728021257 (number)

728021257 is an odd 9-digits composite number following 728021256 and preceding 728021258. In scientific notation, it is written as 7.28021257 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 722783556 positive integers (up to 728021257) that are relatively prime to 728021257.

Interesting facts

Basic properties

Name

Name seven hundred twenty-eight million twenty-one thousand two hundred fifty-seven

Notation

Scientific notation 7.28021257 × 10^8
Engineering notation 7.28021257 × 10^6

Prime Factorization of 728021257

Prime Factorization 139 × 5237563

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 728021257
Product of the distinct prime numbers

The prime factorization of 728021257 is 139 × 5237563. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 54, 75, 371, 979, 4738, 6717, 97076, 28016, 9774, 615792, 7541439, 3423659, 68695786, 55704695, 735148196, 511509163, 586520257, 2914992628

Basic calculations (n = 728021257)

Multiplication

n×y
n×2 1456042514
n×3 2184063771
n×4 2912085028
n×5 3640106285

Division

n÷y
n÷2 364010628.5
n÷3 242673752.33333
n÷3 182005314.25
n÷5 145604251.4

Exponentiation

ny
n2 530014950643860049
n3 3.8586215059654E+26
n4 2.8091584790601E+35
n5 2.0451270870376E+44

Nth Root

y√n
2√n 26981.869042007
3√n 899.5970447154
4√n 164.26158723818
5√n 59.214601650704

Divisors of 728021257

1, 139, 5237563, 728021257

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 -728021256
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 728021257 can be divided by 4 positive divisors. The sum of these divisors (counting 728021257) is 1, the average is 0.25.

Base conversion 728021257

Base System Value
2 Binary 101011011001001011100100001001
3 Ternary 1212201220022102021
4 Quaternary 223121023210021
5 Quinary 2442333140012
6 Senary 200124004441
8 Octal 5331134411
10 Decimal 728021257
12 Duodecimal 183990721
16 Hexadecimal 2b64b909
20 Vigesimal b7a2d2h
36 Base36 c1g0sp

Cryptographic Hash Functions

md5 50510f2329e8447bb32da55e211ad506
sha1 7799fe87be26ba7be24396f4e1cf6e9089ce0b16
sha256 33851941cea7947e47bf19eed93799726ecbb2bfc969dc8e1d35fed7ac7a983d
sha512 e54c9d0dfe0405efb2e4bff52ad9ba38f12b10cd136c1f89a2c5d9dc851aa8067abeabad26b6323afbad1f1086a62416785dd90c32268df5def704cd84460ca9
ripemd-160 9d8b371d03deac3fa284a4492b5e621a55af5737

728021257 as geometric shapes

Circle

Radius = n
Diameter 1456042514
Circumference 4574292465.2968
Area 1.6650910752355E+18

Sphere

Radius = n
Volume 1.6162955968166E+27
Surface area 6.660364300942E+18
Circumference 4574292465.2968

Square

Length = n
Perimeter 2912085028
Area 530014950643860049
Diagonal 1029577535.3453

Cube

Length = n
Surface area 3180089703863160294
Volume 3.8586215059654E+26
Space diagonal 1260969806.1142

Equilateral Triangle

Length = n
Perimeter 2184063771
Area 2.2950320582157E+17
Altitude 630484903.05708

Triangular Pyramid

Length = n
Surface area 2.2950320582157E+17
Volume 4.5474290548339E+25
Height 343192511.78177