19987613 (number)

19987613 is an odd 8-digits composite number following 19987612 and preceding 19987614. In scientific notation, it is written as 1.9987613 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 19958400 positive integers (up to 19987613) that are relatively prime to 19987613.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-seven thousand six hundred thirteen

Notation

Scientific notation 1.9987613 × 10^7
Engineering notation 1.9987613 × 10^6

Prime Factorization of 19987613

Prime Factorization 701 × 28513

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19987613
Product of the distinct prime numbers

The prime factorization of 19987613 is 701 × 28513. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19987613)

Multiplication

n×y
n×2 39975226
n×3 59962839
n×4 79950452
n×5 99938065

Division

n÷y
n÷2 9993806.5
n÷3 6662537.6666667
n÷3 4996903.25
n÷5 3997522.6

Exponentiation

ny
n2 399504673437769
n3 7.9851448043655E+21
n4 1.5960398409862E+29
n5 3.1901026674213E+36

Nth Root

y√n
2√n 4470.7508317955
3√n 271.38571093453
4√n 66.863673484153
5√n 28.85042308761

Divisors of 19987613

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 -19987612
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 19987613 can be divided by 4 positive divisors. The sum of these divisors (counting 19987613) is 1, the average is 0.25.

Base conversion 19987613

Base System Value
2 Binary 1001100001111110010011101
3 Ternary 1101121110211222
4 Quaternary 1030033302131
5 Quinary 20104100423
6 Senary 1552223125
8 Octal 114176235
10 Decimal 19987613
12 Duodecimal 683aaa5
16 Hexadecimal 130fc9d
20 Vigesimal 64i90d
36 Base36 bwejh

Cryptographic Hash Functions

md5 99648a2a339c336b8c20ad3ac59de58a
sha1 0a0911718a579eab685aeafcd8130b0965bd7619
sha256 b44ba73a176c9d3c0f499b22a0b0a3fe66b796fe4b6edae7ddf9ba7f62bd7305
sha512 68b57309623a6bde4b3c5d8f5bd5f9f0482feef0efc88cf558233617f372bc46a53f568db4791dbdb819aefb86b48f93c231d3c39fc02e1504f361d5589b7b1d
ripemd-160 f13a0c1b498b336d2c7fd54cad7ebbb2f7ad863b

19987613 as geometric shapes

Circle

Radius = n
Diameter 39975226
Circumference 125585876.32719
Area 1.2550809471469E+15

Sphere

Radius = n
Volume 3.3448096340327E+22
Surface area 5.0203237885875E+15
Circumference 125585876.32719

Square

Length = n
Perimeter 79950452
Area 399504673437769
Diagonal 28266753.384065

Cube

Length = n
Surface area 2397028040626614
Volume 7.9851448043655E+21
Space diagonal 34619561.238024

Equilateral Triangle

Length = n
Perimeter 59962839
Area 1.7299059806386E+14
Altitude 17309780.619012

Triangular Pyramid

Length = n
Surface area 1.7299059806386E+14
Volume 9.4105833998723E+20
Height 9422251.1280216