168242538 is an even 9-digits composite number following 168242537
and preceding 168242539 . In scientific notation, it is written as 1.68242538 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 55814640 positive integers (up to 168242538) that are relatively prime to 168242538.
168242538 has 16 divisors, whose sum is 338082336
The reverse of 168242538 is 835242861
Previous prime number is 211
Is Prime? no Number parity even Number length 9 Sum of Digits 39 Digital Root 3
Name
one hundred sixty-eight million two hundred forty-two thousand five hundred thirty-eight
Scientific notation
1.68242538 × 10^8
Engineering notation
1.68242538 × 10^6
Prime Factorization
2 × 3 × 211 × 132893
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
168242538 Product of the distinct prime numbers
The prime factorization of 168242538 is 2 × 3 × 211 × 132893.
Since it has a total of 4 prime factors.
2 , 6 , 13 , 53 , 379 , 190 , 8059 , 8398 , 22366 , 45772 , 740600 , 717454 , 8368045 , 2280727 , 42316877 , 34757509 , 448270376 , 511462255 , 4777536083 , 6991609071
n×2
336485076
n×3
504727614
n×4
672970152
n×5
841212690
n÷2
84121269
n÷3
56080846
n÷3
42060634.5
n÷5
33648507.6
n2
28305551592681444
n3
4.7621978394427E+24
n4
8.0120425096595E+32
n5
1.347966366389E+41
2 √n12970.834128922
3 √n552.05024091127
4 √n113.88956988645
5 √n44.176078623613
1 , 2 , 3 , 6 , 211 , 422 , 633 , 1266 , 132893 , 265786 , 398679 , 797358 , 28040423 , 56080846 , 84121269 , 168242538
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
-168242537 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 168242538 can be divided by 16 positive divisors.
The sum of these divisors (counting 168242538) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110010110101101010
3
Ternary
102201120121101010
4
Quaternary
22001302311222
5
Quinary
321032230123
6
Senary
24410004350
8
Octal
1201626552
10
Decimal
168242538
12
Duodecimal
484166b6
16
Hexadecimal
a072d6a
20
Vigesimal
2cba66i
36
Base36
2s60ru
md5
6ef1a3051a3d5cf55e28c31112ce0265
sha1
ae123153d23cd93404db9d88df4627d9ddaeb477
sha256
8fc60871645469f10eedffcaa963c582f09cdc52d1859e67a3389b1588782675
sha512
7fd5a014cc7d075a0602868bf37ccbf75c7922efe03c8f13bf4ace1d5bdb4bf7826a8b7ae6c89f2eeeb979fb92f20e6a9cab99eb22ac10df1e21c12b54fa4052
ripemd-160
4cafd544f814403fdd1684a929322c5c77f3c755
Diameter
336485076
Circumference
1057099042.8042
Area
8.8924512939375E+16
Volume
1.9947847663112E+25
Surface area
3.556980517575E+17
Circumference
1057099042.8042
Perimeter
672970152
Area
28305551592681444
Diagonal
237930879.00767
Surface area
169833309556088664
Volume
4.7621978394427E+24
Space diagonal
291404623.81034
Perimeter
504727614
Area
1.2256663373697E+16
Altitude
145702311.90517
Surface area
1.2256663373697E+16
Volume
5.6123039760364E+23
Height
79310293.002557