19997813 (number)

19997813 is an odd 8-digits composite number following 19997812 and preceding 19997814. In scientific notation, it is written as 1.9997813 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 17881200 positive integers (up to 19997813) that are relatively prime to 19997813.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-seven thousand eight hundred thirteen

Notation

Scientific notation 1.9997813 × 10^7
Engineering notation 1.9997813 × 10^6

Prime Factorization of 19997813

Prime Factorization 11 × 61 × 29803

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19997813
Product of the distinct prime numbers

The prime factorization of 19997813 is 11 × 61 × 29803. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 98, 78, 963, 434, 2189, 6389, 72899, 95140, 838791, 322169, 8427119, 9713020, 19364487, 14306363, 679237346, 321132143, 1605970055, 619898381

Basic calculations (n = 19997813)

Multiplication

n×y
n×2 39995626
n×3 59993439
n×4 79991252
n×5 99989065

Division

n÷y
n÷2 9998906.5
n÷3 6665937.6666667
n÷3 4999453.25
n÷5 3999562.6

Exponentiation

ny
n2 399912524782969
n3 7.9973758869677E+21
n4 1.5993002747829E+29
n5 3.1982507825957E+36

Nth Root

y√n
2√n 4471.8914342815
3√n 271.43186724662
4√n 66.872202253862
5√n 28.853367053602

Divisors of 19997813

1, 11, 61, 671, 29803, 327833, 1817983, 19997813

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19997812
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19997813 can be divided by 8 positive divisors. The sum of these divisors (counting 19997813) is 1, the average is 0.125.

Base conversion 19997813

Base System Value
2 Binary 1001100010010010001110101
3 Ternary 1101121222211202
4 Quaternary 1030102101311
5 Quinary 20104412223
6 Senary 1552342245
8 Octal 114222165
10 Decimal 19997813
12 Duodecimal 6844985
16 Hexadecimal 1312475
20 Vigesimal 64jead
36 Base36 bwmet

Cryptographic Hash Functions

md5 eec0472601c5e1f1300206b1502197f6
sha1 1a70733b29925f49dafb377034b5788f392f9e3c
sha256 25c244ac3f6b8ec690c5ccc967b08e65db5f5974042fad782253f1478fd3ae40
sha512 d57630754bbe63a3df67d3a125a51a1fba552e8e2d095bdf89e6908e256b84816f4e5631a642bcf0a2936e0ea47290eb969f5e097fb35533beba5daf7a0d2f3c
ripemd-160 57eb44c294c88c842695388a7b1b8953f8042a1c

19997813 as geometric shapes

Circle

Radius = n
Diameter 39995626
Circumference 125649964.81732
Area 1.2563622499367E+15

Sphere

Radius = n
Volume 3.3499329779325E+22
Surface area 5.0254489997469E+15
Circumference 125649964.81732

Square

Length = n
Perimeter 79991252
Area 399912524782969
Diagonal 28281178.362401

Cube

Length = n
Surface area 2399475148697814
Volume 7.9973758869677E+21
Space diagonal 34637228.156261

Equilateral Triangle

Length = n
Perimeter 59993439
Area 1.7316720287681E+14
Altitude 17318614.078131

Triangular Pyramid

Length = n
Surface area 1.7316720287681E+14
Volume 9.4249978689544E+20
Height 9427059.4541337