728098981 (number)

728098981 is an odd 9-digits composite number following 728098980 and preceding 728098982. In scientific notation, it is written as 7.28098981 × 10^8. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 689368320 positive integers (up to 728098981) that are relatively prime to 728098981.

Interesting facts

Basic properties

Name

Name seven hundred twenty-eight million ninety-eight thousand nine hundred eighty-one

Notation

Scientific notation 7.28098981 × 10^8
Engineering notation 7.28098981 × 10^6

Prime Factorization of 728098981

Prime Factorization 19 × 1831 × 20929

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 728098981
Product of the distinct prime numbers

The prime factorization of 728098981 is 19 × 1831 × 20929. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 4, 87, 15, 779, 156, 9758, 2704, 11548, 50716, 752997, 803208, 3315676, 4378382, 23646577, 96699852, 224506308, 349217962, 539752600, 5196134471

Basic calculations (n = 728098981)

Multiplication

n×y
n×2 1456197962
n×3 2184296943
n×4 2912395924
n×5 3640494905

Division

n÷y
n÷2 364049490.5
n÷3 242699660.33333
n÷3 182024745.25
n÷5 145619796.2

Exponentiation

ny
n2 530128126133238361
n3 3.8598574843705E+26
n4 2.8103583011754E+35
n5 2.0462190153307E+44

Nth Root

y√n
2√n 26983.309304086
3√n 899.62905742196
4√n 164.26597122985
5√n 59.215865954218

Divisors of 728098981

1, 19, 1831, 20929, 34789, 397651, 38320999, 728098981

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 -728098980
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 728098981 can be divided by 8 positive divisors. The sum of these divisors (counting 728098981) is 1, the average is 0.125.

Base conversion 728098981

Base System Value
2 Binary 101011011001011110100010100101
3 Ternary 1212202001021000221
4 Quaternary 223121132202211
5 Quinary 2442343131411
6 Senary 200125404341
8 Octal 5331364245
10 Decimal 728098981
12 Duodecimal 183a096b1
16 Hexadecimal 2b65e8a5
20 Vigesimal b7ac791
36 Base36 c1horp

Cryptographic Hash Functions

md5 98a4f2f4df2c803e1a23b4d9e9fd02bc
sha1 ad901e3ef83b60cb7e95f18b6ad8f17ee8afe385
sha256 79cecee93d4395a0d9545c2c7cbd0acde44fc32b7bcd58c87be9c29cf822dfa1
sha512 e08522bc236f87887f87a10f890b3e6368d19d467e33bb2b50a10b2e22bfb4285f00e76a787c9092603ea9ffdb3d21e8794594338a0a09ca52ce92205cfd2f98
ripemd-160 ee4a7f6cfa373092df15edc3e50246af74bf8254

728098981 as geometric shapes

Circle

Radius = n
Diameter 1456197962
Circumference 4574780819.5916
Area 1.6654466265215E+18

Sphere

Radius = n
Volume 1.6168133222403E+27
Surface area 6.661786506086E+18
Circumference 4574780819.5916

Square

Length = n
Perimeter 2912395924
Area 530128126133238361
Diagonal 1029687453.6802

Cube

Length = n
Surface area 3180768756799430166
Volume 3.8598574843705E+26
Space diagonal 1261104428.0311

Equilateral Triangle

Length = n
Perimeter 2184296943
Area 2.2955221224601E+17
Altitude 630552214.01556

Triangular Pyramid

Length = n
Surface area 2.2955221224601E+17
Volume 4.5488856693534E+25
Height 343229151.22674