168993811 is an odd 9-digits composite number following 168993810
and preceding 168993812 . In scientific notation, it is written as 1.68993811 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 135466320 positive integers (up to 168993811) that are relatively prime to 168993811.
168993811 has 16 divisors, whose sum is 181398528
The reverse of 168993811 is 118399861
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred sixty-eight million nine hundred ninety-three thousand eight hundred eleven
Scientific notation
1.68993811 × 10^8
Engineering notation
1.68993811 × 10^6
Prime Factorization
161 × 23 × 47 × 971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
168993811
Product of the distinct prime numbers
The prime factorization of 168993811 is 161 × 23 × 47 × 971.
Since it has a total of 4 prime factors.
9 , 9 , 48 , 100 , 724 , 391 , 8193 , 5906 , 28033 , 98953 , 795450 , 454896 , 2785799 , 2240517 , 97388458 , 71509892 , 136003963 , 799720471 , 6187657124 , 2239436425
n×2
337987622
n×3
506981433
n×4
675975244
n×5
844969055
n÷2
84496905.5
n÷3
56331270.333333
n÷3
42248452.75
n÷5
33798762.2
n2
28558908156303721
n3
4.8262787273327E+24
n4
8.1561123508019E+32
n5
1.3783325091062E+41
2 √n
12999.761959359
3 √n
552.87073225447
4 √n
114.01649862787
5 √n
44.215461260153
1 , 23 , 47 , 161 , 971 , 1081 , 3703 , 7567 , 22333 , 45637 , 156331 , 174041 , 1049651 , 3595613 , 7347557 , 168993811
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
-168993810
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 168993811 can be divided by 16 positive divisors.
The sum of these divisors (counting 168993811) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100101010010000010011
3
Ternary
102202222202221001
4
Quaternary
22010222100103
5
Quinary
321230300221
6
Senary
24434042431
8
Octal
1204522023
10
Decimal
168993811
12
Duodecimal
48719417
16
Hexadecimal
a12a413
20
Vigesimal
2cg44ab
36
Base36
2sm4gj
md5
098921bc1439459a9496f0730465d858
sha1
17821cb0a3a155007c7224574e417cb0734d39f2
sha256
0d5bbc9487a2e4194d822206661c3aa3d8e3aceba1a02a70fd6a7da8836a464e
sha512
fe06a2a23c271033411031982fd1c4cddf9ecf8fe4c3c4f4b5005edd8fc69d169524f16a22b569897aa01fda5e2b57e6fd16145333c87116db9937da3f46c635
ripemd-160
f03d8dbe9dec79e7bb076128b93630353ce837d8
Diameter
337987622
Circumference
1061819430.2795
Area
8.9720456058389E+16
Volume
2.021626905862E+25
Surface area
3.5888182423356E+17
Circumference
1061819430.2795
Perimeter
675975244
Area
28558908156303721
Diagonal
238993339.47332
Surface area
171353448937822326
Volume
4.8262787273327E+24
Space diagonal
292705866.81669
Perimeter
506981433
Area
1.2366369983853E+16
Altitude
146352933.40835
Surface area
1.2366369983853E+16
Volume
5.6878240266556E+23
Height
79664446.491105