168993855 is an odd 9-digits composite number following 168993854
and preceding 168993856 . In scientific notation, it is written as 1.68993855 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 84827904 positive integers (up to 168993855) that are relatively prime to 168993855.
168993855 has 16 divisors, whose sum is 238580640
The reverse of 168993855 is 558399861
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred sixty-eight million nine hundred ninety-three thousand eight hundred fifty-five
Scientific notation
1.68993855 × 10^8
Engineering notation
1.68993855 × 10^6
Prime Factorization
9 × 5 × 17 × 220907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
168993855
Product of the distinct prime numbers
The prime factorization of 168993855 is 9 × 5 × 17 × 220907.
Since it has a total of 4 prime factors.
5 , 7 , 30 , 82 , 285 , 371 , 6916 , 1636 , 66626 , 69378 , 210587 , 603456 , 3013125 , 3997456 , 74491946 , 36137398 , 838375204 , 778582335 , 3301640409 , 4832687362
n×2
337987710
n×3
506981565
n×4
675975420
n×5
844969275
n÷2
84496927.5
n÷3
56331285
n÷3
42248463.75
n÷5
33798771
n2
28558923027761025
n3
4.8262824971096E+24
n4
8.1561208450558E+32
n5
1.3783343034518E+41
2 √n
12999.763651698
3 √n
552.87078023711
4 √n
114.01650604933
5 √n
44.21546356258
1 , 5 , 9 , 17 , 45 , 85 , 153 , 765 , 220907 , 1104535 , 1988163 , 3755419 , 9940815 , 18777095 , 33798771 , 168993855
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
-168993854
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 168993855 can be divided by 16 positive divisors.
The sum of these divisors (counting 168993855) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100101010010000111111
3
Ternary
102202222202222200
4
Quaternary
22010222100333
5
Quinary
321230300410
6
Senary
24434042543
8
Octal
1204522077
10
Decimal
168993855
12
Duodecimal
48719453
16
Hexadecimal
a12a43f
20
Vigesimal
2cg44cf
36
Base36
2sm4hr
md5
fcdd111f834c53e0b161377bad229375
sha1
f00b4aebb873ef58e4a6ae3fafea533dcd67bab8
sha256
64e8719091efeaeed1e89c700c649fbab6a8e1d86a94a2365846093ef3a47130
sha512
940ec7eb5895016e1a92d495f37f7ccf6688e55a2ed58f9573f94c5c7350e2e02bdc8913eb0d10a97ac5e3ad1fc048411033a2a6eeed6e817ca7bf6c2f6e73d2
ripemd-160
6f137e124d9660ddfebb72d038216fe9386b884b
Diameter
337987710
Circumference
1061819706.7396
Area
8.972050277845E+16
Volume
2.0216284849425E+25
Surface area
3.588820111138E+17
Circumference
1061819706.7396
Perimeter
675975420
Area
28558923027761025
Diagonal
238993401.69871
Surface area
171353538166566150
Volume
4.8262824971096E+24
Space diagonal
292705943.02693
Perimeter
506981565
Area
1.2366376423383E+16
Altitude
146352971.51346
Surface area
1.2366376423383E+16
Volume
5.6878284693802E+23
Height
79664467.232904