168996985 is an odd 9-digits composite number following 168996984
and preceding 168996986 . In scientific notation, it is written as 1.68996985 × 10^8.
The sum of its digits is 61. It has a total of 4 prime factors and 16 positive divisors.
There are 128240640 positive integers (up to 168996985) that are relatively prime to 168996985.
168996985 has 16 divisors, whose sum is 204881040
The reverse of 168996985 is 589699861
Previous prime number is 529
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
one hundred sixty-eight million nine hundred ninety-six thousand nine hundred eighty-five
Scientific notation
1.68996985 × 10^8
Engineering notation
1.68996985 × 10^6
Prime Factorization
5 × 353 × 529 × 181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
168996985
Product of the distinct prime numbers
The prime factorization of 168996985 is 5 × 353 × 529 × 181.
Since it has a total of 4 prime factors.
10 , 9 , 74 , 88 , 954 , 548 , 354 , 2836 , 79801 , 68380 , 34813 , 84866 , 9776109 , 3097405 , 52693048 , 23821881 , 253566359 , 917756607 , 9017801459 , 2279273085
n×2
337993970
n×3
506990955
n×4
675987940
n×5
844984925
n÷2
84498492.5
n÷3
56332328.333333
n÷3
42249246.25
n÷5
33799397
n2
28559980939090225
n3
4.8265506703637E+24
n4
8.156725112412E+32
n5
1.3784619514714E+41
2 √n
12999.884037944
3 √n
552.87419352663
4 √n
114.01703398153
5 √n
44.215627347678
1 , 5 , 181 , 353 , 529 , 905 , 1765 , 2645 , 63893 , 95749 , 186737 , 319465 , 478745 , 933685 , 33799397 , 168996985
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
-168996984
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 168996985 can be divided by 16 positive divisors.
The sum of these divisors (counting 168996985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100101011000001111001
3
Ternary
102202222221021121
4
Quaternary
22010223001321
5
Quinary
321230400420
6
Senary
24434105241
8
Octal
1204530171
10
Decimal
168996985
12
Duodecimal
4871b221
16
Hexadecimal
a12b079
20
Vigesimal
2cg4c95
36
Base36
2sm6wp
md5
b3b8a17207245e9da51a5871d6069a08
sha1
ed8cb5905ca7fff5f1a4ff4f76b06259678ed080
sha256
c72a97ae9245086444c506f2de146d1315320ad5a65b940d76b79fb16ceaa5b1
sha512
377b1f646b11df5dbdaa6dbb280f199945e2226371dd9e1099cf6857f6f66ea9e4affc63f78c6d42a929c1eca63729a1d6095a9005197232c3801304fdee568e
ripemd-160
44cb6672a5823931f1321067b09ee493d1abb016
Diameter
337993970
Circumference
1061839373.1096
Area
8.972382630491E+16
Volume
2.0217408170925E+25
Surface area
3.5889530521964E+17
Circumference
1061839373.1096
Perimeter
675987940
Area
28559980939090225
Diagonal
238997828.18716
Surface area
171359885634541350
Volume
4.8265506703637E+24
Space diagonal
292711364.34596
Perimeter
506990955
Area
1.2366834512426E+16
Altitude
146355682.17298
Surface area
1.2366834512426E+16
Volume
5.6881445145911E+23
Height
79665942.729054