155250981 is an odd 9-digits composite number following 155250980
and preceding 155250982 . In scientific notation, it is written as 1.55250981 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 103299624 positive integers (up to 155250981) that are relatively prime to 155250981.
155250981 has 8 divisors, whose sum is 172836160
The reverse of 155250981 is 189052551
Previous prime number is 523
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred fifty-five million two hundred fifty thousand nine hundred eighty-one
Scientific notation
1.55250981 × 10^8
Engineering notation
1.55250981 × 10^6
Prime Factorization
9 × 523 × 32983
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
155250981
Product of the distinct prime numbers
The prime factorization of 155250981 is 9 × 523 × 32983.
Since it has a total of 3 prime factors.
4 , 8 , 90 , 95 , 260 , 152 , 807 , 9358 , 50565 , 63432 , 712551 , 622556 , 6122056 , 2306318 , 2438559 , 4246253 , 841097315 , 765293670 , 1038751561 , 8235914068
n×2
310501962
n×3
465752943
n×4
621003924
n×5
776254905
n÷2
77625490.5
n÷3
51750327
n÷3
38812745.25
n÷5
31050196.2
n2
24102867101462361
n3
3.7419937624147E+24
n4
5.8094820251076E+32
n5
9.0192778349982E+40
2 √n
12459.975160489
3 √n
537.45831268542
4 √n
111.62425883512
5 √n
43.471724685554
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155250980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155250981 can be divided by 8 positive divisors.
The sum of these divisors (counting 155250981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010000001111000100100101
3
Ternary
101211010120022100
4
Quaternary
21100033010211
5
Quinary
304221012411
6
Senary
23223322313
8
Octal
1120170445
10
Decimal
155250981
12
Duodecimal
43bb0399
16
Hexadecimal
940f125
20
Vigesimal
28a6791
36
Base36
2kfkf9
md5
7dd5034b1024b930d6318012b89481e2
sha1
162e034d499c7f523cff0e266081da93faf227f3
sha256
17df0a48412ce4572f48fcc7e029a9d11c0eb96f7484af07618160f81520b1c3
sha512
e766f9f2aabc361190c5774f2ad3ea9ebddc16359954c1b80839f61ff57bdff53c81ef63b6ce0a067c6e668fe26253f740871482efc0745427d4ddb2ccca4bb9
ripemd-160
97fd98ecc4636cd0fe4591ebe859a11f52239e21
Diameter
310501962
Circumference
975470682.74442
Area
7.5721390216405E+16
Volume
1.5674426818374E+25
Surface area
3.0288556086562E+17
Circumference
975470682.74442
Perimeter
621003924
Area
24102867101462361
Diagonal
219558042.90193
Surface area
144617202608774166
Volume
3.7419937624147E+24
Space diagonal
268902587.01691
Perimeter
465752943
Area
1.0436847606953E+16
Altitude
134451293.50846
Surface area
1.0436847606953E+16
Volume
4.4099819409353E+23
Height
73186014.300643