28998729 (number)

28998729 is an odd 8-digits composite number following 28998728 and preceding 28998730. In scientific notation, it is written as 2.8998729 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 19012320 positive integers (up to 28998729) that are relatively prime to 28998729.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8998729 × 10^7
Engineering notation 2.8998729 × 10^6

Prime Factorization of 28998729

Prime Factorization 3 × 27 × 61 × 5869

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28998729
Product of the distinct prime numbers

The prime factorization of 28998729 is 3 × 27 × 61 × 5869. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 51, 95, 354, 944, 6560, 8035, 86724, 11632, 75010, 897136, 3074887, 3094840, 52634331, 68490269, 864641379, 947351475, 1187286525, 1259832851

Basic calculations (n = 28998729)

Multiplication

n×y
n×2 57997458
n×3 86996187
n×4 115994916
n×5 144993645

Division

n÷y
n÷2 14499364.5
n÷3 9666243
n÷3 7249682.25
n÷5 5799745.8

Exponentiation

ny
n2 840926283615441
n3 2.4385793407541E+22
n4 7.0715701447528E+29
n5 2.0506654623218E+37

Nth Root

y√n
2√n 5385.046796454
3√n 307.22719409533
4√n 73.382878087835
5√n 31.079626618976

Divisors of 28998729

1, 3, 27, 61, 81, 183, 1647, 4941, 5869, 17607, 158463, 358009, 475389, 1074027, 9666243, 28998729

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 -28998728
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 28998729 can be divided by 16 positive divisors. The sum of these divisors (counting 28998729) is 1, the average is 0.0625.

Base conversion 28998729

Base System Value
2 Binary 1101110100111110001001001
3 Ternary 2000120021210000
4 Quaternary 1232213301021
5 Quinary 24410424404
6 Senary 2513313213
8 Octal 156476111
10 Decimal 28998729
12 Duodecimal 9865809
16 Hexadecimal 1ba7c49
20 Vigesimal 914gg9
36 Base36 h9jk9

Cryptographic Hash Functions

md5 4e736130f18678bc0dbc96872cce6dbd
sha1 314385a619209245d79f334f6bce9d513d511ac1
sha256 309da6d1194d2b156814869715a52ea2d44869353f840751dde415228d4a4442
sha512 057b83d8031361c30a4f6a94d8154e99e03d74975727005471d361aeabc1b0ca26283a4f5f18dc7854eaaf9052709c417ebf67d5b4383365bf5b0835aca993b8
ripemd-160 5a419f1c8f4c57a3d53ec43d403a92ca43adcbb1

28998729 as geometric shapes

Circle

Radius = n
Diameter 57997458
Circumference 182204387.97968
Area 2.6418478348168E+15

Sphere

Radius = n
Volume 1.0214697256145E+23
Surface area 1.0567391339267E+16
Circumference 182204387.97968

Square

Length = n
Perimeter 115994916
Area 840926283615441
Diagonal 41010395.843382

Cube

Length = n
Surface area 5045557701692646
Volume 2.4385793407541E+22
Space diagonal 50227271.982921

Equilateral Triangle

Length = n
Perimeter 86996187
Area 3.641317621605E+14
Altitude 25113635.991461

Triangular Pyramid

Length = n
Surface area 3.641317621605E+14
Volume 2.8738933138478E+21
Height 13670131.947794