168521942 is an even 9-digits composite number following 168521941
and preceding 168521943 . In scientific notation, it is written as 1.68521942 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 84260970 positive integers (up to 168521942) that are relatively prime to 168521942.
168521942 has 4 divisors, whose sum is 252782916
The reverse of 168521942 is 249125861
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred sixty-eight million five hundred twenty-one thousand nine hundred forty-two
Scientific notation
1.68521942 × 10^8
Engineering notation
1.68521942 × 10^6
Prime Factorization
2 × 84260971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
168521942
Product of the distinct prime numbers
The prime factorization of 168521942 is 2 × 84260971.
Since it has a total of 2 prime factors.
2 , 8 , 9 , 21 , 477 , 424 , 5122 , 7030 , 96011 , 8204 , 43272 , 87299 , 9676248 , 2566929 , 1475436 , 55021207 , 842487143 , 956396027 , 5343141042 , 9796072123
n×2
337043884
n×3
505565826
n×4
674087768
n×5
842609710
n÷2
84260971
n÷3
56173980.666667
n÷3
42130485.5
n÷5
33704388.4
n2
28399644935451364
n3
4.7859633166327E+24
n4
8.0653983245971E+32
n5
1.3591965886646E+41
2 √n
12981.600132495
3 √n
552.35567246268
4 √n
113.93682518174
5 √n
44.190741719026
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168521941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168521942 can be divided by 4 positive divisors.
The sum of these divisors (counting 168521942) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010110111000011010110
3
Ternary
102202002210122102
4
Quaternary
22002313003112
5
Quinary
321120200232
6
Senary
24420002102
8
Octal
1202670326
10
Decimal
168521942
12
Duodecimal
48530332
16
Hexadecimal
a0b70d6
20
Vigesimal
2cd54h2
36
Base36
2sc0d2
md5
899ca28dc6be086ec7393ce39cae0924
sha1
16d752ef39be1b86a96363d690dd97db44061214
sha256
8148c7ecc3c9422c57c28a19df24536d912383e81f459e1e31c3d590eaf29021
sha512
20c6689f57113ab3260751b004e951b39ecef38073442d3c1bd406293ace6c8aa8ab647e6f77b2a2d74ede98ac169b7fb00a635922afa52068bd8a59bd486304
ripemd-160
70a992e91bf4165527dfd127cded79a724884ce4
Diameter
337043884
Circumference
1058854589.9118
Area
8.9220115893773E+16
Volume
2.0047396261178E+25
Surface area
3.5688046357509E+17
Circumference
1058854589.9118
Perimeter
674087768
Area
28399644935451364
Diagonal
238326015.93385
Surface area
170397869612708184
Volume
4.7859633166327E+24
Space diagonal
291888565.73418
Perimeter
505565826
Area
1.2297406986279E+16
Altitude
145944282.86709
Surface area
1.2297406986279E+16
Volume
5.6403118595018E+23
Height
79442005.311284