1981845684 (number)

1981845684 is an even 10-digits composite number following 1981845683 and preceding 1981845685. In scientific notation, it is written as 1.981845684 × 10^9. The sum of its digits is 54. It has a total of 6 prime factors and 48 positive divisors. There are 522681984 positive integers (up to 1981845684) that are relatively prime to 1981845684.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.981845684 × 10^9
Engineering notation 1.981845684 × 10^9

Prime Factorization of 1981845684

Prime Factorization 2 × 2 × 9 × 3 × 91 × 201653

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 990922842
Product of the distinct prime numbers

The prime factorization of 1981845684 is 2 × 2 × 9 × 3 × 91 × 201653. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1981845684)

Multiplication

n×y
n×2 3963691368
n×3 5945537052
n×4 7927382736
n×5 9909228420

Division

n÷y
n÷2 990922842
n÷3 660615228
n÷3 495461421
n÷5 396369136.8

Exponentiation

ny
n2 3927712315189427856
n3 7.7841196998518E+27
n4 1.5426924030891E+37
n5 3.0573782808017E+46

Nth Root

y√n
2√n 44517.925423362
3√n 1256.0972893454
4√n 210.99271414758
5√n 72.345907214148

Divisors of 1981845684

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 -1981845683
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 1981845684 can be divided by 48 positive divisors. The sum of these divisors (counting 1981845684) is 1, the average is 0.020833333333333.

Base conversion 1981845684

Base System Value
2 Binary 1110110001000001001000010110100
3 Ternary 12010010012012012000
4 Quaternary 1312020021002310
5 Quinary 13024323030214
6 Senary 524353455300
8 Octal 16610110264
10 Decimal 1981845684
12 Duodecimal 473871530
16 Hexadecimal 762090b4
20 Vigesimal 1aj6ae44
36 Base36 wrxtx0

Cryptographic Hash Functions

md5 042c465551b66517b104146e2f714c25
sha1 d53f94fe42a76c565edf8d0f8386d1cc6572ba4b
sha256 f12c512940b6be7065b26eee69a104ebb486679a9b11ab0b8a50c2bac877aa03
sha512 2ac1870ec3d7f01880c1fd1d5f0ddc1eaf0bb0702c55e097be3bb3ad8ce564ce66ef8ed1b07a2aef4eca2940194a29b95169ecf389ca7774c344c42bef6535cc
ripemd-160 cc2ae0e8328feefe94eacaf4273d38e0d74a5f45

1981845684 as geometric shapes

Circle

Radius = n
Diameter 3963691368
Circumference 12452303682.806
Area 1.2339272154813E+19

Sphere

Radius = n
Volume 3.2606044351624E+28
Surface area 4.9357088619253E+19
Circumference 12452303682.806

Square

Length = n
Perimeter 7927382736
Area 3927712315189427856
Diagonal 2802753044.8434

Cube

Length = n
Surface area 2.3566273891137E+19
Volume 7.7841196998518E+27
Space diagonal 3432657417.4491

Equilateral Triangle

Length = n
Perimeter 5945537052
Area 1.7007493218555E+18
Altitude 1716328708.7245

Triangular Pyramid

Length = n
Surface area 1.7007493218555E+18
Volume 9.1736730422217E+26
Height 934251014.94779