2021821981 (number)

2021821981 is an odd 10-digits prime number following 2021821980 and preceding 2021821982. In scientific notation, it is written as 2.021821981 × 10^9. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 2021821980 positive integers (up to 2021821981) that are relatively prime to 2021821981.

Interesting facts

Basic properties

Name

Name two billion twenty-one million eight hundred twenty-one thousand nine hundred eighty-one

Notation

Scientific notation 2.021821981 × 10^9
Engineering notation 2.021821981 × 10^9

Prime Factorization of 2021821981

Prime Factorization 2021821981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 2021821981
Product of the distinct prime numbers

The prime factorization of 2021821981 is 2021821981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 4, 36, 80, 517, 900, 8809, 9054, 83924, 3786, 854534, 637861, 3314686, 457502, 54666038, 80632047, 249652410, 522335069, 8327250144, 5150007411

Basic calculations (n = 2021821981)

Multiplication

n×y
n×2 4043643962
n×3 6065465943
n×4 8087287924
n×5 10109109905

Division

n÷y
n÷2 1010910990.5
n÷3 673940660.33333
n÷3 505455495.25
n÷5 404364396.2

Exponentiation

ny
n2 4087764122854764361
n3 8.2647313567309E+27
n4 1.6709815524099E+37
n5 3.3784272325078E+46

Nth Root

y√n
2√n 44964.674812568
3√n 1264.4868131421
4√n 212.04875574398
5√n 72.63544185452

Divisors of 2021821981

1, 2021821981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 2021821982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 1010910991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 44964.674823688
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999990108
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2021821981 can be divided by 2 positive divisors. The sum of these divisors (counting 2021821981) is 2021821982, the average is 1010910991.

Base conversion 2021821981

Base System Value
2 Binary 1111000100000101000111000011101
3 Ternary 12012220102012100121
4 Quaternary 1320200220320131
5 Quinary 13120041300411
6 Senary 532342354541
8 Octal 17040507035
10 Decimal 2021821981
12 Duodecimal 48512ba51
16 Hexadecimal 78828e1d
20 Vigesimal 1bbg7ej1
36 Base36 xfqntp

Cryptographic Hash Functions

md5 d70756fa42cc472d753ca9d246ab36b2
sha1 c39c79761025d2160e2f54c177762d2429d405f7
sha256 cfbd2ceb7bf05480cac6487bf82f164a0d2928a59f0ddb2438537b8382d10ce4
sha512 8ca9fb5182fc3309c75172d844840f3cfe4799ee674de15e6ac021934dbbd3ac2c66458cb3141f240c5999fbfe773f70044492057a454fcb4354c83592128ea5
ripemd-160 63118905a82b785869ab7421e9f9e4dc4124a2f7

2021821981 as geometric shapes

Circle

Radius = n
Diameter 4043643962
Circumference 12703482164.752
Area 1.2842089737968E+19

Sphere

Radius = n
Volume 3.4619225752266E+28
Surface area 5.1368358951874E+19
Circumference 12703482164.752

Square

Length = n
Perimeter 8087287924
Area 4087764122854764361
Diagonal 2859288066.2342

Cube

Length = n
Surface area 2.4526584737129E+19
Volume 8.2647313567309E+27
Space diagonal 3501898394.9516

Equilateral Triangle

Length = n
Perimeter 6065465943
Area 1.7700537875354E+18
Altitude 1750949197.4758

Triangular Pyramid

Length = n
Surface area 1.7700537875354E+18
Volume 9.7400793117159E+26
Height 953096022.07808