19981915 (number)

19981915 is an odd 8-digits composite number following 19981914 and preceding 19981916. In scientific notation, it is written as 1.9981915 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 15912960 positive integers (up to 19981915) that are relatively prime to 19981915.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-one thousand nine hundred fifteen

Notation

Scientific notation 1.9981915 × 10^7
Engineering notation 1.9981915 × 10^6

Prime Factorization of 19981915

Prime Factorization 5 × 223 × 17921

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19981915
Product of the distinct prime numbers

The prime factorization of 19981915 is 5 × 223 × 17921. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 2, 85, 96, 89, 575, 8764, 2969, 55272, 81581, 598953, 513166, 9009298, 3050262, 36720484, 93275186, 42868185, 161304517, 3167804576, 8973199492

Basic calculations (n = 19981915)

Multiplication

n×y
n×2 39963830
n×3 59945745
n×4 79927660
n×5 99909575

Division

n÷y
n÷2 9990957.5
n÷3 6660638.3333333
n÷3 4995478.75
n÷5 3996383

Exponentiation

ny
n2 399276927067225
n3 7.9783176181185E+21
n4 1.5942206448825E+29
n5 3.1855581417287E+36

Nth Root

y√n
2√n 4470.1135332338
3√n 271.35991991507
4√n 66.858907658096
5√n 28.848777984121

Divisors of 19981915

1, 5, 223, 1115, 17921, 89605, 3996383, 19981915

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 -19981914
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 19981915 can be divided by 8 positive divisors. The sum of these divisors (counting 19981915) is 1, the average is 0.125.

Base conversion 19981915

Base System Value
2 Binary 1001100001110011001011011
3 Ternary 1101121012000221
4 Quaternary 1030032121123
5 Quinary 20103410130
6 Senary 1552140511
8 Octal 114163133
10 Decimal 19981915
12 Duodecimal 6837737
16 Hexadecimal 130e65b
20 Vigesimal 64heff
36 Base36 bwa57

Cryptographic Hash Functions

md5 d83edca197773f34c410f68b8e16bf81
sha1 5382e25cc68d32b990fbca2e422abde0e6c34552
sha256 776ff56a3cb324fd5e0a4d76de3411627dba140da82878f71dc343d61cc2e578
sha512 8eb9302c48f13ae7c9e5cd9e45d342b9f75d3d99a9e17ac5692eecf3b60d2784d63665f331b67f09da7764171f7e5d09567e40a8d6f7a85e2bae2a694971f0aa
ripemd-160 bc3c8e3cd8e59f2502daa16c8d412b713c73d874

19981915 as geometric shapes

Circle

Radius = n
Diameter 39963830
Circumference 125550074.73731
Area 1.2543654608223E+15

Sphere

Radius = n
Volume 3.3419498689449E+22
Surface area 5.0174618432892E+15
Circumference 125550074.73731

Square

Length = n
Perimeter 79927660
Area 399276927067225
Diagonal 28258695.195186

Cube

Length = n
Surface area 2395661562403350
Volume 7.9783176181185E+21
Space diagonal 34609692.012523

Equilateral Triangle

Length = n
Perimeter 59945745
Area 1.728919809926E+14
Altitude 17304846.006261

Triangular Pyramid

Length = n
Surface area 1.728919809926E+14
Volume 9.4025374837195E+20
Height 9419565.0650621