168990418 is an even 9-digits composite number following 168990417
and preceding 168990419 . In scientific notation, it is written as 1.68990418 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 84495208 positive integers (up to 168990418) that are relatively prime to 168990418.
168990418 has 4 divisors, whose sum is 253485630
The reverse of 168990418 is 814099861
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred sixty-eight million nine hundred ninety thousand four hundred eighteen
Scientific notation
1.68990418 × 10^8
Engineering notation
1.68990418 × 10^6
Prime Factorization
2 × 84495209
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
168990418
Product of the distinct prime numbers
The prime factorization of 168990418 is 2 × 84495209.
Since it has a total of 2 prime factors.
3 , 9 , 27 , 4 , 3 , 3 , 1206 , 7108 , 54793 , 91207 , 435885 , 347792 , 8601597 , 4555123 , 69200852 , 11101559 , 722627753 , 24334065 , 1613503473 , 6615478760
n×2
337980836
n×3
506971254
n×4
675961672
n×5
844952090
n÷2
84495209
n÷3
56330139.333333
n÷3
42247604.5
n÷5
33798083.6
n2
28557761375814724
n3
4.8259880320432E+24
n4
8.1554573479798E+32
n5
1.3781941462163E+41
2 √n
12999.631456314
3 √n
552.86703211315
4 √n
114.01592632748
5 √n
44.215283710142
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
-168990417
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 168990418 can be divided by 4 positive divisors.
The sum of these divisors (counting 168990418) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100101001011011010010
3
Ternary
102202222121021101
4
Quaternary
22010221123102
5
Quinary
321230143133
6
Senary
24434015014
8
Octal
1204513322
10
Decimal
168990418
12
Duodecimal
4871746a
16
Hexadecimal
a1296d2
20
Vigesimal
2cg3g0i
36
Base36
2sm1ua
md5
d0f1d9809fbbddf141a6abb62f0f1c3d
sha1
231eda2a06189636401e3c53053dd09683660c8d
sha256
ff819f949246c56e435069a05072be1a61f573bd9fe1f06f8ae90b78827beaa9
sha512
d30943d3b48c9f2ddf422bad23f41beeebeada8b9ebe94041782641bfc3da84a4bb888d2c47f4def5fd5134057d95e2511f1492cf2108d4472bc273488f8e576
ripemd-160
1e71c1bad86a31f33f1b10f7a11edb0c1918b713
Diameter
337980836
Circumference
1061798111.4317
Area
8.971685334123E+16
Volume
2.0215051397039E+25
Surface area
3.5886741336492E+17
Circumference
1061798111.4317
Perimeter
675961672
Area
28557761375814724
Diagonal
238988541.0467
Surface area
171346568254888344
Volume
4.8259880320432E+24
Space diagonal
292699989.9683
Perimeter
506971254
Area
1.2365873413335E+16
Altitude
146349994.98415
Surface area
1.2365873413335E+16
Volume
5.6874814389714E+23
Height
79662847.015566