1998492757 (number)

1998492757 is an odd 10-digits composite number following 1998492756 and preceding 1998492758. In scientific notation, it is written as 1.998492757 × 10^9. The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors. There are 1978705600 positive integers (up to 1998492757) that are relatively prime to 1998492757.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-eight million four hundred ninety-two thousand seven hundred fifty-seven

Notation

Scientific notation 1.998492757 × 10^9
Engineering notation 1.998492757 × 10^9

Prime Factorization of 1998492757

Prime Factorization 101 × 19787057

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1998492757
Product of the distinct prime numbers

The prime factorization of 1998492757 is 101 × 19787057. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 8, 52, 64, 292, 370, 4326, 6527, 92769, 374, 871295, 193379, 3655603, 9306410, 45475941, 52769857, 371706611, 967323524, 8521615198, 3667815711

Basic calculations (n = 1998492757)

Multiplication

n×y
n×2 3996985514
n×3 5995478271
n×4 7993971028
n×5 9992463785

Division

n÷y
n÷2 999246378.5
n÷3 666164252.33333
n÷3 499623189.25
n÷5 399698551.4

Exponentiation

ny
n2 3993973299781461049
n3 7.9819267112646E+27
n4 1.5951822719367E+37
n5 3.1879602165603E+46

Nth Root

y√n
2√n 44704.504884855
3√n 1259.604469157
4√n 211.43439853736
5√n 72.467038882452

Divisors of 1998492757

1, 101, 19787057, 1998492757

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 -1998492756
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 1998492757 can be divided by 4 positive divisors. The sum of these divisors (counting 1998492757) is 1, the average is 0.25.

Base conversion 1998492757

Base System Value
2 Binary 1110111000111101001010001010101
3 Ternary 12011021111221200021
4 Quaternary 1313013221101111
5 Quinary 13043103232012
6 Senary 530150345141
8 Octal 16707512125
10 Decimal 1998492757
12 Duodecimal 47935b1b1
16 Hexadecimal 771e9455
20 Vigesimal 1b4abbhh
36 Base36 x1umvp

Cryptographic Hash Functions

md5 efa0b600c28a161e087c8fc4c033bf65
sha1 8e794c0ee356b4784aef356285bbbc18589bf478
sha256 977752d953362a1b3be1f7b252f7b0ee8894ea6fb3ddc4c105d8228c7f5af36b
sha512 4eae1c1024099972cb8aa79b57c5d0a477bf7a7863f714bddea859e9fc98ecee03b317bfba43fcc489bc2a338c43d458cb418fab3230b7ec4fb64e3c009858fc
ripemd-160 ec07300f77fdffa1b4b17ec9d8108d52d7acd6e9

1998492757 as geometric shapes

Circle

Radius = n
Diameter 3996985514
Circumference 12556900327.287
Area 1.2547437177227E+19

Sphere

Radius = n
Volume 3.3434616423468E+28
Surface area 5.0189748708909E+19
Circumference 12556900327.287

Square

Length = n
Perimeter 7993971028
Area 3993973299781461049
Diagonal 2826295561.2538

Cube

Length = n
Surface area 2.3963839798689E+19
Volume 7.9819267112646E+27
Space diagonal 3461490993.6824

Equilateral Triangle

Length = n
Perimeter 5995478271
Area 1.7294411698238E+18
Altitude 1730745496.8412

Triangular Pyramid

Length = n
Surface area 1.7294411698238E+18
Volume 9.4067908407821E+26
Height 942098520.41793