168431387 is an odd 9-digits composite number following 168431386
and preceding 168431388 . In scientific notation, it is written as 1.68431387 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 164514336 positive integers (up to 168431387) that are relatively prime to 168431387.
168431387 has 4 divisors, whose sum is 172348440
The reverse of 168431387 is 783134861
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred sixty-eight million four hundred thirty-one thousand three hundred eighty-seven
Scientific notation
1.68431387 × 10^8
Engineering notation
1.68431387 × 10^6
Prime Factorization
43 × 3917009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
168431387
Product of the distinct prime numbers
The prime factorization of 168431387 is 43 × 3917009.
Since it has a total of 2 prime factors.
9 , 5 , 15 , 64 , 732 , 802 , 398 , 1074 , 30916 , 59245 , 931332 , 398530 , 433505 , 1937928 , 95711113 , 91412004 , 544389762 , 855841220 , 9489013342 , 6736343526
n×2
336862774
n×3
505294161
n×4
673725548
n×5
842156935
n÷2
84215693.5
n÷3
56143795.666667
n÷3
42107846.75
n÷5
33686277.4
n2
28369132126743769
n3
4.7782522720937E+24
n4
8.0480765762465E+32
n5
1.3555487004194E+41
2 √n
12978.111842637
3 √n
552.25671891963
4 √n
113.92151615317
5 √n
44.185991532828
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
-168431386
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 168431387 can be divided by 4 positive divisors.
The sum of these divisors (counting 168431387) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010100000111100011011
3
Ternary
102201221012102112
4
Quaternary
22002200330123
5
Quinary
321104301022
6
Senary
24414022535
8
Octal
1202407433
10
Decimal
168431387
12
Duodecimal
484a7a4b
16
Hexadecimal
a0a0f1b
20
Vigesimal
2ccdi97
36
Base36
2sa2hn
md5
a67bfa363e9d5f5cca830a02ae003c02
sha1
2c4c2ab233c2b4bab87ccee9512b0eebfee8cdd4
sha256
ddc563ba289338aca799ba9d18a41548ab6bd43cc13a819a7fcfd14d61218bb0
sha512
a166c0a996aa4283b34395b67b8f6af9e976ed098518aab9fc7e250aecf1c597d2318440ddfc26152c6867d49d321bfd2eea2240ac9e3cca79c5004a24602473
ripemd-160
9cbb5a8466f0539161e7b19b10f5e82ca2b2e8bc
Diameter
336862774
Circumference
1058285616.0663
Area
8.9124257078096E+16
Volume
2.0015096313344E+25
Surface area
3.5649702831239E+17
Circumference
1058285616.0663
Perimeter
673725548
Area
28369132126743769
Diagonal
238197951.82471
Surface area
170214792760462614
Volume
4.7782522720937E+24
Space diagonal
291731719.8733
Perimeter
505294161
Area
1.2284194552539E+16
Altitude
145865859.93665
Surface area
1.2284194552539E+16
Volume
5.6312243063625E+23
Height
79399317.274904