19987097 (number)

19987097 is an odd 8-digits composite number following 19987096 and preceding 19987098. In scientific notation, it is written as 1.9987097 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 18449616 positive integers (up to 19987097) that are relatively prime to 19987097.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9987097 × 10^7
Engineering notation 1.9987097 × 10^6

Prime Factorization of 19987097

Prime Factorization 13 × 1537469

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19987097
Product of the distinct prime numbers

The prime factorization of 19987097 is 13 × 1537469. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19987097)

Multiplication

n×y
n×2 39974194
n×3 59961291
n×4 79948388
n×5 99935485

Division

n÷y
n÷2 9993548.5
n÷3 6662365.6666667
n÷3 4996774.25
n÷5 3997419.4

Exponentiation

ny
n2 399484046487409
n3 7.9845263870964E+21
n4 1.5958750339795E+29
n5 3.1896909104027E+36

Nth Root

y√n
2√n 4470.6931229956
3√n 271.38337555091
4√n 66.863241942009
5√n 28.85027412563

Divisors of 19987097

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 -19987096
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 19987097 can be divided by 4 positive divisors. The sum of these divisors (counting 19987097) is 1, the average is 0.25.

Base conversion 19987097

Base System Value
2 Binary 1001100001111101010011001
3 Ternary 1101121110010212
4 Quaternary 1030033222121
5 Quinary 20104041342
6 Senary 1552220505
8 Octal 114175231
10 Decimal 19987097
12 Duodecimal 683a735
16 Hexadecimal 130fa99
20 Vigesimal 64i7eh
36 Base36 bwe55

Cryptographic Hash Functions

md5 64c32c06cd663988bf233f7f1cf68ced
sha1 80d9202a6e8613f3ed2165253784b673e07ad306
sha256 83f1ecf76862d19535aaba30093e0b40df9e5be12936399cfef0a827224d34cc
sha512 c5377f006a029ae9157053972f17d11b2f27cd19333d4636caea66ae1b48028705a6d32181102055a95e704e7525c3b079fb5db7ffb7f84b885b08a4156ad649
ripemd-160 15b00aeb6ab6c2713a577d61d4d4ee61c727c002

19987097 as geometric shapes

Circle

Radius = n
Diameter 39974194
Circumference 125582634.20357
Area 1.2550161456712E+15

Sphere

Radius = n
Volume 3.3445505920128E+22
Surface area 5.0200645826847E+15
Circumference 125582634.20357

Square

Length = n
Perimeter 79948388
Area 399484046487409
Diagonal 28266023.649867

Cube

Length = n
Surface area 2396904278924454
Volume 7.9845263870964E+21
Space diagonal 34618667.499807

Equilateral Triangle

Length = n
Perimeter 59961291
Area 1.7298166633235E+14
Altitude 17309333.749904

Triangular Pyramid

Length = n
Surface area 1.7298166633235E+14
Volume 9.4098545881313E+20
Height 9422007.8832889