1981356738 (number)

1981356738 is an even 10-digits composite number following 1981356737 and preceding 1981356739. In scientific notation, it is written as 1.981356738 × 10^9. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 649625040 positive integers (up to 1981356738) that are relatively prime to 1981356738.

Interesting facts

Basic properties

Name

Name one billion nine hundred eighty-one million three hundred fifty-six thousand seven hundred thirty-eight

Notation

Scientific notation 1.981356738 × 10^9
Engineering notation 1.981356738 × 10^9

Prime Factorization of 1981356738

Prime Factorization 2 × 3 × 61 × 5413543

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1981356738
Product of the distinct prime numbers

The prime factorization of 1981356738 is 2 × 3 × 61 × 5413543. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 32, 37, 792, 30, 7868, 8770, 14951, 70778, 88556, 996879, 889008, 7619664, 26152254, 2466993, 440759406, 379459005, 123834912, 9955436946

Basic calculations (n = 1981356738)

Multiplication

n×y
n×2 3962713476
n×3 5944070214
n×4 7925426952
n×5 9906783690

Division

n÷y
n÷2 990678369
n÷3 660452246
n÷3 495339184.5
n÷5 396271347.6

Exponentiation

ny
n2 3925774523218000644
n3 7.7783598034467E+27
n4 1.5411705607148E+37
n5 3.0536086748794E+46

Nth Root

y√n
2√n 44512.433521433
3√n 1255.9939825702
4√n 210.97969931117
5√n 72.342337134645

Divisors of 1981356738

1, 2, 3, 6, 61, 122, 183, 366, 5413543, 10827086, 16240629, 32481258, 330226123, 660452246, 990678369, 1981356738

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 -1981356737
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 1981356738 can be divided by 16 positive divisors. The sum of these divisors (counting 1981356738) is 1, the average is 0.0625.

Base conversion 1981356738

Base System Value
2 Binary 1110110000110010001101011000010
3 Ternary 12010002021100110220
4 Quaternary 1312012101223002
5 Quinary 13024211403423
6 Senary 524335203510
8 Octal 16606215302
10 Decimal 1981356738
12 Duodecimal 473676596
16 Hexadecimal 76191ac2
20 Vigesimal 1aj39bgi
36 Base36 wrncn6

Cryptographic Hash Functions

md5 73077f085872c37ebfe377052b8cf651
sha1 46c866b34718e5e7f476b45104219d7974a1ae47
sha256 68580705dad2c291b2b6c7709328472fcec716f21bef3041933874badbd88163
sha512 1d026cd3b2d1b257591cf5b3d723a466caab19d6c61d5b66f0f84e76f813c8b41153b767818116c643fc8a86656dbf5013205f4d6f38376981b7b1e466be550b
ripemd-160 f2c3fe790f4ea44e170348c7841395e26b34671e

1981356738 as geometric shapes

Circle

Radius = n
Diameter 3962713476
Circumference 12449231544.483
Area 1.2333184401792E+19

Sphere

Radius = n
Volume 3.2581917353982E+28
Surface area 4.9332737607167E+19
Circumference 12449231544.483

Square

Length = n
Perimeter 7925426952
Area 3925774523218000644
Diagonal 2802061570.7789

Cube

Length = n
Surface area 2.3554647139308E+19
Volume 7.7783598034467E+27
Space diagonal 3431810538.1349

Equilateral Triangle

Length = n
Perimeter 5944070214
Area 1.6999102333183E+18
Altitude 1715905269.0675

Triangular Pyramid

Length = n
Surface area 1.6999102333183E+18
Volume 9.1668849392101E+26
Height 934020523.59297