181428298 is an even 9-digits composite number following 181428297
and preceding 181428299 . In scientific notation, it is written as 1.81428298 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 90714148 positive integers (up to 181428298) that are relatively prime to 181428298.
181428298 has 4 divisors, whose sum is 272142450
The reverse of 181428298 is 892824181
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred eighty-one million four hundred twenty-eight thousand two hundred ninety-eight
Scientific notation
1.81428298 × 10^8
Engineering notation
1.81428298 × 10^6
Prime Factorization
2 × 90714149
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
181428298
Product of the distinct prime numbers
The prime factorization of 181428298 is 2 × 90714149.
Since it has a total of 2 prime factors.
6 , 3 , 66 , 85 , 337 , 243 , 1626 , 5532 , 2104 , 48384 , 306648 , 949059 , 4666025 , 1872426 , 14176718 , 66580696 , 242464625 , 140420893 , 1365361409 , 6625607260
n×2
362856596
n×3
544284894
n×4
725713192
n×5
907141490
n÷2
90714149
n÷3
60476099.333333
n÷3
45357074.5
n÷5
36285659.6
n2
32916227315176804
n3
5.9719350983736E+24
n4
1.0834780206644E+33
n5
1.9657357320955E+41
2 √n
13469.532211625
3 √n
566.1111066411
4 √n
116.05831384104
5 √n
44.847785709249
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
-181428297
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 181428298 can be divided by 4 positive divisors.
The sum of these divisors (counting 181428298) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010110100000110000001001010
3
Ternary
110122101111211121
4
Quaternary
22310012001022
5
Quinary
332421201143
6
Senary
30000345454
8
Octal
1264060112
10
Decimal
181428298
12
Duodecimal
5091528a
16
Hexadecimal
ad0604a
20
Vigesimal
2gdiaei
36
Base36
300myy
md5
d74a49a8166026d9d976b13778651587
sha1
1fdae5b04bc3d45a494ac3ad17c5ddeb797a94bb
sha256
7b514add2c43a9cafdf85acda96700727cc26ca1d85b4c559ee15b8f78c630d1
sha512
ddc77bf6277d3951a2cf2965b4605a398169bba6498b3c45cb4e40dea3fe5f90c13111f009bd53bad3eb3cd2b29730b288afff756630e1cb1dc8d002d91e7723
ripemd-160
0fb7fc8473a4bece6dffe33e128806161c3336f0
Diameter
362856596
Circumference
1139947616.3002
Area
1.0340937791725E+17
Volume
2.5015183243688E+25
Surface area
4.13637511669E+17
Circumference
1139947616.3002
Perimeter
725713192
Area
32916227315176804
Diagonal
256578359.62987
Surface area
197497363891060824
Volume
5.9719350983736E+24
Space diagonal
314243030.06675
Perimeter
544284894
Area
1.4253144525843E+16
Altitude
157121515.03337
Surface area
1.4253144525843E+16
Volume
7.0379930081099E+23
Height
85526119.876622