1998901890 (number)

1998901890 is an even 10-digits composite number following 1998901889 and preceding 1998901891. In scientific notation, it is written as 1.998901890 × 10^9. The sum of its digits is 54. It has a total of 6 prime factors and 48 positive divisors. There are 522981888 positive integers (up to 1998901890) that are relatively prime to 1998901890.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-eight million nine hundred one thousand eight hundred ninety

Notation

Scientific notation 1.998901890 × 10^9
Engineering notation 1.998901890 × 10^9

Prime Factorization of 1998901890

Prime Factorization 2 × 3 × 3 × 5 × 53 × 419057

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 666300630
Product of the distinct prime numbers

The prime factorization of 1998901890 is 2 × 3 × 3 × 5 × 53 × 419057. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 9, 21, 51, 297, 500, 3418, 2139, 35184, 56562, 621646, 999131, 6081351, 722169, 70388933, 63599911, 315315049, 518731586, 3683288054, 1611321089

Basic calculations (n = 1998901890)

Multiplication

n×y
n×2 3997803780
n×3 5996705670
n×4 7995607560
n×5 9994509450

Division

n÷y
n÷2 999450945
n÷3 666300630
n÷3 499725472.5
n÷5 399780378

Exponentiation

ny
n2 3995608765845572100
n3 7.9868299137493E+27
n4 1.5964889409702E+37
n5 3.1912247614694E+46

Nth Root

y√n
2√n 44709.080621279
3√n 1259.6904190294
4√n 211.44521896056
5√n 72.470005741284

Divisors of 1998901890

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4770, 419057, 838114, 1257171, 2095285, 2514342, 3771513, 4190570, 6285855, 7543026, 12571710, 18857565, 22210021, 37715130, 44420042, 66630063, 111050105, 133260126, 199890189, 222100210, 333150315, 399780378, 666300630, 999450945, 1998901890

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1998901889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1998901890 can be divided by 48 positive divisors. The sum of these divisors (counting 1998901890) is 1, the average is 0.020833333333333.

Base conversion 1998901890

Base System Value
2 Binary 1110111001001001101001010000010
3 Ternary 12011022021201220100
4 Quaternary 1313021031022002
5 Quinary 13043204330030
6 Senary 530203223230
8 Octal 16711151202
10 Decimal 1998901890
12 Duodecimal 479517b16
16 Hexadecimal 7724d282
20 Vigesimal 1b4d2eea
36 Base36 x23eki

Cryptographic Hash Functions

md5 5a656d845e19c29e2cbbefca042eee35
sha1 a8cebc3fe67e4239a9463841bd7166eb33d16774
sha256 9f12041d062a9b4c6e152e9fd5a6301f78f885d34cb690cde21c867b2c8c953d
sha512 a6e91be1bb8a95bd3b4f7c4619b229ce2d31b8317bc56f232aec429479d1007889a505f09aef48afa13ebc13ece30a4a1f3cf37e5277239690c32b0d6f8df1ac
ripemd-160 f20a73dd178734de5446785e9d81d968ac5270d0

1998901890 as geometric shapes

Circle

Radius = n
Diameter 3997803780
Circumference 12559470985.742
Area 1.2552575145399E+19

Sphere

Radius = n
Volume 3.3455154910008E+28
Surface area 5.0210300581598E+19
Circumference 12559470985.742

Square

Length = n
Perimeter 7995607560
Area 3995608765845572100
Diagonal 2826874162.6912

Cube

Length = n
Surface area 2.3973652595073E+19
Volume 7.9868299137493E+27
Space diagonal 3462199632.8255

Equilateral Triangle

Length = n
Perimeter 5996705670
Area 1.730149347403E+18
Altitude 1731099816.4127

Triangular Pyramid

Length = n
Surface area 1.730149347403E+18
Volume 9.4125693203261E+26
Height 942291387.56374