1640690981 (number)

1640690981 is an odd 10-digits prime number following 1640690980 and preceding 1640690982. In scientific notation, it is written as 1.640690981 × 10^9. The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors. There are 1640690980 positive integers (up to 1640690981) that are relatively prime to 1640690981.

Interesting facts

Basic properties

Name

Name one billion six hundred forty million six hundred ninety thousand nine hundred eighty-one

Notation

Scientific notation 1.640690981 × 10^9
Engineering notation 1.640690981 × 10^9

Prime Factorization of 1640690981

Prime Factorization 1640690981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 1640690981
Product of the distinct prime numbers

The prime factorization of 1640690981 is 1640690981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 4, 51, 55, 359, 361, 106, 4921, 71203, 15003, 277420, 912148, 109265, 7281037, 85050662, 12645036, 809904386, 31660486, 2424664648, 4443295658

Basic calculations (n = 1640690981)

Multiplication

n×y
n×2 3281381962
n×3 4922072943
n×4 6562763924
n×5 8203454905

Division

n÷y
n÷2 820345490.5
n÷3 546896993.66667
n÷3 410172745.25
n÷5 328138196.2

Exponentiation

ny
n2 2691866895134742361
n3 4.4165217369E+27
n4 7.2461473811224E+36
n5 1.1888688655204E+46

Nth Root

y√n
2√n 40505.443844007
3√n 1179.4393058217
4√n 201.25964285968
5√n 69.663510886111

Divisors of 1640690981

1, 1640690981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 1640690982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 820345491
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 40505.443856351
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999998781
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1640690981 can be divided by 2 positive divisors. The sum of these divisors (counting 1640690981) is 1640690982, the average is 820345491.

Base conversion 1640690981

Base System Value
2 Binary 1100001110010101111010100100101
3 Ternary 11020100020201220122
4 Quaternary 1201302233110211
5 Quinary 11330004102411
6 Senary 430445411325
8 Octal 14162572445
10 Decimal 1640690981
12 Duodecimal 399569b45
16 Hexadecimal 61caf525
20 Vigesimal 15ce6791
36 Base36 r4tp9h

Cryptographic Hash Functions

md5 abd49f2b09ba2669d53514f9170b8ca3
sha1 be57fb0937438d8e1d9768cd82e0edc224951ca1
sha256 748f6ad2768d78e432afd5ed30bb6880a2d1da009028a0e1b48859ede736f7c9
sha512 e144d7c280317ed1f5cd7b0f549d235a930243b634c13b8249292e03ecb17b4e40392c0f09750db9ca103e88472b9562e0a0cfb591fc7337009ec886da95f68a
ripemd-160 872b79ef889554b200e5957fe77efb799e553573

1640690981 as geometric shapes

Circle

Radius = n
Diameter 3281381962
Circumference 10308765465.441
Area 8.4567492621969E+18

Sphere

Radius = n
Volume 1.8499882990753E+28
Surface area 3.3826997048787E+19
Circumference 10308765465.441

Square

Length = n
Perimeter 6562763924
Area 2691866895134742361
Diagonal 2320287436.9934

Cube

Length = n
Surface area 1.6151201370808E+19
Volume 4.4165217369E+27
Space diagonal 2841760138.612

Equilateral Triangle

Length = n
Perimeter 4922072943
Area 1.1656125573965E+18
Altitude 1420880069.306

Triangular Pyramid

Length = n
Surface area 1.1656125573965E+18
Volume 5.2049207823664E+26
Height 773429145.66447