168993845 is an odd 9-digits composite number following 168993844
and preceding 168993846 . In scientific notation, it is written as 1.68993845 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 133290640 positive integers (up to 168993845) that are relatively prime to 168993845.
168993845 has 8 divisors, whose sum is 205649280
The reverse of 168993845 is 548399861
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred sixty-eight million nine hundred ninety-three thousand eight hundred forty-five
Scientific notation
1.68993845 × 10^8
Engineering notation
1.68993845 × 10^6
Prime Factorization
5 × 71 × 476039
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
168993845
Product of the distinct prime numbers
The prime factorization of 168993845 is 5 × 71 × 476039.
Since it has a total of 3 prime factors.
4 , 8 , 54 , 17 , 700 , 48 , 9558 , 1186 , 37132 , 38350 , 44331 , 905316 , 8169386 , 7762501 , 65224544 , 88158758 , 474123534 , 134565802 , 3978259221 , 3487226403
n×2
337987690
n×3
506981535
n×4
675975380
n×5
844969225
n÷2
84496922.5
n÷3
56331281.666667
n÷3
42248461.25
n÷5
33798769
n2
28558919647884025
n3
4.826281640342E+24
n4
8.156118914543E+32
n5
1.3783338956458E+41
2 √n
12999.763267075
3 √n
552.87076933197
4 √n
114.01650436264
5 √n
44.215463039301
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
-168993844
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 168993845 can be divided by 8 positive divisors.
The sum of these divisors (counting 168993845) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100101010010000110101
3
Ternary
102202222202222022
4
Quaternary
22010222100311
5
Quinary
321230300340
6
Senary
24434042525
8
Octal
1204522065
10
Decimal
168993845
12
Duodecimal
48719445
16
Hexadecimal
a12a435
20
Vigesimal
2cg44c5
36
Base36
2sm4hh
md5
87fcf230f3595e3897631c3c7de00479
sha1
15cb338dc140a59e96d59d6f079f3a7509c1bae3
sha256
b4fda8b7ae7aac06b60bbb410173b501741f50032ce563277d02ef705dddf5dd
sha512
7cfa2eb02d8e79e8d56064fafee33ba75f903e48a1d105cd9c555201d21583a981fa54416c56f8bfacc799d5926a4fcc4f18ec0dfd3907d8131493860d85517e
ripemd-160
a80fe89283508ae9f87233997f074dfb017fd356
Diameter
337987690
Circumference
1061819643.9078
Area
8.9720492160254E+16
Volume
2.0216281260605E+25
Surface area
3.5888196864101E+17
Circumference
1061819643.9078
Perimeter
675975380
Area
28558919647884025
Diagonal
238993387.55658
Surface area
171353517887304150
Volume
4.826281640342E+24
Space diagonal
292705925.70642
Perimeter
506981535
Area
1.2366374959853E+16
Altitude
146352962.85321
Surface area
1.2366374959853E+16
Volume
5.6878274596699E+23
Height
79664462.518859