168993645 is an odd 9-digits composite number following 168993644
and preceding 168993646 . In scientific notation, it is written as 1.68993645 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 88180224 positive integers (up to 168993645) that are relatively prime to 168993645.
168993645 has 8 divisors, whose sum is 170901120
The reverse of 168993645 is 546399861
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred sixty-eight million nine hundred ninety-three thousand six hundred forty-five
Scientific notation
1.68993645 × 10^8
Engineering notation
1.68993645 × 10^6
Prime Factorization
1335 × 103 × 1229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
168993645
Product of the distinct prime numbers
The prime factorization of 168993645 is 1335 × 103 × 1229.
Since it has a total of 3 prime factors.
5 , 3 , 29 , 1 , 337 , 389 , 6771 , 2685 , 55865 , 59516 , 822609 , 353277 , 4280751 , 91130 , 92516658 , 72236282 , 697694516 , 878362485 , 8053812968 , 3581729290
n×2
337987290
n×3
506980935
n×4
675974580
n×5
844968225
n÷2
84496822.5
n÷3
56331215
n÷3
42248411.25
n÷5
33798729
n2
28558852050386025
n3
4.8262645050105E+24
n4
8.1560803043584E+32
n5
1.3783257395462E+41
2 √n
12999.755574625
3 √n
552.87055122896
4 √n
114.0164706287
5 √n
44.215452573717
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168993644
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168993645 can be divided by 8 positive divisors.
The sum of these divisors (counting 168993645) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100101010001101101101
3
Ternary
102202222202200220
4
Quaternary
22010222031231
5
Quinary
321230244040
6
Senary
24434041553
8
Octal
1204521555
10
Decimal
168993645
12
Duodecimal
487192b9
16
Hexadecimal
a12a36d
20
Vigesimal
2cg4425
36
Base36
2sm4bx
md5
36efa162de2f191aa15f3576b6002eca
sha1
56e9c5d87deae1b013b34ae3cc082547de8944ec
sha256
2181d019c8a1869a07a6934bb1bd77a4c4cec9c26d4d1868014667ec8e6d4e9a
sha512
4a21a8bcee7a81a704419735b7a8482a8880c8592f45e10a4b0bee0096319737c55fdd83e35855654eb44fba8424774c9c1ce68537dd7740dacd83984c2dc5d0
ripemd-160
298738adcb0776d40803a627fa885799346d29e2
Diameter
337987290
Circumference
1061818387.2707
Area
8.9720279796451E+16
Volume
2.0216209484296E+25
Surface area
3.588811191858E+17
Circumference
1061818387.2707
Perimeter
675974580
Area
28558852050386025
Diagonal
238993104.71386
Surface area
171353112302316150
Volume
4.8262645050105E+24
Space diagonal
292705579.29626
Perimeter
506980935
Area
1.2366345689278E+16
Altitude
146352789.64813
Surface area
1.2366345689278E+16
Volume
5.6878072654881E+23
Height
79664368.237955