18407989 (number)

18407989 is an odd 8-digits composite number following 18407988 and preceding 18407990. In scientific notation, it is written as 1.8407989 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 18036720 positive integers (up to 18407989) that are relatively prime to 18407989.

Interesting facts

Basic properties

Name

Name eighteen million four hundred seven thousand nine hundred eighty-nine

Notation

Scientific notation 1.8407989 × 10^7
Engineering notation 1.8407989 × 10^6

Prime Factorization of 18407989

Prime Factorization 83 × 1693 × 131

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18407989
Product of the distinct prime numbers

The prime factorization of 18407989 is 83 × 1693 × 131. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 99, 76, 945, 801, 5471, 3469, 1296, 79836, 952423, 613125, 2737252, 1728833, 87811330, 23058686, 359246775, 658525842, 7003415281, 3954189374

Basic calculations (n = 18407989)

Multiplication

n×y
n×2 36815978
n×3 55223967
n×4 73631956
n×5 92039945

Division

n÷y
n÷2 9203994.5
n÷3 6135996.3333333
n÷3 4601997.25
n÷5 3681597.8

Exponentiation

ny
n2 338854059024121
n3 6.2376217911214E+21
n4 1.1482207331712E+29
n5 2.1136434625788E+36

Nth Root

y√n
2√n 4290.4532394608
3√n 264.03942726874
4√n 65.501551427892
5√n 28.379273222886

Divisors of 18407989

1, 83, 131, 1693, 10873, 140519, 221783, 18407989

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 -18407988
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 18407989 can be divided by 8 positive divisors. The sum of these divisors (counting 18407989) is 1, the average is 0.125.

Base conversion 18407989

Base System Value
2 Binary 1000110001110001000110101
3 Ternary 1021122020000101
4 Quaternary 1012032020311
5 Quinary 14203023424
6 Senary 1454314101
8 Octal 106161065
10 Decimal 18407989
12 Duodecimal 61b8931
16 Hexadecimal 118e235
20 Vigesimal 5f0jj9
36 Base36 ayjp1

Cryptographic Hash Functions

md5 46e97a6ff131d18ffca9589a5377d04e
sha1 a3be5dc346b94b425fa30eef049b7bd671f50a4d
sha256 0966027081839edc83b09e42ba81ef55a1e599e36098e9176566c6588cf5f42c
sha512 b8f3c3b4ad073385ea804fdf9101e93508f35b9015310138a588447ba1d43964782f4c23a74a0211f85c3fc70c9c323e4f9c7f7d95ec7ae4178ee1f1a8028cbd
ripemd-160 b011bbb7c0dce57bac432179152c3455b37f5d80

18407989 as geometric shapes

Circle

Radius = n
Diameter 36815978
Circumference 115660806.01952
Area 1.0645414224693E+15

Sphere

Radius = n
Volume 2.6128089059811E+22
Surface area 4.258165689877E+15
Circumference 115660806.01952

Square

Length = n
Perimeter 73631956
Area 338854059024121
Diagonal 26032827.699815

Cube

Length = n
Surface area 2033124354144726
Volume 6.2376217911214E+21
Space diagonal 31883572.213169

Equilateral Triangle

Length = n
Perimeter 55223967
Area 1.4672811164518E+14
Altitude 15941786.106585

Triangular Pyramid

Length = n
Surface area 1.4672811164518E+14
Volume 7.3511077782982E+20
Height 8677609.2332716