628721838 (number)

628721838 is an even 9-digits composite number following 628721837 and preceding 628721839. In scientific notation, it is written as 6.28721838 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 20 positive divisors. There are 209573892 positive integers (up to 628721838) that are relatively prime to 628721838.

Interesting facts

Basic properties

Name

Name six hundred twenty-eight million seven hundred twenty-one thousand eight hundred thirty-eight

Notation

Scientific notation 6.28721838 × 10^8
Engineering notation 6.28721838 × 10^6

Prime Factorization of 628721838

Prime Factorization 2 × 3 × 3 × 9 × 3880999

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 209573946
Product of the distinct prime numbers

The prime factorization of 628721838 is 2 × 3 × 3 × 9 × 3880999. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 68, 68, 150, 837, 5148, 3393, 67006, 113, 524515, 319140, 7159656, 7648515, 43930928, 64705669, 910924620, 230032478, 7606317107, 2512201443

Basic calculations (n = 628721838)

Multiplication

n×y
n×2 1257443676
n×3 1886165514
n×4 2514887352
n×5 3143609190

Division

n÷y
n÷2 314360919
n÷3 209573946
n÷3 157180459.5
n÷5 125744367.6

Exponentiation

ny
n2 395291149578098244
n3 2.4852817810787E+26
n4 1.5625509293477E+35
n5 9.8240989226812E+43

Nth Root

y√n
2√n 25074.326272105
3√n 856.68174991653
4√n 158.34874888077
5√n 57.503159699177

Divisors of 628721838

1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 3880999, 7761998, 11642997, 23285994, 34928991, 69857982, 104786973, 209573946, 314360919, 628721838

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -628721837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 628721838 can be divided by 20 positive divisors. The sum of these divisors (counting 628721838) is 1, the average is 0.05.

Base conversion 628721838

Base System Value
2 Binary 100101011110011000100010101110
3 Ternary 1121211001101020000
4 Quaternary 211132120202232
5 Quinary 2241423044323
6 Senary 142215405130
8 Octal 4536304256
10 Decimal 628721838
12 Duodecimal 1566837a6
16 Hexadecimal 257988ae
20 Vigesimal 9g9a4bi
36 Base36 aebovi

Cryptographic Hash Functions

md5 59ef49470c8d0812e162333f8284d41e
sha1 68a0705a1a91a416ef15373df22a16d8b8f0e37e
sha256 39906213b4a206afb952a6831182482944ad7f730266b5d60bf766f43d98cebf
sha512 6b9f7b0ea6528328ceaf1ee1a159ee2f27622bdeb0dfc33d8d3dd140b4f7a83e4c0d230e0df13352a8bb63cf56a6f5d21010eb8b676b5bb5d9db2420e71ac4bb
ripemd-160 88b00633bcc17883b069b4f89d7d6584e051d912

628721838 as geometric shapes

Circle

Radius = n
Diameter 1257443676
Circumference 3950375814.8245
Area 1.2418437715436E+18

Sphere

Radius = n
Volume 1.0410323980717E+27
Surface area 4.9673750861745E+18
Circumference 3950375814.8245

Square

Length = n
Perimeter 2514887352
Area 395291149578098244
Diagonal 889146950.25974

Cube

Length = n
Surface area 2371746897468589464
Volume 2.4852817810787E+26
Space diagonal 1088978167.2441

Equilateral Triangle

Length = n
Perimeter 1886165514
Area 1.7116608871289E+17
Altitude 544489083.62204

Triangular Pyramid

Length = n
Surface area 1.7116608871289E+17
Volume 2.9289326676003E+25
Height 296382316.75325