1981845420 (number)

1981845420 is an even 10-digits composite number following 1981845419 and preceding 1981845421. In scientific notation, it is written as 1.981845420 × 10^9. The sum of its digits is 42. It has a total of 6 prime factors and 48 positive divisors. There are 528126976 positive integers (up to 1981845420) that are relatively prime to 1981845420.

Interesting facts

Basic properties

Name

Name one billion nine hundred eighty-one million eight hundred forty-five thousand four hundred twenty

Notation

Scientific notation 1.981845420 × 10^9
Engineering notation 1.981845420 × 10^9

Prime Factorization of 1981845420

Prime Factorization 2 × 2 × 5 × 3 × 1553 × 21269

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 990922710
Product of the distinct prime numbers

The prime factorization of 1981845420 is 2 × 2 × 5 × 3 × 1553 × 21269. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 7, 13, 75, 839, 963, 2992, 3831, 44960, 62664, 573650, 38836, 169239, 5379361, 51493050, 19459762, 886057576, 637693112, 9253028799, 1678714826

Basic calculations (n = 1981845420)

Multiplication

n×y
n×2 3963690840
n×3 5945536260
n×4 7927381680
n×5 9909227100

Division

n÷y
n÷2 990922710
n÷3 660615140
n÷3 495461355
n÷5 396369084

Exponentiation

ny
n2 3927711268774976400
n3 7.7841165891041E+27
n4 1.5426915810862E+37
n5 3.0573762444482E+46

Nth Root

y√n
2√n 44517.922458264
3√n 1256.0972335708
4√n 210.99270712104
5√n 72.345905286721

Divisors of 1981845420

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1553, 3106, 4659, 6212, 7765, 9318, 15530, 18636, 21269, 23295, 31060, 42538, 46590, 63807, 85076, 93180, 106345, 127614, 212690, 255228, 319035, 425380, 638070, 1276140, 33030757, 66061514, 99092271, 132123028, 165153785, 198184542, 330307570, 396369084, 495461355, 660615140, 990922710, 1981845420

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1981845419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1981845420 can be divided by 48 positive divisors. The sum of these divisors (counting 1981845420) is 1, the average is 0.020833333333333.

Base conversion 1981845420

Base System Value
2 Binary 1110110001000001000111110101100
3 Ternary 12010010012011211020
4 Quaternary 1312020020332230
5 Quinary 13024323023140
6 Senary 524353454140
8 Octal 16610107654
10 Decimal 1981845420
12 Duodecimal 473871350
16 Hexadecimal 76208fac
20 Vigesimal 1aj6adb0
36 Base36 wrxtpo

Cryptographic Hash Functions

md5 ee2a29a0f2f355a54d763c2228a3b5a3
sha1 d2628a7a8ad00f7f2c74de01cf20ff1631052c34
sha256 bd4f5558e998466e63c80f97314ad2bfac5fde5fbe8e4db12f4fef436ca13bd3
sha512 dc44adb0e6a375be42a89c0127d4f11b605ff11191f0d63a69be13bf59f7a7f6b2a974cbe09d4f39e2e2615d0d375d911c2b541eb266977572fe667b55fb625c
ripemd-160 25280382bc6b1e43756049ed68d6ee8f09a0368d

1981845420 as geometric shapes

Circle

Radius = n
Diameter 3963690840
Circumference 12452302024.045
Area 1.2339268867405E+19

Sphere

Radius = n
Volume 3.2606031321354E+28
Surface area 4.9357075469621E+19
Circumference 12452302024.045

Square

Length = n
Perimeter 7927381680
Area 3927711268774976400
Diagonal 2802752671.491

Cube

Length = n
Surface area 2.356626761265E+19
Volume 7.7841165891041E+27
Space diagonal 3432656960.1877

Equilateral Triangle

Length = n
Perimeter 5945536260
Area 1.7007488687448E+18
Altitude 1716328480.0938

Triangular Pyramid

Length = n
Surface area 1.7007488687448E+18
Volume 9.1736693761703E+26
Height 934250890.497