1620120981 (number)

1620120981 is an odd 10-digits composite number following 1620120980 and preceding 1620120982. In scientific notation, it is written as 1.620120981 × 10^9. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 1080080652 positive integers (up to 1620120981) that are relatively prime to 1620120981.

Interesting facts

Basic properties

Name

Name one billion six hundred twenty million one hundred twenty thousand nine hundred eighty-one

Notation

Scientific notation 1.620120981 × 10^9
Engineering notation 1.620120981 × 10^9

Prime Factorization of 1620120981

Prime Factorization 3 × 540040327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1620120981
Product of the distinct prime numbers

The prime factorization of 1620120981 is 3 × 540040327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 3, 96, 98, 742, 374, 519, 1137, 81824, 82857, 594078, 770529, 8730240, 2372797, 72654241, 56355476, 51339739, 885660467, 5628533875, 9742705872

Basic calculations (n = 1620120981)

Multiplication

n×y
n×2 3240241962
n×3 4860362943
n×4 6480483924
n×5 8100604905

Division

n÷y
n÷2 810060490.5
n÷3 540040327
n÷3 405030245.25
n÷5 324024196.2

Exponentiation

ny
n2 2624791993076402361
n3 4.2524805787439E+27
n4 6.889533006918E+36
n5 1.11618769738E+46

Nth Root

y√n
2√n 40250.726465494
3√n 1174.4895277095
4√n 200.62583698391
5√n 69.487948357505

Divisors of 1620120981

1, 3, 540040327, 1620120981

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 -1620120980
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 1620120981 can be divided by 4 positive divisors. The sum of these divisors (counting 1620120981) is 1, the average is 0.25.

Base conversion 1620120981

Base System Value
2 Binary 1100000100100010001010110010101
3 Ternary 11011220112200011210
4 Quaternary 1200210101112111
5 Quinary 11304222332411
6 Senary 424432452033
8 Octal 14044212625
10 Decimal 1620120981
12 Duodecimal 3926aa019
16 Hexadecimal 60911595
20 Vigesimal 1565f291
36 Base36 qsktcl

Cryptographic Hash Functions

md5 9b49121fadd403bda16e394cdd6cffb1
sha1 c06612350525b6045c5d24148756ca24e3f7d628
sha256 a75c768924b0940e1ed25450d3ca50756220ee24c91963166a374bdfc8a1a3bd
sha512 6ac9414774d311a8720952bd1150464e071aa934764c0b147020830a1e3c802928b97fcc0a4b15b8765a5b98f5cfaf4e774236cd9391a53b4ab373b8ceaa8306
ripemd-160 e064ff39d711048f065190be7edf89398b6151d7

1620120981 as geometric shapes

Circle

Radius = n
Diameter 3240241962
Circumference 10179520343.673
Area 8.2460272426501E+18

Sphere

Radius = n
Volume 1.7812748994287E+28
Surface area 3.2984108970601E+19
Circumference 10179520343.673

Square

Length = n
Perimeter 6480483924
Area 2624791993076402361
Diagonal 2291197064.0154

Cube

Length = n
Surface area 1.5748751958458E+19
Volume 4.2524805787439E+27
Space diagonal 2806131853.5003

Equilateral Triangle

Length = n
Perimeter 4860362943
Area 1.1365682728271E+18
Altitude 1403065926.7502

Triangular Pyramid

Length = n
Surface area 1.1365682728271E+18
Volume 5.0115964234898E+26
Height 763732354.6718