628389991 (number)

628389991 is an odd 9-digits composite number following 628389990 and preceding 628389992. In scientific notation, it is written as 6.28389991 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 627896632 positive integers (up to 628389991) that are relatively prime to 628389991.

Interesting facts

Basic properties

Name

Name six hundred twenty-eight million three hundred eighty-nine thousand nine hundred ninety-one

Notation

Scientific notation 6.28389991 × 10^8
Engineering notation 6.28389991 × 10^6

Prime Factorization of 628389991

Prime Factorization 1277 × 492083

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 628389991
Product of the distinct prime numbers

The prime factorization of 628389991 is 1277 × 492083. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 5, 31, 9, 38, 968, 8572, 8348, 20460, 6481, 615852, 784008, 786959, 6519215, 45187607, 55330884, 388720914, 452726472, 7415686987, 6784772863

Basic calculations (n = 628389991)

Multiplication

n×y
n×2 1256779982
n×3 1885169973
n×4 2513559964
n×5 3141949955

Division

n÷y
n÷2 314194995.5
n÷3 209463330.33333
n÷3 157097497.75
n÷5 125677998.2

Exponentiation

ny
n2 394873980788980081
n3 2.4813485723412E+26
n4 1.5592546070414E+35
n5 9.7981998848543E+43

Nth Root

y√n
2√n 25067.708132177
3√n 856.53100105702
4√n 158.32785014702
5√n 57.497088244394

Divisors of 628389991

1, 1277, 492083, 628389991

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 -628389990
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 628389991 can be divided by 4 positive divisors. The sum of these divisors (counting 628389991) is 1, the average is 0.25.

Base conversion 628389991

Base System Value
2 Binary 100101011101000111100001100111
3 Ternary 1121210102112000101
4 Quaternary 211131013201213
5 Quinary 2241331434431
6 Senary 142204324531
8 Octal 4535074147
10 Decimal 628389991
12 Duodecimal 156543747
16 Hexadecimal 25747867
20 Vigesimal 9g78ejb
36 Base36 ae4ktj

Cryptographic Hash Functions

md5 4abb94e97f746a604a18f5e9488664de
sha1 2df78052884809b31428d9c91f5eb486dbfe8bf3
sha256 55d09906ea22b1922ed46d09e366df84b1d1c870c0b02aaeeabf1aeaee230587
sha512 205610263f02b1ea9f59bc1649aaa2529950e7538f0b73f95f3e40439d1db5e198dd6438673c9caba95a34308c0094e83b7719b2c3403725cca79ba0600618b1
ripemd-160 71c781fd43370f57210284a9e2520614276a2994

628389991 as geometric shapes

Circle

Radius = n
Diameter 1256779982
Circumference 3948290758.6299
Area 1.2405331971404E+18

Sphere

Radius = n
Volume 1.0393848594484E+27
Surface area 4.9621327885617E+18
Circumference 3948290758.6299

Square

Length = n
Perimeter 2513559964
Area 394873980788980081
Diagonal 888677647.73171

Cube

Length = n
Surface area 2369243884733880486
Volume 2.4813485723412E+26
Space diagonal 1088403391.3797

Equilateral Triangle

Length = n
Perimeter 1885169973
Area 1.7098544932837E+17
Altitude 544201695.68987

Triangular Pyramid

Length = n
Surface area 1.7098544932837E+17
Volume 2.9242973366501E+25
Height 296225882.57724