168991669 is an odd 9-digits composite number following 168991668
and preceding 168991670 . In scientific notation, it is written as 1.68991669 × 10^8.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 131681760 positive integers (up to 168991669) that are relatively prime to 168991669.
168991669 has 8 divisors, whose sum is 210691008
The reverse of 168991669 is 966199861
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred sixty-eight million nine hundred ninety-one thousand six hundred sixty-nine
Scientific notation
1.68991669 × 10^8
Engineering notation
1.68991669 × 10^6
Prime Factorization
11 × 7 × 2194697
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
168991669
Product of the distinct prime numbers
The prime factorization of 168991669 is 11 × 7 × 2194697.
Since it has a total of 3 prime factors.
5 , 8 , 39 , 91 , 171 , 642 , 9752 , 5854 , 78538 , 83198 , 746485 , 295847 , 7544025 , 8789507 , 2375008 , 74295299 , 216741436 , 562340960 , 6029016934 , 4565059086
n×2
337983338
n×3
506975007
n×4
675966676
n×5
844958345
n÷2
84495834.5
n÷3
56330556.333333
n÷3
42247917.25
n÷5
33798333.8
n2
28558184191405561
n3
4.826095210115E+24
n4
8.1556988431025E+32
n5
1.3782451593573E+41
2 √n
12999.679572974
3 √n
552.868396362
4 √n
114.01613733579
5 √n
44.21534917321
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
-168991668
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 168991669 can be divided by 8 positive divisors.
The sum of these divisors (counting 168991669) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100101001101110110101
3
Ternary
102202222122222201
4
Quaternary
22010221232311
5
Quinary
321230213134
6
Senary
24434024501
8
Octal
1204515665
10
Decimal
168991669
12
Duodecimal
48718131
16
Hexadecimal
a129bb5
20
Vigesimal
2cg3j39
36
Base36
2sm2t1
md5
9245f83bdfd637d3b92a3f2b143bade6
sha1
6cf64c3f0b27b7e320506848c16d0d564a885f69
sha256
f815ccc897ab69d9db0d12a3450ba2a74a0c5ae68c9caf99cf9d7a27f05752ea
sha512
bc57735c9d3a7db5085a39eb4cd54676b0f7f36d07f6c96452f8dd8ac5c220733722e76c193355a9628f9c6228f3d227686cd2061dd3985f9375b9510eb3f611
ripemd-160
df4ac7379c51872a2b3bf3e144658070496e3641
Diameter
337983338
Circumference
1061805971.6966
Area
8.9718181655584E+16
Volume
2.0215500343496E+25
Surface area
3.5887272662234E+17
Circumference
1061805971.6966
Perimeter
675966676
Area
28558184191405561
Diagonal
238990310.22786
Surface area
171349105148433366
Volume
4.826095210115E+24
Space diagonal
292702156.76386
Perimeter
506975007
Area
1.2366056497856E+16
Altitude
146351078.38193
Surface area
1.2366056497856E+16
Volume
5.6876077495404E+23
Height
79663436.742622