185157421 is an odd 9-digits composite number following 185157420
and preceding 185157422 . In scientific notation, it is written as 1.85157421 × 10^8.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 170652160 positive integers (up to 185157421) that are relatively prime to 185157421.
185157421 has 16 divisors, whose sum is 200154240
The reverse of 185157421 is 124751581
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred eighty-five million one hundred fifty-seven thousand four hundred twenty-one
Scientific notation
1.85157421 × 10^8
Engineering notation
1.85157421 × 10^6
Prime Factorization
17 × 71 × 179 × 857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
185157421
Product of the distinct prime numbers
The prime factorization of 185157421 is 17 × 71 × 179 × 857.
Since it has a total of 4 prime factors.
3 , 4 , 11 , 36 , 945 , 966 , 8472 , 957 , 26993 , 9290 , 692052 , 512370 , 2823442 , 8075618 , 52839621 , 27607157 , 386558267 , 553962337 , 6455683175 , 5114919674
n×2
370314842
n×3
555472263
n×4
740629684
n×5
925787105
n÷2
92578710.5
n÷3
61719140.333333
n÷3
46289355.25
n÷5
37031484.2
n2
34283270551371241
n3
6.3478019587371E+24
n4
1.1753426396985E+33
n5
2.1762341195791E+41
2 √n
13607.256189254
3 √n
569.96349514855
4 √n
116.65014440306
5 √n
45.030650904066
1 , 17 , 71 , 179 , 857 , 1207 , 3043 , 12709 , 14569 , 60847 , 153403 , 216053 , 1034399 , 2607851 , 10891613 , 185157421
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
-185157420
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 185157421 can be divided by 16 positive divisors.
The sum of these divisors (counting 185157421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011000010010100011100101101
3
Ternary
110220101222020021
4
Quaternary
23002110130231
5
Quinary
334400014141
6
Senary
30212322141
8
Octal
1302243455
10
Decimal
185157421
12
Duodecimal
52013351
16
Hexadecimal
b09472d
20
Vigesimal
2hh4db1
36
Base36
328kdp
md5
04dde9cf37b00a38beb9663582757807
sha1
0ecd42b21f89979ccf10a92ede4a4db013e8f598
sha256
04dc50c581c60ff361566dd88a997c995d6628980c135fd739909c62cafa9a7b
sha512
9f1ac49bf9423607c644854f2db4d7215ff2bbd9a386c14e50dd947eb386affacee2da8c2e90a616e9aa13ce9e0d068b87fc0fdf731905af7cb668e4f9f6f91b
ripemd-160
5d32b007a4a219b6d98980363e582da57cef37f7
Diameter
370314842
Circumference
1163378387.1425
Area
1.0770407090522E+17
Volume
2.6589610666682E+25
Surface area
4.3081628362088E+17
Circumference
1163378387.1425
Perimeter
740629684
Area
34283270551371241
Diagonal
261852135.95222
Surface area
205699623308227446
Volume
6.3478019587371E+24
Space diagonal
320702060.57042
Perimeter
555472263
Area
1.4845091611151E+16
Altitude
160351030.28521
Surface area
1.4845091611151E+16
Volume
7.4809563510871E+23
Height
87284045.317408