628938891 (number)

628938891 is an odd 9-digits composite number following 628938890 and preceding 628938892. In scientific notation, it is written as 6.28938891 × 10^8. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 355054752 positive integers (up to 628938891) that are relatively prime to 628938891.

Interesting facts

Basic properties

Name

Name six hundred twenty-eight million nine hundred thirty-eight thousand eight hundred ninety-one

Notation

Scientific notation 6.28938891 × 10^8
Engineering notation 6.28938891 × 10^6

Prime Factorization of 628938891

Prime Factorization 21 × 9 × 83 × 40093

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 628938891
Product of the distinct prime numbers

The prime factorization of 628938891 is 21 × 9 × 83 × 40093. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 28, 58, 762, 716, 9460, 4856, 66205, 71425, 823742, 915208, 7402172, 5384858, 8526980, 59511067, 466907269, 789302908, 1674915372, 1111339317

Basic calculations (n = 628938891)

Multiplication

n×y
n×2 1257877782
n×3 1886816673
n×4 2515755564
n×5 3144694455

Division

n÷y
n÷2 314469445.5
n÷3 209646297
n÷3 157234722.75
n÷5 125787778.2

Exponentiation

ny
n2 395564128612309881
n3 2.4878566436881E+26
n4 1.5647097984482E+35
n5 9.8410684537282E+43

Nth Root

y√n
2√n 25078.65409068
3√n 856.78032236348
4√n 158.36241375617
5√n 57.507129502473

Divisors of 628938891

1, 9, 21, 83, 189, 747, 1743, 15687, 40093, 360837, 841953, 3327719, 7577577, 29949471, 69882099, 628938891

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -628938890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 628938891 can be divided by 16 positive divisors. The sum of these divisors (counting 628938891) is 1, the average is 0.0625.

Base conversion 628938891

Base System Value
2 Binary 100101011111001101100010001011
3 Ternary 1121211110101222000
4 Quaternary 211133031202023
5 Quinary 2242002021031
6 Senary 142224202043
8 Octal 4537154213
10 Decimal 628938891
12 Duodecimal 156769323
16 Hexadecimal 257cd88b
20 Vigesimal 9gah74b
36 Base36 aegccr

Cryptographic Hash Functions

md5 617c2dba2f226e0566d7beebc663f300
sha1 ff7a9449f67a01f042b4bb6c4905d67edbd33b73
sha256 b0452b73a3c3c661b357169f31139b3d099ef019f2366f1f78bd3e0147037bf3
sha512 1bc2561dd72b635b0152807f6f870476ad5f597ab165432d9675129f73e2f8cf5c0990322b2cae4db931bcfc32d73795feedef332e4229fe94bc9fd3ea591ed6
ripemd-160 a0c4e35b0d45d6b6f8043f89fb7521bb283e3cad

628938891 as geometric shapes

Circle

Radius = n
Diameter 1257877782
Circumference 3951739599.045
Area 1.2427013604721E+18

Sphere

Radius = n
Volume 1.0421109539993E+27
Surface area 4.9708054418883E+18
Circumference 3951739599.045

Square

Length = n
Perimeter 2515755564
Area 395564128612309881
Diagonal 889453909.55609

Cube

Length = n
Surface area 2373384771673859286
Volume 2.4878566436881E+26
Space diagonal 1089354114.068

Equilateral Triangle

Length = n
Perimeter 1886816673
Area 1.7128429210206E+17
Altitude 544677057.03401

Triangular Pyramid

Length = n
Surface area 1.7128429210206E+17
Volume 2.9319671722864E+25
Height 296484636.5187