19902890 (number)

19902890 is an even 8-digits composite number following 19902889 and preceding 19902891. In scientific notation, it is written as 1.9902890 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 6776640 positive integers (up to 19902890) that are relatively prime to 19902890.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred two thousand eight hundred ninety

Notation

Scientific notation 1.9902890 × 10^7
Engineering notation 1.9902890 × 10^6

Prime Factorization of 19902890

Prime Factorization 2 × 35 × 157 × 1811

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19902890
Product of the distinct prime numbers

The prime factorization of 19902890 is 2 × 35 × 157 × 1811. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 57, 63, 528, 477, 3143, 1849, 47002, 90631, 483382, 573703, 1369000, 9604580, 66163250, 6314400, 835957993, 826285496, 8739365341, 3044661810

Basic calculations (n = 19902890)

Multiplication

n×y
n×2 39805780
n×3 59708670
n×4 79611560
n×5 99514450

Division

n÷y
n÷2 9951445
n÷3 6634296.6666667
n÷3 4975722.5
n÷5 3980578

Exponentiation

ny
n2 396125030352100
n3 7.8840329053445E+21
n4 1.5691503967145E+29
n5 3.1230627739265E+36

Nth Root

y√n
2√n 4461.2655155236
3√n 271.00172019078
4√n 66.792705556248
5√n 28.825923420815

Divisors of 19902890

1, 2, 35, 70, 157, 314, 1811, 3622, 5495, 10990, 63385, 126770, 284327, 568654, 9951445, 19902890

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 -19902889
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 19902890 can be divided by 16 positive divisors. The sum of these divisors (counting 19902890) is 1, the average is 0.0625.

Base conversion 19902890

Base System Value
2 Binary 1001011111011000110101010
3 Ternary 1101110011122002
4 Quaternary 1023323012222
5 Quinary 20043343030
6 Senary 1550331002
8 Octal 113730652
10 Decimal 19902890
12 Duodecimal 67b9a62
16 Hexadecimal 12fb1aa
20 Vigesimal 647h4a
36 Base36 bul62

Cryptographic Hash Functions

md5 cdaac97faa94c3fd4c05fb1ec80b440a
sha1 f375352cbd31a01433cf1e26dbdc441c7b303045
sha256 ebe0f40539cbfbd059f6d05c59506bc686782ee93705d4b001428deffefbf993
sha512 823b3e628428f1fb51449d1b7acb02d23182234475bc5ef10ea6b73e266cfdba014f4fca2410315d843dc9f313c95aa76437d3a7af8678b07ec817aeec529141
ripemd-160 d5777f05f39983313128697219b61e8f7fcc014a

19902890 as geometric shapes

Circle

Radius = n
Diameter 39805780
Circumference 125053546.01841
Area 1.2444634852572E+15

Sphere

Radius = n
Volume 3.3024559808121E+22
Surface area 4.9778539410288E+15
Circumference 125053546.01841

Square

Length = n
Perimeter 79611560
Area 396125030352100
Diagonal 28146936.96842

Cube

Length = n
Surface area 2376750182112600
Volume 7.8840329053445E+21
Space diagonal 34472816.697455

Equilateral Triangle

Length = n
Perimeter 59708670
Area 1.715271696799E+14
Altitude 17236408.348727

Triangular Pyramid

Length = n
Surface area 1.715271696799E+14
Volume 9.2914218841116E+20
Height 9382312.3228066