155087381 is an odd 9-digits composite number following 155087380
and preceding 155087382 . In scientific notation, it is written as 1.55087381 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 152161152 positive integers (up to 155087381) that are relatively prime to 155087381.
155087381 has 4 divisors, whose sum is 158013612
The reverse of 155087381 is 183780551
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred fifty-five million eighty-seven thousand three hundred eighty-one
Scientific notation
1.55087381 × 10^8
Engineering notation
1.55087381 × 10^6
Prime Factorization
53 × 2926177
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
155087381
Product of the distinct prime numbers
The prime factorization of 155087381 is 53 × 2926177.
Since it has a total of 2 prime factors.
9 , 6 , 89 , 73 , 860 , 237 , 5497 , 8596 , 50511 , 74554 , 671681 , 64353 , 9187531 , 8323969 , 80795490 , 1438002 , 210067378 , 160369940 , 1638298894 , 2517795434
n×2
310174762
n×3
465262143
n×4
620349524
n×5
775436905
n÷2
77543690.5
n÷3
51695793.666667
n÷3
38771845.25
n÷5
31017476.2
n2
24052095745439161
n3
3.7301765367214E+24
n4
5.7850330974777E+32
n5
8.9718563208614E+40
2 √n
12453.408408946
3 √n
537.2694591635
4 √n
111.5948404226
5 √n
43.462558915669
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
-155087380
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 155087381 can be divided by 4 positive divisors.
The sum of these divisors (counting 155087381) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001001111100111001000010101
3
Ternary
101210211020220002
4
Quaternary
21033213020111
5
Quinary
304200244011
6
Senary
23220021045
8
Octal
1117471025
10
Decimal
155087381
12
Duodecimal
43b31785
16
Hexadecimal
93e7215
20
Vigesimal
2895i91
36
Base36
2kc26t
md5
a5636f6499277ab2bc28346090b065b6
sha1
265fca4925e1b5d280e02fd047e91b03fb17ccb0
sha256
43847fea6dccefcfd6015e7445b5205a0108febccea1aa18992343a54fe00f6f
sha512
6f51840225265ab905dbf4aa45a542ca06f15eb60ed81b76eaa6fafa9830094a8ef11f344beb0626a8e6af0035cd42a09abd983dc1670d9c84974507b06c0928
ripemd-160
b330e0fb6a9291185d825331752d211f3cc503a3
Diameter
310174762
Circumference
974442753.62816
Area
7.556188729731E+16
Volume
1.5624926939143E+25
Surface area
3.0224754918924E+17
Circumference
974442753.62816
Perimeter
620349524
Area
24052095745439161
Diagonal
219326677.56312
Surface area
144312574472634966
Volume
3.7301765367214E+24
Space diagonal
268619223.50479
Perimeter
465262143
Area
1.0414862964903E+16
Altitude
134309611.7524
Surface area
1.0414862964903E+16
Volume
4.3960552068978E+23
Height
73108892.521041