19981908 (number)

19981908 is an even 8-digits composite number following 19981907 and preceding 19981909. In scientific notation, it is written as 1.9981908 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 6660624 positive integers (up to 19981908) that are relatively prime to 19981908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9981908 × 10^7
Engineering notation 1.9981908 × 10^6

Prime Factorization of 19981908

Prime Factorization 2 × 2 × 9 × 555053

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9990954
Product of the distinct prime numbers

The prime factorization of 19981908 is 2 × 2 × 9 × 555053. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 35, 27, 281, 454, 3876, 2071, 23680, 93748, 404830, 687935, 9545294, 9681239, 42700947, 61444248, 450538557, 845990699, 7350580379, 7635808380

Basic calculations (n = 19981908)

Multiplication

n×y
n×2 39963816
n×3 59945724
n×4 79927632
n×5 99909540

Division

n÷y
n÷2 9990954
n÷3 6660636
n÷3 4995477
n÷5 3996381.6

Exponentiation

ny
n2 399276647320464
n3 7.978309233306E+21
n4 1.5942184109547E+29
n5 3.1855525619603E+36

Nth Root

y√n
2√n 4470.1127502559
3√n 271.35988822776
4√n 66.858901802646
5√n 28.848775962878

Divisors of 19981908

1, 2, 4, 9, 18, 36, 555053, 1110106, 2220212, 4995477, 9990954, 19981908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19981907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19981908 can be divided by 12 positive divisors. The sum of these divisors (counting 19981908) is 1, the average is 0.083333333333333.

Base conversion 19981908

Base System Value
2 Binary 1001100001110011001010100
3 Ternary 1101121012000200
4 Quaternary 1030032121110
5 Quinary 20103410113
6 Senary 1552140500
8 Octal 114163124
10 Decimal 19981908
12 Duodecimal 6837730
16 Hexadecimal 130e654
20 Vigesimal 64hef8
36 Base36 bwa50

Cryptographic Hash Functions

md5 47e0fefb7559db233cd4b708571873ce
sha1 c63ad9ac8fc2aa1ef8b6e996b28b69b352ffc6fc
sha256 0d8d2572236f0d8c10cfaa37ed36f5d9feffaf1bd4e487b319e420a44fa5a9e1
sha512 ffabb5e5665f0298526bf002a63d2e8077643cf7e154d5f72b1711965b1256a622ce4e827afc8e110c905be67437feb99bd0a62dacb05e4f1facfe56aff7905f
ripemd-160 610d7fda739ac7b814c49611b006212767d3f12a

19981908 as geometric shapes

Circle

Radius = n
Diameter 39963816
Circumference 125550030.75501
Area 1.2543645819719E+15

Sphere

Radius = n
Volume 3.3419463567229E+22
Surface area 5.0174583278877E+15
Circumference 125550030.75501

Square

Length = n
Perimeter 79927632
Area 399276647320464
Diagonal 28258685.295691

Cube

Length = n
Surface area 2395659883922784
Volume 7.978309233306E+21
Space diagonal 34609679.888167

Equilateral Triangle

Length = n
Perimeter 59945724
Area 1.728918598587E+14
Altitude 17304839.944084

Triangular Pyramid

Length = n
Surface area 1.728918598587E+14
Volume 9.4025276021231E+20
Height 9419561.7652305