1999870821 (number)

1999870821 is an odd 10-digits composite number following 1999870820 and preceding 1999870822. In scientific notation, it is written as 1.999870821 × 10^9. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 1141050240 positive integers (up to 1999870821) that are relatively prime to 1999870821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.999870821 × 10^9
Engineering notation 1.999870821 × 10^9

Prime Factorization of 1999870821

Prime Factorization 9 × 13 × 893 × 19141

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1999870821
Product of the distinct prime numbers

The prime factorization of 1999870821 is 9 × 13 × 893 × 19141. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1999870821)

Multiplication

n×y
n×2 3999741642
n×3 5999612463
n×4 7999483284
n×5 9999354105

Division

n÷y
n÷2 999935410.5
n÷3 666623607
n÷3 499967705.25
n÷5 399974164.2

Exponentiation

ny
n2 3999483300687214041
n3 7.9984499521211E+27
n4 1.5995866672476E+37
n5 3.1989667014891E+46

Nth Root

y√n
2√n 44719.915261548
3√n 1259.8939234206
4√n 211.47083785134
5√n 72.477030080458

Divisors of 1999870821

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1999870820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1999870821 can be divided by 16 positive divisors. The sum of these divisors (counting 1999870821) is 1, the average is 0.0625.

Base conversion 1999870821

Base System Value
2 Binary 1110111001100111001101101100101
3 Ternary 12011101002222000200
4 Quaternary 1313030321231211
5 Quinary 13043431331241
6 Senary 530240101113
8 Octal 16714715545
10 Decimal 1999870821
12 Duodecimal 479904799
16 Hexadecimal 77339b65
20 Vigesimal 1b4j3h11
36 Base36 x2o679

Cryptographic Hash Functions

md5 b761b2e69ccb498eeb14f0e5aefc55c2
sha1 97cc56cedc4788b2177f6147b85528c41bdaf239
sha256 6fd67d7b02ee70b7313a0bbcd2cc9a6524b70ff603460ce0efa7fd98258defb5
sha512 473b3a24147c3b95f5c6999f2b1a5e8eaf601dfc078ca70cb27cbd1229c320f797f1a6361daf424924776e9bdb96941559b9fa0af9a5f0f87a99828039794a5a
ripemd-160 ec6917b27778ba14411ca0141dbf4aceb85825bf

1999870821 as geometric shapes

Circle

Radius = n
Diameter 3999741642
Circumference 12565558958.764
Area 1.2564747355594E+19

Sphere

Radius = n
Volume 3.3503828812919E+28
Surface area 5.0258989422376E+19
Circumference 12565558958.764

Square

Length = n
Perimeter 7999483284
Area 3999483300687214041
Diagonal 2828244438.0524

Cube

Length = n
Surface area 2.3996899804123E+19
Volume 7.9984499521211E+27
Space diagonal 3463877870.5465

Equilateral Triangle

Length = n
Perimeter 5999612463
Area 1.7318270702034E+18
Altitude 1731938935.2732

Triangular Pyramid

Length = n
Surface area 1.7318270702034E+18
Volume 9.4262636668768E+26
Height 942748146.01747