168397906 is an even 9-digits composite number following 168397905
and preceding 168397907 . In scientific notation, it is written as 1.68397906 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 81328000 positive integers (up to 168397906) that are relatively prime to 168397906.
168397906 has 16 divisors, whose sum is 261332568
The reverse of 168397906 is 609793861
Previous prime number is 41
Is Prime? no Number parity even Number length 9 Sum of Digits 49 Digital Root 4
Name
one hundred sixty-eight million three hundred ninety-seven thousand nine hundred six
Scientific notation
1.68397906 × 10^8
Engineering notation
1.68397906 × 10^6
Prime Factorization
2 × 101 × 41 × 20333
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
168397906 Product of the distinct prime numbers
The prime factorization of 168397906 is 2 × 101 × 41 × 20333.
Since it has a total of 4 prime factors.
9 , 1 , 55 , 7 , 90 , 140 , 1489 , 4017 , 54834 , 93285 , 599377 , 301682 , 62449 , 795827 , 67966687 , 82010289 , 347575134 , 525614115 , 2562049091 , 8760733758
n×2
336795812
n×3
505193718
n×4
673591624
n×5
841989530
n÷2
84198953
n÷3
56132635.333333
n÷3
42099476.5
n÷5
33679581.2
n2
28357854745184836
n3
4.7754033577413E+24
n4
8.04167925749E+32
n5
1.354201947685E+41
2 √n12976.821875945
3 √n552.2201237362
4 √n113.91585436604
5 √n44.184234723894
1 , 2 , 41 , 82 , 101 , 202 , 4141 , 8282 , 20333 , 40666 , 833653 , 1667306 , 2053633 , 4107266 , 84198953 , 168397906
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
-168397905 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 168397906 can be divided by 16 positive divisors.
The sum of these divisors (counting 168397906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010011000110001010010
3
Ternary
102201212111111111
4
Quaternary
22002120301102
5
Quinary
321102213111
6
Senary
24413203534
8
Octal
1202306122
10
Decimal
168397906
12
Duodecimal
484905aa
16
Hexadecimal
a098c52
20
Vigesimal
2cc9ef6
36
Base36
2s9cnm
md5
ff3096e002968fe920c915fbd7212924
sha1
6be3f124369c0d164d0106020455b5d9caacaa01
sha256
988da35c628921e37bb781d295373c6df20bd5f8c09ffabd94dbfcdb7ea7f105
sha512
5e92e90eb227fe675c60f2fec00d48cdcc2f9b7c3a4ee3bdda6a1e83ee7ddbeaa3dede4d4671b96156a1e75bb6fa6c4f7dfe4092f22eb363e2f1c9bb9f166a9e
ripemd-160
7c3c099e6d0effc277b04c356ff373343c986e77
Diameter
336795812
Circumference
1058075248.739
Area
8.9088828139039E+16
Volume
2.0003162808811E+25
Surface area
3.5635531255616E+17
Circumference
1058075248.739
Perimeter
673591624
Area
28357854745184836
Diagonal
238150602.54043
Surface area
170147128471109016
Volume
4.7754033577413E+24
Space diagonal
291673729.08021
Perimeter
505193718
Area
1.227931130308E+16
Altitude
145836864.5401
Surface area
1.227931130308E+16
Volume
5.6278668285998E+23
Height
79383534.180143