19902789 (number)

19902789 is an odd 8-digits composite number following 19902788 and preceding 19902790. In scientific notation, it is written as 1.9902789 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 13186152 positive integers (up to 19902789) that are relatively prime to 19902789.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9902789 × 10^7
Engineering notation 1.9902789 × 10^6

Prime Factorization of 19902789

Prime Factorization 3 × 3 × 163 × 13567

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6634263
Product of the distinct prime numbers

The prime factorization of 19902789 is 3 × 3 × 163 × 13567. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19902789)

Multiplication

n×y
n×2 39805578
n×3 59708367
n×4 79611156
n×5 99513945

Division

n÷y
n÷2 9951394.5
n÷3 6634263
n÷3 4975697.25
n÷5 3980557.8

Exponentiation

ny
n2 396121009978521
n3 7.8839128800694E+21
n4 1.569118545464E+29
n5 3.1229835326358E+36

Nth Root

y√n
2√n 4461.2541958512
3√n 271.00126177796
4√n 66.792620818854
5√n 28.825894164519

Divisors of 19902789

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19902788
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19902789 can be divided by 12 positive divisors. The sum of these divisors (counting 19902789) is 1, the average is 0.083333333333333.

Base conversion 19902789

Base System Value
2 Binary 1001011111011000101000101
3 Ternary 1101110011111100
4 Quaternary 1023323011011
5 Quinary 20043342124
6 Senary 1550330313
8 Octal 113730505
10 Decimal 19902789
12 Duodecimal 67b9999
16 Hexadecimal 12fb145
20 Vigesimal 647gj9
36 Base36 bul39

Cryptographic Hash Functions

md5 02bd751fa05a68572928ed3df2712578
sha1 c1ae38be89dcfefe94ccb467bbe3ab63df7bee63
sha256 19473ba67161bf36be897038d85ba8f08844bba25a896cdb39aa961d6e7c74c4
sha512 0c400b7fb1b622819007e74dc5c8ecd157e942e83ac53314861136751904f7be24eb4e494d8e34ae9494ca8684fe80437d79805751e71248c6f05cb50b28c096
ripemd-160 1a1dc38c39dd7ff6b3f35dd68ff77a4e464f4e4b

19902789 as geometric shapes

Circle

Radius = n
Diameter 39805578
Circumference 125052911.4167
Area 1.2444508548811E+15

Sphere

Radius = n
Volume 3.3024057047424E+22
Surface area 4.9778034195244E+15
Circumference 125052911.4167

Square

Length = n
Perimeter 79611156
Area 396121009978521
Diagonal 28146794.13285

Cube

Length = n
Surface area 2376726059871126
Volume 7.8839128800694E+21
Space diagonal 34472641.760323

Equilateral Triangle

Length = n
Perimeter 59708367
Area 1.7152542880707E+14
Altitude 17236320.880161

Triangular Pyramid

Length = n
Surface area 1.7152542880707E+14
Volume 9.2912804329684E+20
Height 9382264.71095