155340981 is an odd 9-digits composite number following 155340980
and preceding 155340982 . In scientific notation, it is written as 1.55340981 × 10^8.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 102900096 positive integers (up to 155340981) that are relatively prime to 155340981.
155340981 has 4 divisors, whose sum is 155452332
The reverse of 155340981 is 189043551
Previous prime number is 1413
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred fifty-five million three hundred forty thousand nine hundred eighty-one
Scientific notation
1.55340981 × 10^8
Engineering notation
1.55340981 × 10^6
Prime Factorization
1413 × 109937
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
155340981
Product of the distinct prime numbers
The prime factorization of 155340981 is 1413 × 109937.
Since it has a total of 2 prime factors.
9 , 4 , 82 , 93 , 863 , 429 , 3785 , 418 , 6882 , 62121 , 508991 , 989814 , 2442171 , 9761494 , 57871544 , 81904863 , 260721972 , 501801897 , 2342763391 , 3676909861
n×2
310681962
n×3
466022943
n×4
621363924
n×5
776704905
n÷2
77670490.5
n÷3
51780327
n÷3
38835245.25
n÷5
31068196.2
n2
24130820378042361
n3
3.7485053098599E+24
n4
5.8229649211734E+32
n5
9.0454508318367E+40
2 √n
12463.586201411
3 √n
537.56214864574
4 √n
111.64043264611
5 √n
43.476763685348
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155340980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155340981 can be divided by 4 positive divisors.
The sum of these divisors (counting 155340981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010000100101000010110101
3
Ternary
101211022010202200
4
Quaternary
21100211002311
5
Quinary
304231402411
6
Senary
23225255113
8
Octal
1120450265
10
Decimal
155340981
12
Duodecimal
44034499
16
Hexadecimal
94250b5
20
Vigesimal
28ahc91
36
Base36
2khhv9
md5
d3b45621f11fc56abc273cdb045bbb5e
sha1
aeb2aa1c305ead658206a6c55e03be567a6defc6
sha256
ca49da59c97be85dd2c5c4f3afc3515eb4e2d6210c1a02a3ffc1a80e7b9c781e
sha512
19deda4d27163d144615dbc72b6e0fc572d435760cc1f776e79aa0db054cb176c19447b5f30de379f8fd4deb1d9b6113c3c2e2ba4a81bac1096da3ed9b79c739
ripemd-160
40518801feb34a9860c504dfc6fbdb496cc88220
Diameter
310681962
Circumference
976036169.42206
Area
7.5809208024753E+16
Volume
1.5701702324531E+25
Surface area
3.0323683209901E+17
Circumference
976036169.42206
Perimeter
621363924
Area
24130820378042361
Diagonal
219685322.12254
Surface area
144784922268254166
Volume
3.7485053098599E+24
Space diagonal
269058471.58959
Perimeter
466022943
Area
1.0448951730772E+16
Altitude
134529235.7948
Surface area
1.0448951730772E+16
Volume
4.4176558731929E+23
Height
73228440.707514