155054987 is an odd 9-digits composite number following 155054986
and preceding 155054988 . In scientific notation, it is written as 1.55054987 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 155019096 positive integers (up to 155054987) that are relatively prime to 155054987.
155054987 has 4 divisors, whose sum is 155090880
The reverse of 155054987 is 789450551
Previous prime number is 5023
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred fifty-five million fifty-four thousand nine hundred eighty-seven
Scientific notation
1.55054987 × 10^8
Engineering notation
1.55054987 × 10^6
Prime Factorization
5023 × 30869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
155054987
Product of the distinct prime numbers
The prime factorization of 155054987 is 5023 × 30869.
Since it has a total of 2 prime factors.
2 , 10 , 42 , 5 , 173 , 943 , 9818 , 3383 , 53340 , 20824 , 481414 , 912625 , 2410835 , 2303077 , 67060734 , 96229458 , 735422855 , 632161935 , 5335435384 , 8664389593
n×2
310109974
n×3
465164961
n×4
620219948
n×5
775274935
n÷2
77527493.5
n÷3
51684995.666667
n÷3
38763746.75
n÷5
31010997.4
n2
24042048993570169
n3
3.7278395941514E+24
n4
5.7802011980923E+32
n5
8.9624902162758E+40
2 √n
12452.107733231
3 √n
537.23204903022
4 √n
111.58901260084
5 √n
43.460743108642
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
-155054986
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 155054987 can be divided by 4 positive divisors.
The sum of these divisors (counting 155054987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001001111011111001110001011
3
Ternary
101210202121110022
4
Quaternary
21033133032023
5
Quinary
304143224422
6
Senary
23215211055
8
Octal
1117371613
10
Decimal
155054987
12
Duodecimal
43b16a8b
16
Hexadecimal
93df38b
20
Vigesimal
2891h97
36
Base36
2kbd6z
md5
76c4c568842b537711477f3dcb943ec0
sha1
ae64c79bb6e2e1fdf0852ef32f95bdd9d0b014b2
sha256
08a53c4864e75a758699ec29dec6adafccc5259d7a3029a231fff501e3adfeb4
sha512
2d0d455a7d417cf566a1b777f9345bcda29c209513255fc4663ae4f0a179d53d74e632c3b2d98ad52a047220b981bbea1a9542532afd3f7cf44e8a3a07efaed5
ripemd-160
c7405099350991a61b4607a06c1509c22226b31d
Diameter
310109974
Circumference
974239216.12332
Area
7.5530324495446E+16
Volume
1.5615137976996E+25
Surface area
3.0212129798178E+17
Circumference
974239216.12332
Perimeter
620219948
Area
24042048993570169
Diagonal
219280865.52898
Surface area
144252293961421014
Volume
3.7278395941514E+24
Space diagonal
268563115.45093
Perimeter
465164961
Area
1.0410512593731E+16
Altitude
134281557.72547
Surface area
1.0410512593731E+16
Volume
4.3933010936669E+23
Height
73093621.842995