155215481 is an odd 9-digits composite number following 155215480
and preceding 155215482 . In scientific notation, it is written as 1.55215481 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 144892800 positive integers (up to 155215481) that are relatively prime to 155215481.
155215481 has 16 divisors, whose sum is 165969408
The reverse of 155215481 is 184512551
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred fifty-five million two hundred fifteen thousand four hundred eighty-one
Scientific notation
1.55215481 × 10^8
Engineering notation
1.55215481 × 10^6
Prime Factorization
31 × 37 × 131 × 1033
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
155215481
Product of the distinct prime numbers
The prime factorization of 155215481 is 31 × 37 × 131 × 1033.
Since it has a total of 4 prime factors.
5 , 2 , 67 , 44 , 593 , 490 , 2123 , 4874 , 7776 , 91781 , 492741 , 345217 , 7247619 , 22034 , 15527687 , 44225937 , 956694005 , 100376376 , 9837856921 , 1495978895
n×2
310430962
n×3
465646443
n×4
620861924
n×5
776077405
n÷2
77607740.5
n÷3
51738493.666667
n÷3
38803870.25
n÷5
31043096.2
n2
24091845542061361
n3
3.7394273939888E+24
n4
5.8041702162254E+32
n5
9.008970719173E+40
2 √n
12458.550517616
3 √n
537.4173441315
4 √n
111.61787723128
5 √n
43.469736437378
1 , 31 , 37 , 131 , 1033 , 1147 , 4061 , 4847 , 32023 , 38221 , 135323 , 150257 , 1184851 , 4195013 , 5006951 , 155215481
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
-155215480
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 155215481 can be divided by 16 positive divisors.
The sum of these divisors (counting 155215481) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010000000110011001111001
3
Ternary
101211001202121112
4
Quaternary
21100012121321
5
Quinary
304213343411
6
Senary
23222450105
8
Octal
1120063171
10
Decimal
155215481
12
Duodecimal
43b93935
16
Hexadecimal
9406679
20
Vigesimal
28a1ie1
36
Base36
2ket15
md5
fd6b1d7cfa238b75677a960370194f02
sha1
1a975f360c60500ef3eff885274f2dc4cd5ef175
sha256
bd510e62be2a08fa89e5209413e4dfdbb839ec9022bdc149b2219ba4ed8ddc97
sha512
2b4218e48bf4bf564beb52b62ff8bd17ab0b7f749d9185d32bfab700c813f84c8e4fba7d69e255cfe6f134918862b79076b2cc4dfdb29dfd2dd3550ec636f673
ripemd-160
f9952b3fd7a4585313b44a105eff68b4b2d23b5f
Diameter
310430962
Circumference
975247629.66601
Area
7.568676496636E+16
Volume
1.566367683945E+25
Surface area
3.0274705986544E+17
Circumference
975247629.66601
Perimeter
620861924
Area
24091845542061361
Diagonal
219507838.32046
Surface area
144551073252368166
Volume
3.7394273939888E+24
Space diagonal
268841099.21324
Perimeter
465646443
Area
1.0432075131738E+16
Altitude
134420549.60662
Surface area
1.0432075131738E+16
Volume
4.4069574467403E+23
Height
73169279.440154