168990812 is an even 9-digits composite number following 168990811
and preceding 168990813 . In scientific notation, it is written as 1.68990812 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 79525056 positive integers (up to 168990812) that are relatively prime to 168990812.
168990812 has 12 divisors, whose sum is 313130160
The reverse of 168990812 is 218099861
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred sixty-eight million nine hundred ninety thousand eight hundred twelve
Scientific notation
1.68990812 × 10^8
Engineering notation
1.68990812 × 10^6
Prime Factorization
2 × 2 × 17 × 2485159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
84495406
Product of the distinct prime numbers
The prime factorization of 168990812 is 2 × 2 × 17 × 2485159.
Since it has a total of 4 prime factors.
7 , 9 , 84 , 38 , 177 , 555 , 200 , 5425 , 21773 , 6975 , 220508 , 955935 , 1722507 , 5565248 , 68080929 , 92899373 , 155764246 , 410232043 , 9576359889 , 8356276904
n×2
337981624
n×3
506972436
n×4
675963248
n×5
844954060
n÷2
84495406
n÷3
56330270.666667
n÷3
42247703
n÷5
33798162.4
n2
28557894540419344
n3
4.8260217873958E+24
n4
8.1555334058171E+32
n5
1.3782102125422E+41
2 √n
12999.646610581
3 √n
552.86746178138
4 √n
114.01599278426
5 √n
44.215304327649
1 , 2 , 4 , 17 , 34 , 68 , 2485159 , 4970318 , 9940636 , 42247703 , 84495406 , 168990812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168990811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168990812 can be divided by 12 positive divisors.
The sum of these divisors (counting 168990812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100101001100001011100
3
Ternary
102202222121210222
4
Quaternary
22010221201130
5
Quinary
321230201222
6
Senary
24434020512
8
Octal
1204514134
10
Decimal
168990812
12
Duodecimal
48717738
16
Hexadecimal
a12985c
20
Vigesimal
2cg3h0c
36
Base36
2sm258
md5
40d0bbe2f70020a23d79c3e54e9a8807
sha1
9c2cec41c70b6c806d7a3dfd157bb4843a40b25a
sha256
48c3cecc1149294433dd568b8dc69ef1acb0db23fe6af24ab2bca89c5cdd4398
sha512
0b893ef87a6992f7c375fa96fc990ed255454fd73485d7596f26f4bfade78f28b2e48f63d8ea2fd6696c2f14ed789c28292651f32927563a48806baa47283410
ripemd-160
b373d1964cd7bd1914c1144a19eece3dedec2af7
Diameter
337981624
Circumference
1061800587.0067
Area
8.9717271690173E+16
Volume
2.0215192791129E+25
Surface area
3.5886908676069E+17
Circumference
1061800587.0067
Perimeter
675963248
Area
28557894540419344
Diagonal
238989098.24684
Surface area
171347367242516064
Volume
4.8260217873958E+24
Space diagonal
292700672.39632
Perimeter
506972436
Area
1.23659310753E+16
Altitude
146350336.19816
Surface area
1.23659310753E+16
Volume
5.687521220036E+23
Height
79663032.748947