7128798921 (number)

7128798921 is an odd 10-digits composite number following 7128798920 and preceding 7128798922. In scientific notation, it is written as 7.128798921 × 10^9. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 4470353280 positive integers (up to 7128798921) that are relatively prime to 7128798921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.128798921 × 10^9
Engineering notation 7.128798921 × 10^9

Prime Factorization of 7128798921

Prime Factorization 3 × 51 × 1831 × 25447

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7128798921
Product of the distinct prime numbers

The prime factorization of 7128798921 is 3 × 51 × 1831 × 25447. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 100, 31, 672, 987, 2674, 3544, 28976, 18621, 465313, 625933, 3641778, 1639592, 72781661, 17483269, 312616610, 890633381, 1628175419, 4458741400

Basic calculations (n = 7128798921)

Multiplication

n×y
n×2 14257597842
n×3 21386396763
n×4 28515195684
n×5 35643994605

Division

n÷y
n÷2 3564399460.5
n÷3 2376266307
n÷3 1782199730.25
n÷5 1425759784.2

Exponentiation

ny
n2 5.0819774056051E+19
n3 3.6228395045624E+29
n4 2.5826494351081E+39
n5 1.841118850632E+49

Nth Root

y√n
2√n 84432.21494785
3√n 1924.5924967293
4√n 290.57221984878
5√n 93.455157337498

Divisors of 7128798921

1, 3, 51, 153, 1831, 5493, 25447, 76341, 93381, 280143, 1297797, 3893391, 46593457, 139780371, 2376266307, 7128798921

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 -7128798920
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 7128798921 can be divided by 16 positive divisors. The sum of these divisors (counting 7128798921) is 1, the average is 0.0625.

Base conversion 7128798921

Base System Value
2 Binary 110101000111010001101011011001001
3 Ternary 200101211002111200200
4 Quaternary 12220322031123021
5 Quinary 104044433031141
6 Senary 3135214522413
8 Octal 65072153311
10 Decimal 7128798921
12 Duodecimal 146b506409
16 Hexadecimal 1a8e8d6c9
20 Vigesimal 5b7ejh61
36 Base36 39wawg9

Cryptographic Hash Functions

md5 ab0c60d97924b4e0788e7f3f8db19de9
sha1 00aac0c3587a020be2f74dd4c106a9c4034c1bca
sha256 42b8d7e7f7dcbdcdc74ada1c7faee54a321bd7ad3b940014f7b7fde7f40d7c67
sha512 4cb442efae06dc0abe3e4cc0fda022d77265956c06f77ca7b4f208ec1af48f03c1fdddb4466ab58a7e9d29ea085c209ca6ccf82ea99ef025457f4571fc3bfbd5
ripemd-160 6b83d66a57c89c5e3438d8aeddbf9b964ea7bc7c

7128798921 as geometric shapes

Circle

Radius = n
Diameter 14257597842
Circumference 44791564638.265
Area 1.5965502883158E+20

Sphere

Radius = n
Volume 1.5175314630224E+30
Surface area 6.3862011532633E+20
Circumference 44791564638.265

Square

Length = n
Perimeter 28515195684
Area 5.0819774056051E+19
Diagonal 10081644117.509

Cube

Length = n
Surface area 3.049186443363E+20
Volume 3.6228395045624E+29
Space diagonal 12347441928.114

Equilateral Triangle

Length = n
Perimeter 21386396763
Area 2.2005607673563E+19
Altitude 6173720964.0571

Triangular Pyramid

Length = n
Surface area 2.2005607673563E+19
Volume 4.2695573013776E+28
Height 3360548039.1696