16105719747
5 √n
43.94987021504
1 , 2 , 17 , 34 , 91 , 182 , 1547 , 3094 , 52999 , 105998 , 900983 , 1801966 , 4822909 , 9645818 , 81989453 , 163978906
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
-163978905
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 163978906 can be divided by 16 positive divisors.
The sum of these divisors (counting 163978906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001100001111010011010
3
Ternary
102102112222202211
4
Quaternary
21301201322122
5
Quinary
313434311111
6
Senary
24134345334
8
Octal
1161417232
10
Decimal
163978906
12
Duodecimal
46abb24a
16
Hexadecimal
9c61e9a
20
Vigesimal
2b4h756
36
Base36
2pmmxm
md5
36a40dfb82aa1754d7070c5e7122e300
sha1
d806bf4a33047d998a1fc84470297abdaefa171b
sha256
0310b79c3f1ef2b7625522cb14bdb41ac92984325eb23c0848b96c8c344e91da
sha512
c52f365811576d8bee6b017b727a5e3b9ee8ad739c25238ced1d71279b6a43c809a6af8ae53499fb58fa3f4e179470361322a7bc602550d91b78835d2b0837f0
ripemd-160
320436c05facf5e87d07b5e56c1f1ee1d91e1b97
Diameter
327957812
Circumference
1030309852.8666
Area
8.4474541257042E+16
Volume
1.8469390480242E+25
Surface area
3.3789816502817E+17
Circumference
1030309852.8666
Perimeter
655915624
Area
26889081612956836
Diagonal
231901192.8083
Surface area
161334489677741016
Volume
4.4092421862374E+24
Space diagonal
284019796.56156
Perimeter
491936718
Area
1.1643313880627E+16
Altitude
142009898.28078
Surface area
1.1643313880627E+16
Volume
5.1963417496371E+23
Height
77300397.602768