Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

19997887 (number)

19997887 is an odd 8-digits composite number following 19997886 and preceding 19997888. In scientific notation, it is written as 1.9997887 × 10^7. The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors. There are 15822432 positive integers (up to 19997887) that are relatively prime to 19997887.

Interesting facts

19997887 has 4 divisors, whose sum is 20217736
The reverse of 19997887 is 78879991
Previous prime number is 91

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 58
Digital Root 4

Name

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

Notation

Scientific notation	1.9997887 × 10^7
Engineering notation	1.9997887 × 10^6

Prime Factorization of 19997887

Prime Factorization 91 × 219757

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19997887	Product of the distinct prime numbers

The prime factorization of 19997887 is 91 × 219757. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 2, 74, 928, 601, 5163, 2506, 88804, 38508, 433538, 896489, 1419825, 3929864, 40325240, 95103363, 870174850, 260410962, 4512304218, 8113761433

Basic calculations (n = 19997887)

Multiplication

n×y

n×2	39995774
n×3	59993661
n×4	79991548
n×5	99989435

Division

n÷y

n÷2	9998943.5
n÷3	6665962.3333333
n÷3	4999471.75
n÷5	3999577.4

Exponentiation

n^y

n²	399915484464769
n³	7.9974646678767E+21
n⁴	1.5993239471469E+29
n⁵	3.1983099571438E+36

Nth Root

^y√n

²√n	4471.8997081777
³√n	271.43220204879
⁴√n	66.872264117328
⁵√n	28.853388407397

Divisors of 19997887

1, 91, 219757, 19997887

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19997886	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19997887 can be divided by 4 positive divisors. The sum of these divisors (counting 19997887) is 1, the average is 0.25.

Base conversion 19997887

Base	System	Value
2	Binary	1001100010010010010111111
3	Ternary	1101121222221111
4	Quaternary	1030102102333
5	Quinary	20104413022
6	Senary	1552342451
8	Octal	114222277
10	Decimal	19997887
12	Duodecimal	6844a27
16	Hexadecimal	13124bf
20	Vigesimal	64jee7
36	Base36	bwmgv

Cryptographic Hash Functions

md5	d2792af6f6093cbeb7fae02893bc0d2a
sha1	28ed1d7828ab546d7a42af9765445fea3ddc0ea0
sha256	910c6ec66cb92510d8d016a736883aa897dd8ba85dcd3c0a936e2edeeb4cbe6a
sha512	538efa0f67155503c8ad6046d7157a249b1c99888b9f2d53cbe12f83dc37638916decafaf7fe734170bb41e7a4591f271ae89ad15c30ccc2732aa72a20fbffa2
ripemd-160	8781b6361a9bb4113602d1af7c64d845569c8363

19997887 as geometric shapes

Circle

Radius = n

Diameter	39995774
Circumference	125650429.77304
Area	1.2563715480513E+15

Sphere

Radius = n

Volume	3.3499701663927E+22
Surface area	5.0254861922053E+15
Circumference	125650429.77304

Square

Length = n

Perimeter	79991548
Area	399915484464769
Diagonal	28281283.014205

Cube

Length = n

Surface area	2399492906788614
Volume	7.9974646678767E+21
Space diagonal	34637356.328021

Equilateral Triangle

Length = n

Perimeter	59993661
Area	1.7316848445663E+14
Altitude	17318678.164011

Triangular Pyramid

Length = n

Surface area	1.7316848445663E+14
Volume	9.4251024982591E+20
Height	9427094.3380682