155287493 is an odd 9-digits prime number following 155287492
and preceding 155287494 . In scientific notation, it is written as 1.55287493 × 10^8.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 155287492 positive integers (up to 155287493) that are relatively prime to 155287493.
155287493 has 2 divisors, whose sum is 155287494
The reverse of 155287493 is 394782551
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 44 Digital Root 8
Name
one hundred fifty-five million two hundred eighty-seven thousand four hundred ninety-three
Scientific notation
1.55287493 × 10^8
Engineering notation
1.55287493 × 10^6
Prime Factorization
155287493
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
155287493 Product of the distinct prime numbers
The prime factorization of 155287493 is 155287493.
Since it has a total of 1 prime factors.
5 , 9 , 74 , 100 , 889 , 789 , 5943 , 5065 , 55423 , 5112 , 452044 , 473695 , 3364724 , 4941087 , 77450230 , 78454742 , 756429311 , 806544666 , 2675963443 , 5606815096
n×2
310574986
n×3
465862479
n×4
621149972
n×5
776437465
n÷2
77643746.5
n÷3
51762497.666667
n÷3
38821873.25
n÷5
31057498.6
n2
24114205482225049
n3
3.7446345150216E+24
n4
5.8149490603897E+32
n5
9.0298886151063E+40
2 √n12461.440245814
3 √n537.50044261727
4 √n111.63082121804
5 √n43.47376923343
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
155287494 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
77643747 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12461.440285938 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999871207 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155287493 can be divided by 2 positive divisors.
The sum of these divisors (counting 155287493) is 155287494, the average is 77643747.
Base
System
Value
2
Binary
1001010000010111111111000101
3
Ternary
101211012102101122
4
Quaternary
21100113333011
5
Quinary
304223144433
6
Senary
23224203325
8
Octal
1120277705
10
Decimal
155287493
12
Duodecimal
44009545
16
Hexadecimal
9417fc5
20
Vigesimal
28aaied
36
Base36
2kgclh
md5
76d026419b47ae473a01195c65a007a5
sha1
c110074676d3749da07402b9ec119fe4a261c91b
sha256
84b50401eb47c6d084ec8c7407f21576427f452932fa804c1abc2c6167690a5b
sha512
a28706a0f2a537034039265258a0dd2edd91cf095775f0a9d387c7ce55e2ce5aa18cbad8e8548f7d48d94214303b04799a70fb7101fc706a9d139d708032276a
ripemd-160
c1ea6eee7fd04d3fdda3aca828cfa5a18d2da5a7
Diameter
310574986
Circumference
975700094.40635
Area
7.5757010790113E+16
Volume
1.5685488377027E+25
Surface area
3.0302804316045E+17
Circumference
975700094.40635
Perimeter
621149972
Area
24114205482225049
Diagonal
219609678.66752
Surface area
144685232893350294
Volume
3.7446345150216E+24
Space diagonal
268965827.656
Perimeter
465862479
Area
1.0441757269842E+16
Altitude
134482913.828
Surface area
1.0441757269842E+16
Volume
4.4130940977283E+23
Height
73203226.222506