168431388 is an even 9-digits composite number following 168431387
and preceding 168431389 . In scientific notation, it is written as 1.68431388 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 55766400 positive integers (up to 168431388) that are relatively prime to 168431388.
168431388 has 24 divisors, whose sum is 395648400
The reverse of 168431388 is 883134861
Previous prime number is 149
Is Prime? no Number parity even Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred sixty-eight million four hundred thirty-one thousand three hundred eighty-eight
Scientific notation
1.68431388 × 10^8
Engineering notation
1.68431388 × 10^6
Prime Factorization
2 × 2 × 3 × 149 × 94201
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
84215694 Product of the distinct prime numbers
The prime factorization of 168431388 is 2 × 2 × 3 × 149 × 94201.
Since it has a total of 5 prime factors.
7 , 2 , 46 , 79 , 838 , 624 , 7909 , 8361 , 47310 , 54007 , 474313 , 577380 , 2311552 , 3887393 , 90601462 , 47420128 , 15069 , 75265735 , 3954169391 , 6682929965
n×2
336862776
n×3
505294164
n×4
673725552
n×5
842156940
n÷2
84215694
n÷3
56143796
n÷3
42107847
n÷5
33686277.6
n2
28369132463606544
n3
4.7782523572011E+24
n4
8.0480767673765E+32
n5
1.3555487406598E+41
2 √n12978.111881164
3 √n552.25672001257
4 √n113.92151632226
5 √n44.185991585295
1 , 2 , 3 , 4 , 6 , 12 , 149 , 298 , 447 , 596 , 894 , 1788 , 94201 , 188402 , 282603 , 376804 , 565206 , 1130412 , 14035949 , 28071898 , 42107847 , 56143796 , 84215694 , 168431388
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
-168431387 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 168431388 can be divided by 24 positive divisors.
The sum of these divisors (counting 168431388) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000010100000111100011100
3
Ternary
102201221012102120
4
Quaternary
22002200330130
5
Quinary
321104301023
6
Senary
24414022540
8
Octal
1202407434
10
Decimal
168431388
12
Duodecimal
484a7a50
16
Hexadecimal
a0a0f1c
20
Vigesimal
2ccdi98
36
Base36
2sa2ho
md5
60ff87c8bf8a1903cb75b6f4bd445d7d
sha1
3822f1c141b0474b66f752b2fd03a3605bb1aa8a
sha256
c61cc8982155cd6298dd12bfd69b3d78efba1141e710aef9c5513d9a888b555d
sha512
651d8f6cf833be6c2581b4e19577c44167b2dbf787c9850f47eb9e4055881124c47fb7dafabfeedfe39b2ca526c38fd35d697a0b64cf5012ab28d41a961f063d
ripemd-160
b728cbcaf744d2e1f4cde527c70ad77389935306
Diameter
336862776
Circumference
1058285622.3495
Area
8.9124258136382E+16
Volume
2.0015096669841E+25
Surface area
3.5649703254553E+17
Circumference
1058285622.3495
Perimeter
673725552
Area
28369132463606544
Diagonal
238197953.23892
Surface area
170214794781639264
Volume
4.7782523572011E+24
Space diagonal
291731721.60535
Perimeter
505294164
Area
1.2284194698405E+16
Altitude
145865860.80267
Surface area
1.2284194698405E+16
Volume
5.6312244066625E+23
Height
79399317.746308