168681431 is an odd 9-digits prime number following 168681430
and preceding 168681432 . In scientific notation, it is written as 1.68681431 × 10^8.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 168681430 positive integers (up to 168681431) that are relatively prime to 168681431.
168681431 has 2 divisors, whose sum is 168681432
The reverse of 168681431 is 134186861
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 38 Digital Root 2
Name
one hundred sixty-eight million six hundred eighty-one thousand four hundred thirty-one
Scientific notation
1.68681431 × 10^8
Engineering notation
1.68681431 × 10^6
Prime Factorization
168681431
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
168681431 Product of the distinct prime numbers
The prime factorization of 168681431 is 168681431.
Since it has a total of 1 prime factors.
2 , 6 , 28 , 94 , 772 , 118 , 5659 , 3454 , 34997 , 37311 , 382606 , 51294 , 4875252 , 9971336 , 93525585 , 76882344 , 706394546 , 797472232 , 9368574125 , 330780915
n×2
337362862
n×3
506044293
n×4
674725724
n×5
843407155
n÷2
84340715.5
n÷3
56227143.666667
n÷3
42170357.75
n÷5
33736286.2
n2
28453425164207761
n3
4.79956447355E+24
n4
8.0959740357517E+32
n5
1.3656404856894E+41
2 √n12987.74156657
3 √n552.52986714321
4 √n113.96377304464
5 √n44.199102969285
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
168681432 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
84340716 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12987.741605067 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999881433 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168681431 can be divided by 2 positive divisors.
The sum of these divisors (counting 168681431) is 168681432, the average is 84340716.
Base
System
Value
2
Binary
1010000011011101111111010111
3
Ternary
102202101220102102
4
Quaternary
22003131333113
5
Quinary
321140301211
6
Senary
24423232315
8
Octal
1203357727
10
Decimal
168681431
12
Duodecimal
485a869b
16
Hexadecimal
a0ddfd7
20
Vigesimal
2ce53bb
36
Base36
2sfffb
md5
8b5ed2b33fe8c18e329f737fcbeb7a5c
sha1
816f3273727f5789adc0374c6ea8587795d809fe
sha256
0589cbe9b4f67574b52610f35d5a5ddf4ca5370fa8630f87dfb255b93fdf4533
sha512
6b3a96103a80af3f0b9d1a922897772d7f4520d4148246239593bcee8c20900c228c4d2b81781c66d342b7c2362d387946473d991057eabab1a9c7b5a9ba4c94
ripemd-160
596dd017d6625d8d1ac2c35fd05f2fc8f83aaf0b
Diameter
337362862
Circumference
1059856688.8532
Area
8.9389071465342E+16
Volume
2.0104368654047E+25
Surface area
3.5755628586137E+17
Circumference
1059856688.8532
Perimeter
674725724
Area
28453425164207761
Diagonal
238551567.4407
Surface area
170720550985246566
Volume
4.79956447355E+24
Space diagonal
292164808.78542
Perimeter
506044293
Area
1.2320694508442E+16
Altitude
146082404.39271
Surface area
1.2320694508442E+16
Volume
5.6563409766487E+23
Height
79517189.1469