155250985 is an odd 9-digits composite number following 155250984
and preceding 155250986 . In scientific notation, it is written as 1.55250985 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 124200784 positive integers (up to 155250985) that are relatively prime to 155250985.
155250985 has 4 divisors, whose sum is 186301188
The reverse of 155250985 is 589052551
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred fifty-five million two hundred fifty thousand nine hundred eighty-five
Scientific notation
1.55250985 × 10^8
Engineering notation
1.55250985 × 10^6
Prime Factorization
5 × 31050197
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
155250985
Product of the distinct prime numbers
The prime factorization of 155250985 is 5 × 31050197.
Since it has a total of 2 prime factors.
6 , 8 , 97 , 67 , 340 , 314 , 9656 , 7989 , 33894 , 26734 , 632554 , 968363 , 6932798 , 4061606 , 11670046 , 64181731 , 1211204 , 643589336 , 2230640702 , 2860437388
n×2
310501970
n×3
465752955
n×4
621003940
n×5
776254925
n÷2
77625492.5
n÷3
51750328.333333
n÷3
38812746.25
n÷5
31050197
n2
24102868343470225
n3
3.7419940516491E+24
n4
5.8094826238266E+32
n5
9.0192789968946E+40
2 √n
12459.975321003
3 √n
537.45831730124
4 √n
111.62425955411
5 √n
43.471724909561
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
-155250984
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 155250985 can be divided by 4 positive divisors.
The sum of these divisors (counting 155250985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010000001111000100101001
3
Ternary
101211010120022111
4
Quaternary
21100033010221
5
Quinary
304221012420
6
Senary
23223322321
8
Octal
1120170451
10
Decimal
155250985
12
Duodecimal
43bb03a1
16
Hexadecimal
940f129
20
Vigesimal
28a6795
36
Base36
2kfkfd
md5
4213df1f015dbd72e7567e6c6a20d925
sha1
5af51d1ccbe5dee9b1cd20f5b2926000b76a28cb
sha256
c949d56e89bd76f4b243bd471d8659760fc969e35dd48fd05ed36288853ec63f
sha512
bcb91446131b265cb1f1cf6badff6dc1f936f82ffaad5418b9efd9f4105194ebf5e80b3c7ac3b2fc0cd18979637351659113c3109956fa179dacfb53ac0ea27e
ripemd-160
fdf5fdbf63c262bf6cc959926a969892e8bb92e3
Diameter
310501970
Circumference
975470707.87716
Area
7.5721394118288E+16
Volume
1.5674428029917E+25
Surface area
3.0288557647315E+17
Circumference
975470707.87716
Perimeter
621003940
Area
24102868343470225
Diagonal
219558048.55878
Surface area
144617210060821350
Volume
3.7419940516491E+24
Space diagonal
268902593.94511
Perimeter
465752955
Area
1.0436848144758E+16
Altitude
134451296.97256
Surface area
1.0436848144758E+16
Volume
4.4099822818013E+23
Height
73186016.186261