168681609 is an odd 9-digits composite number following 168681608
and preceding 168681610 . In scientific notation, it is written as 1.68681609 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 107561520 positive integers (up to 168681609) that are relatively prime to 168681609.
168681609 has 8 divisors, whose sum is 175779968
The reverse of 168681609 is 906186861
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred sixty-eight million six hundred eighty-one thousand six hundred nine
Scientific notation
1.68681609 × 10^8
Engineering notation
1.68681609 × 10^6
Prime Factorization
207 × 27 × 30181
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
168681609
Product of the distinct prime numbers
The prime factorization of 168681609 is 207 × 27 × 30181.
Since it has a total of 3 prime factors.
6 , 10 , 34 , 53 , 148 , 873 , 6402 , 7071 , 39617 , 78780 , 969047 , 976560 , 3764339 , 4957227 , 93862913 , 98605924 , 410749768 , 219422026 , 3543790172 , 2962911803
n×2
337363218
n×3
506044827
n×4
674726436
n×5
843408045
n÷2
84340804.5
n÷3
56227203
n÷3
42170402.25
n÷5
33736321.8
n2
28453485214828881
n3
4.799579667695E+24
n4
8.0960082087049E+32
n5
1.3656476911215E+41
2 √n
12987.748419183
3 √n
552.53006149435
4 √n
113.96380310951
5 √n
44.199112297445
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168681608
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168681609 can be divided by 8 positive divisors.
The sum of these divisors (counting 168681609) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011011110000010001001
3
Ternary
102202101220200000
4
Quaternary
22003132002021
5
Quinary
321140302414
6
Senary
24423233213
8
Octal
1203360211
10
Decimal
168681609
12
Duodecimal
485a8809
16
Hexadecimal
a0de089
20
Vigesimal
2ce5409
36
Base36
2sffk9
md5
95c1c65eb65450d95d1c63d963e706ee
sha1
ae936be8c34e7e621eb778c90a4fe26ed1a5bf19
sha256
42169acf922c24b4712c6163dce8a15216793c55624cf9c4a9f51c7d77eedce8
sha512
ef2353f2849869da2d610b8f78d2cc5910e9fbbdc9714e020f082c09548a348245dc585c4c1782384428252d808089e3bd982cfaf663e82436b5a6957c9c6b7d
ripemd-160
7862550ffb988367c4374d7d6162bc3c2f9710c7
Diameter
337363218
Circumference
1059857807.2602
Area
8.9389260119932E+16
Volume
2.0104432299133E+25
Surface area
3.5755704047973E+17
Circumference
1059857807.2602
Perimeter
674726436
Area
28453485214828881
Diagonal
238551819.17072
Surface area
170720911288973286
Volume
4.799579667695E+24
Space diagonal
292165117.09047
Perimeter
506044827
Area
1.2320720511123E+16
Altitude
146082558.54523
Surface area
1.2320720511123E+16
Volume
5.6563588831204E+23
Height
79517273.056905