168993857 is an odd 9-digits composite number following 168993856
and preceding 168993858 . In scientific notation, it is written as 1.68993857 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 161646276 positive integers (up to 168993857) that are relatively prime to 168993857.
168993857 has 4 divisors, whose sum is 176341440
The reverse of 168993857 is 758399861
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
one hundred sixty-eight million nine hundred ninety-three thousand eight hundred fifty-seven
Scientific notation
1.68993857 × 10^8
Engineering notation
1.68993857 × 10^6
Prime Factorization
23 × 7347559
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
168993857
Product of the distinct prime numbers
The prime factorization of 168993857 is 23 × 7347559.
Since it has a total of 2 prime factors.
3 , 5 , 21 , 60 , 347 , 830 , 1129 , 9453 , 84173 , 15427 , 193089 , 71897 , 935339 , 9263604 , 48360931 , 17496987 , 847748560 , 127066921 , 6434822916 , 9009043505
n×2
337987714
n×3
506981571
n×4
675975428
n×5
844969285
n÷2
84496928.5
n÷3
56331285.666667
n÷3
42248464.25
n÷5
33798771.4
n2
28558923703736449
n3
4.8262826684631E+24
n4
8.1561212311584E+32
n5
1.378334385013E+41
2 √n
12999.763728622
3 √n
552.87078241814
4 √n
114.01650638667
5 √n
44.215463667236
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168993856
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168993857 can be divided by 4 positive divisors.
The sum of these divisors (counting 168993857) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100101010010001000001
3
Ternary
102202222202222202
4
Quaternary
22010222101001
5
Quinary
321230300412
6
Senary
24434042545
8
Octal
1204522101
10
Decimal
168993857
12
Duodecimal
48719455
16
Hexadecimal
a12a441
20
Vigesimal
2cg44ch
36
Base36
2sm4ht
md5
5c5ddb9cf1a9794654738265805809d6
sha1
929b2bc124b9d3cc04d2633c46395178f4809cd4
sha256
619eb9095c18455f508e8fef7df17b6ff5487ab8e58cbd9526b00505a400d1c7
sha512
f7e1352e2fbc738d2d12ed7f070a07e2978664df415184a587268edeaeb3264bf2765f043153d91fc286b3c26d58277b31c5da3f619ffbc39029d0e563ddcbde
ripemd-160
184f7acccf8d5eae4a738f20e5780b74fd23ac76
Diameter
337987714
Circumference
1061819719.306
Area
8.972050490209E+16
Volume
2.0216285567189E+25
Surface area
3.5888201960836E+17
Circumference
1061819719.306
Perimeter
675975428
Area
28558923703736449
Diagonal
238993404.52714
Surface area
171353542222418694
Volume
4.8262826684631E+24
Space diagonal
292705946.49103
Perimeter
506981571
Area
1.2366376716089E+16
Altitude
146352973.24551
Surface area
1.2366376716089E+16
Volume
5.6878286713223E+23
Height
79664468.175713