155121451 is an odd 9-digits prime number following 155121450
and preceding 155121452 . In scientific notation, it is written as 1.55121451 × 10^8.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 155121450 positive integers (up to 155121451) that are relatively prime to 155121451.
155121451 has 2 divisors, whose sum is 155121452
The reverse of 155121451 is 154121551
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 25 Digital Root 7
Name
one hundred fifty-five million one hundred twenty-one thousand four hundred fifty-one
Scientific notation
1.55121451 × 10^8
Engineering notation
1.55121451 × 10^6
Prime Factorization
155121451
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
155121451 Product of the distinct prime numbers
The prime factorization of 155121451 is 155121451.
Since it has a total of 1 prime factors.
1 , 10 , 19 , 23 , 775 , 578 , 2429 , 2191 , 69749 , 31612 , 431428 , 401332 , 4515750 , 9398780 , 84276551 , 55412796 , 451272131 , 526309277 , 1461251044 , 7803608816
n×2
310242902
n×3
465364353
n×4
620485804
n×5
775607255
n÷2
77560725.5
n÷3
51707150.333333
n÷3
38780362.75
n÷5
31024290.2
n2
24062664560345401
n3
3.7326354415271E+24
n4
5.790118257437E+32
n5
8.9817154555522E+40
2 √n12454.776232434
3 √n537.30879920115
4 √n111.6009687791
5 √n43.46446834153
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
155121452 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
77560726 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12454.776272579 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999871069 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155121451 can be divided by 2 positive divisors.
The sum of these divisors (counting 155121451) is 155121452, the average is 77560726.
Base
System
Value
2
Binary
1001001111101111011100101011
3
Ternary
101210212222121221
4
Quaternary
21033233130223
5
Quinary
304202341301
6
Senary
23220442511
8
Octal
1117573453
10
Decimal
155121451
12
Duodecimal
43b49437
16
Hexadecimal
93ef72b
20
Vigesimal
289a3cb
36
Base36
2kcsh7
md5
b2ec5c626c1b07bdb5f8f17ca6b6ee6b
sha1
c8107670bffdf7c11665f45b6fc3da90bbdcca47
sha256
80872060243342b401720b8b0a5e4c99bface498462e788c1f21f6ca109c04dd
sha512
dd95ed74c1493ec9c2fdb183c2ae864351751455dee4e3d93a86da8df250791409e0aac1fb690b889f06333770c2120e5c8cabd7b97b0b1532cafcb95ece39db
ripemd-160
fc3469f9cb6dece53cfc4b7eede07a61b9ceaeb1
Diameter
310242902
Circumference
974656821.75158
Area
7.5595090208577E+16
Volume
1.5635226775507E+25
Surface area
3.0238036083431E+17
Circumference
974656821.75158
Perimeter
620485804
Area
24062664560345401
Diagonal
219374859.81919
Surface area
144375987362072406
Volume
3.7326354415271E+24
Space diagonal
268678234.47581
Perimeter
465364353
Area
1.0419439396001E+16
Altitude
134339117.2379
Surface area
1.0419439396001E+16
Volume
4.3989530540017E+23
Height
73124953.273065