168989904 is an even 9-digits composite number following 168989903
and preceding 168989905 . In scientific notation, it is written as 1.68989904 × 10^8.
The sum of its digits is 54. It has a total of 6 prime factors and 20 positive divisors.
There are 56329920 positive integers (up to 168989904) that are relatively prime to 168989904.
168989904 has 20 divisors, whose sum is 363798020
The reverse of 168989904 is 409989861
Previous prime number is 9
Is Prime? no
Number parity even
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred sixty-eight million nine hundred eighty-nine thousand nine hundred four
Scientific notation
1.68989904 × 10^8
Engineering notation
1.68989904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 9 × 1173541
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
21123738
Product of the distinct prime numbers
The prime factorization of 168989904 is 2 × 2 × 2 × 2 × 9 × 1173541.
Since it has a total of 6 prime factors.
2 , 5 , 44 , 100 , 866 , 240 , 2453 , 7001 , 90710 , 21080 , 146570 , 732414 , 1070122 , 4140546 , 84643175 , 74604260 , 552532283 , 466356633 , 9145334856 , 162744717
n×2
337979808
n×3
506969712
n×4
675959616
n×5
844949520
n÷2
84494952
n÷3
56329968
n÷3
42247476
n÷5
33797980.8
n2
28557587653929216
n3
4.8259439961091E+24
n4
8.1553581261185E+32
n5
1.3781731868184E+41
2 √n
12999.611686508
3 √n
552.86647158049
4 √n
114.01583962989
5 √n
44.215256813133
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 144 , 1173541 , 2347082 , 4694164 , 9388328 , 10561869 , 18776656 , 21123738 , 42247476 , 84494952 , 168989904
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168989903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168989904 can be divided by 20 positive divisors.
The sum of these divisors (counting 168989904) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000100101001010011010000
3
Ternary
102202222120120100
4
Quaternary
22010221103100
5
Quinary
321230134104
6
Senary
24434012400
8
Octal
1204512320
10
Decimal
168989904
12
Duodecimal
48717100
16
Hexadecimal
a1294d0
20
Vigesimal
2cg3ef4
36
Base36
2sm1g0
md5
04663f5e7351fd529939113f25d0b279
sha1
3b5eded93c0d7b2f4b06bac038d6a810464efee6
sha256
e57352f1899e28f65d265ec275acd5e969e12dfd120499bcb52c19db350fd207
sha512
c6a44095e7ee4f04e97ad9f2a4c4cd7b4fca2e984516b09ae6f46f899f69d3720d0877783751d5e20be648228e006b76d4f2204a296ccd979c0c64cca775028f
ripemd-160
cc5d1964c620792b0c10c8e6ff5d028a581e4a55
Diameter
337979808
Circumference
1061794881.8745
Area
8.9716307577831E+16
Volume
2.0214866939749E+25
Surface area
3.5886523031132E+17
Circumference
1061794881.8745
Perimeter
675959616
Area
28557587653929216
Diagonal
238987814.14093
Surface area
171345525923575296
Volume
4.8259439961091E+24
Space diagonal
292699099.69419
Perimeter
506969712
Area
1.2365798189552E+16
Altitude
146349549.84709
Surface area
1.2365798189552E+16
Volume
5.6874295421254E+23
Height
79662604.713642