181542225 is an odd 9-digits composite number following 181542224
and preceding 181542226 . In scientific notation, it is written as 1.81542225 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 93899520 positive integers (up to 181542225) that are relatively prime to 181542225.
181542225 has 16 divisors, whose sum is 252383040
The reverse of 181542225 is 522245181
Previous prime number is 5777
Is Prime? no Number parity odd Number length 9 Sum of Digits 30 Digital Root 3
Name
one hundred eighty-one million five hundred forty-two thousand two hundred twenty-five
Scientific notation
1.81542225 × 10^8
Engineering notation
1.81542225 × 10^6
Prime Factorization
3 × 25 × 5777 × 419
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
181542225 Product of the distinct prime numbers
The prime factorization of 181542225 is 3 × 25 × 5777 × 419.
Since it has a total of 4 prime factors.
9 , 1 , 66 , 48 , 601 , 788 , 6624 , 5646 , 44128 , 15040 , 977031 , 472237 , 7021225 , 6616437 , 41965196 , 21403301 , 488908350 , 243771382 , 3301406414 , 6432594221
n×2
363084450
n×3
544626675
n×4
726168900
n×5
907711125
n÷2
90771112.5
n÷3
60514075
n÷3
45385556.25
n÷5
36308445
n2
32957579457950625
n3
5.9831923054106E+24
n4
1.0862020437271E+33
n5
1.9719153581777E+41
2 √n13473.760610906
3 √n566.22957740085
4 √n116.07652911293
5 √n44.853416683975
1 , 3 , 25 , 75 , 419 , 1257 , 5777 , 10475 , 17331 , 31425 , 144425 , 433275 , 2420563 , 7261689 , 60514075 , 181542225
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
-181542224 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 181542225 can be divided by 16 positive divisors.
The sum of these divisors (counting 181542225) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010110100100001110101010001
3
Ternary
110122121022010010
4
Quaternary
22310201311101
5
Quinary
332433322400
6
Senary
30003025133
8
Octal
1264416521
10
Decimal
181542225
12
Duodecimal
5096b1a9
16
Hexadecimal
ad21d51
20
Vigesimal
2gecfb5
36
Base36
3032vl
md5
a8bac53db4b4ac5e3bba37aef408bcd4
sha1
0240666833c82ecf0dc0d2de8676c3489c5a00f8
sha256
385ef127451be5c4a90c9665269e734c5a1db1eeb3d30a26d961c643055d830b
sha512
89a6b61887f2ac8039b9369259e244f63c99a584834989ae0fa2fa5b2224a4cf2c8548ccdc809b53db600d2796c03811287f208bb06bb92971bfe5ee3918f73d
ripemd-160
f4c73d6a06926e02c0b85960168a6ca8c91c6f58
Diameter
363084450
Circumference
1140663440.7527
Area
1.035392895052E+17
Volume
2.5062337322257E+25
Surface area
4.141571580208E+17
Circumference
1140663440.7527
Perimeter
726168900
Area
32957579457950625
Diagonal
256739476.73839
Surface area
197745476747703750
Volume
5.9831923054106E+24
Space diagonal
314440357.4191
Perimeter
544626675
Area
1.4271050528915E+16
Altitude
157220178.70955
Surface area
1.4271050528915E+16
Volume
7.0512597538317E+23
Height
85579825.579463