155291249 is an odd 9-digits prime number following 155291248
and preceding 155291250 . In scientific notation, it is written as 1.55291249 × 10^8.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 155291248 positive integers (up to 155291249) that are relatively prime to 155291249.
155291249 has 2 divisors, whose sum is 155291250
The reverse of 155291249 is 942192551
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 38 Digital Root 2
Name
one hundred fifty-five million two hundred ninety-one thousand two hundred forty-nine
Scientific notation
1.55291249 × 10^8
Engineering notation
1.55291249 × 10^6
Prime Factorization
155291249
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
155291249 Product of the distinct prime numbers
The prime factorization of 155291249 is 155291249.
Since it has a total of 1 prime factors.
5 , 9 , 97 , 58 , 502 , 130 , 2017 , 5677 , 11628 , 12053 , 396129 , 593845 , 4829612 , 2048634 , 9342643 , 73606959 , 919478172 , 200511042 , 6596388475 , 3188492940
n×2
310582498
n×3
465873747
n×4
621164996
n×5
776456245
n÷2
77645624.5
n÷3
51763749.666667
n÷3
38822812.25
n÷5
31058249.8
n2
24115372015980001
n3
3.7449062404612E+24
n4
5.8155116746911E+32
n5
9.0309807153686E+40
2 √n12461.590949794
3 √n537.50477616091
4 √n111.63149622662
5 √n43.473979534845
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
155291250 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
77645625 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12461.590989918 Returns the nth root of the product of n divisors
H Harmonic Mean
1.999999987121 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155291249 can be divided by 2 positive divisors.
The sum of these divisors (counting 155291249) is 155291250, the average is 77645625.
Base
System
Value
2
Binary
1001010000011000111001110001
3
Ternary
101211012121112202
4
Quaternary
21100120321301
5
Quinary
304223304444
6
Senary
23224232545
8
Octal
1120307161
10
Decimal
155291249
12
Duodecimal
4400b755
16
Hexadecimal
9418e71
20
Vigesimal
28ab829
36
Base36
2kgfht
md5
cd817c77af6785227baf7f894070c346
sha1
18e69f99eb96343761c87352deef4e11b26ca306
sha256
3d552624964dc4198e958f46190edb4db4ada4603bdfb272f83bbedc0d2e52dc
sha512
8a77485948096210fb42425fe88d9195ababb9bc422e512409e8ba403f936d18abaa8680940025057303611a8cdfebc30f46cf689f789a11a8febf134671a79d
ripemd-160
758d17d55f4fdccf6429987bd51de5916addfdfd
Diameter
310582498
Circumference
975723694.05037
Area
7.5760675563988E+16
Volume
1.5686626577887E+25
Surface area
3.0304270225595E+17
Circumference
975723694.05037
Perimeter
621164996
Area
24115372015980001
Diagonal
219614990.45366
Surface area
144692232095880006
Volume
3.7449062404612E+24
Space diagonal
268972333.23883
Perimeter
465873747
Area
1.0442262393776E+16
Altitude
134486166.61941
Surface area
1.0442262393776E+16
Volume
4.4134143292299E+23
Height
73204996.817886