19902729 (number)

19902729 is an odd 8-digits composite number following 19902728 and preceding 19902730. In scientific notation, it is written as 1.9902729 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 9979200 positive integers (up to 19902729) that are relatively prime to 19902729.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred two thousand seven hundred twenty-nine

Notation

Scientific notation 1.9902729 × 10^7
Engineering notation 1.9902729 × 10^6

Prime Factorization of 19902729

Prime Factorization 21 × 11 × 29 × 2971

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19902729
Product of the distinct prime numbers

The prime factorization of 19902729 is 21 × 11 × 29 × 2971. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 23, 60, 144, 758, 9127, 3865, 31490, 47358, 750962, 170021, 2600840, 3284025, 75528688, 47127779, 702800290, 889388161, 5272157794, 9464178164

Basic calculations (n = 19902729)

Multiplication

n×y
n×2 39805458
n×3 59708187
n×4 79610916
n×5 99513645

Division

n÷y
n÷2 9951364.5
n÷3 6634243
n÷3 4975682.25
n÷5 3980545.8

Exponentiation

ny
n2 396118621647441
n3 7.8838415785026E+21
n4 1.5690996241587E+29
n5 3.1229364593632E+36

Nth Root

y√n
2√n 4461.2474712798
3√n 271.00098945278
4√n 66.792570479656
5√n 28.825876784485

Divisors of 19902729

1, 11, 21, 29, 231, 319, 609, 2971, 6699, 32681, 62391, 86159, 686301, 947749, 1809339, 19902729

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 -19902728
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 19902729 can be divided by 16 positive divisors. The sum of these divisors (counting 19902729) is 1, the average is 0.0625.

Base conversion 19902729

Base System Value
2 Binary 1001011111011000100001001
3 Ternary 1101110011102010
4 Quaternary 1023323010021
5 Quinary 20043341404
6 Senary 1550330133
8 Octal 113730411
10 Decimal 19902729
12 Duodecimal 67b9949
16 Hexadecimal 12fb109
20 Vigesimal 647gg9
36 Base36 bul1l

Cryptographic Hash Functions

md5 221285792610ce0aaeda86f0ba7b8d3a
sha1 4764ff8e303d3430f122585320245f2ec6ce6353
sha256 9a3ec82e825f3e2f88ef586fd3dd67365ff49d3358347c527d7147aab9808282
sha512 45b5d47bf0369d89e4e37b77f1b72fb37b803c8ae9d9e921d7082b15787048b9256c33fbcfe7ff124d9a38202fa69bbabf1779d41b80ce7346bd3ef3ccb33f8f
ripemd-160 0006507f103805092b163ee1eccacd49e92651c0

19902729 as geometric shapes

Circle

Radius = n
Diameter 39805458
Circumference 125052534.42558
Area 1.2444433517177E+15

Sphere

Radius = n
Volume 3.3023758380119E+22
Surface area 4.9777734068709E+15
Circumference 125052534.42558

Square

Length = n
Perimeter 79610916
Area 396118621647441
Diagonal 28146709.280036

Cube

Length = n
Surface area 2376711729884646
Volume 7.8838415785026E+21
Space diagonal 34472537.837275

Equilateral Triangle

Length = n
Perimeter 59708187
Area 1.7152439462938E+14
Altitude 17236268.918637

Triangular Pyramid

Length = n
Surface area 1.7152439462938E+14
Volume 9.291196403266E+20
Height 9382236.4266788