1981330587 (number)

1981330587 is an odd 10-digits composite number following 1981330586 and preceding 1981330588. In scientific notation, it is written as 1.981330587 × 10^9. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 1305980928 positive integers (up to 1981330587) that are relatively prime to 1981330587.

Interesting facts

Basic properties

Name

Name one billion nine hundred eighty-one million three hundred thirty thousand five hundred eighty-seven

Notation

Scientific notation 1.981330587 × 10^9
Engineering notation 1.981330587 × 10^9

Prime Factorization of 1981330587

Prime Factorization 3 × 3 × 113 × 449 × 4339

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 660443529
Product of the distinct prime numbers

The prime factorization of 1981330587 is 3 × 3 × 113 × 449 × 4339. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 7, 96, 55, 15, 439, 851, 7639, 40776, 41448, 359161, 611568, 7473611, 6010571, 77718617, 86857002, 784414455, 723206473, 3097484080, 8256179690

Basic calculations (n = 1981330587)

Multiplication

n×y
n×2 3962661174
n×3 5943991761
n×4 7925322348
n×5 9906652935

Division

n÷y
n÷2 990665293.5
n÷3 660443529
n÷3 495332646.75
n÷5 396266117.4

Exponentiation

ny
n2 3925670894981764569
n3 7.778051818723E+27
n4 1.5410891975707E+37
n5 3.0534071644421E+46

Nth Root

y√n
2√n 44512.139771078
3√n 1255.988456787
4√n 210.97900315216
5√n 72.342146171109

Divisors of 1981330587

1, 3, 9, 113, 339, 449, 1017, 1347, 4041, 4339, 13017, 39051, 50737, 152211, 456633, 490307, 1470921, 1948211, 4412763, 5844633, 17533899, 220147843, 660443529, 1981330587

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1981330586
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1981330587 can be divided by 24 positive divisors. The sum of these divisors (counting 1981330587) is 1, the average is 0.041666666666667.

Base conversion 1981330587

Base System Value
2 Binary 1110110000110001011010010011011
3 Ternary 12010002020000121100
4 Quaternary 1312012023102123
5 Quinary 13024210034322
6 Senary 524334442443
8 Octal 16606132233
10 Decimal 1981330587
12 Duodecimal 473663423
16 Hexadecimal 7618b49b
20 Vigesimal 1aj36697
36 Base36 wrmsgr

Cryptographic Hash Functions

md5 d6c0efd081ce8d499bd7e93826f77a5a
sha1 613094b618eefc964fb1e7a3f0b0b13244c171e2
sha256 6a058cb6fd6d21d19ba1a31a9d8f9c0a3dbfe469e621c45d835968db79cfac73
sha512 2e0b99b41506f53c508de626635478d0a1119228a44fd4166a32cfabddfd85b482fba8eaae6272c2a5ed08ec3727ccfaf979a4b7642a858f8a59c66411094b8a
ripemd-160 4e61701610e0c63165d227956af17ead889e28dd

1981330587 as geometric shapes

Circle

Radius = n
Diameter 3962661174
Circumference 12449067232.904
Area 1.2332858844086E+19

Sphere

Radius = n
Volume 3.2580627270588E+28
Surface area 4.9331435376344E+19
Circumference 12449067232.904

Square

Length = n
Perimeter 7925322348
Area 3925670894981764569
Diagonal 2802024587.68

Cube

Length = n
Surface area 2.3554025369891E+19
Volume 7.778051818723E+27
Space diagonal 3431765243.2743

Equilateral Triangle

Length = n
Perimeter 5943991761
Area 1.6998653609757E+18
Altitude 1715882621.6371

Triangular Pyramid

Length = n
Surface area 1.6998653609757E+18
Volume 9.1665219757324E+26
Height 934008195.89335