1640991081 (number)

1640991081 is an odd 10-digits composite number following 1640991080 and preceding 1640991082. In scientific notation, it is written as 1.640991081 × 10^9. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 1080145872 positive integers (up to 1640991081) that are relatively prime to 1640991081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.640991081 × 10^9
Engineering notation 1.640991081 × 10^9

Prime Factorization of 1640991081

Prime Factorization 3 × 79 × 6924013

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1640991081
Product of the distinct prime numbers

The prime factorization of 1640991081 is 3 × 79 × 6924013. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 7, 6, 53, 446, 253, 3252, 9825, 43759, 42263, 108564, 220113, 8696520, 3551226, 8610889, 32175682, 697192114, 794109920, 284440032, 7835282845

Basic calculations (n = 1640991081)

Multiplication

n×y
n×2 3281982162
n×3 4922973243
n×4 6563964324
n×5 8204955405

Division

n÷y
n÷2 820495540.5
n÷3 546997027
n÷3 410247770.25
n÷5 328198216.2

Exponentiation

ny
n2 2692851727921548561
n3 4.4189456679747E+27
n4 7.2514504285701E+36
n5 1.1899565477597E+46

Nth Root

y√n
2√n 40509.148114963
3√n 1179.5112121428
4√n 201.268845366
5√n 69.66605914053

Divisors of 1640991081

1, 3, 79, 237, 6924013, 20772039, 546997027, 1640991081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1640991080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1640991081 can be divided by 8 positive divisors. The sum of these divisors (counting 1640991081) is 1, the average is 0.125.

Base conversion 1640991081

Base System Value
2 Binary 1100001110011111000100101101001
3 Ternary 11020100210222120110
4 Quaternary 1201303320211221
5 Quinary 11330043203311
6 Senary 430500044533
8 Octal 14163704551
10 Decimal 1640991081
12 Duodecimal 399693749
16 Hexadecimal 61cf8969
20 Vigesimal 15cg3he1
36 Base36 r504tl

Cryptographic Hash Functions

md5 4b8373dab6e199a1f41e0cda3fadcaad
sha1 620b3800dc222ea555da1de2da75f91349454ba1
sha256 7eef67c68cff4ea4a4a2942e7a9d6c063569c06e495521ed60844a8c3160f3cf
sha512 12fc94472bcad4a27f34d4aaa93310d29bd09a5579fa3f095a3d26d4bf8f13ce19223fcc96428af49e747f1a5c4360fdf676777c47978bddeeff10210d40637b
ripemd-160 549c27c893404db35b9d2457b730dfc7c2344742

1640991081 as geometric shapes

Circle

Radius = n
Diameter 3281982162
Circumference 10310651049.352
Area 8.4598432056449E+18

Sphere

Radius = n
Volume 1.8510036329496E+28
Surface area 3.383937282258E+19
Circumference 10310651049.352

Square

Length = n
Perimeter 6563964324
Area 2692851727921548561
Diagonal 2320711842.4835

Cube

Length = n
Surface area 1.6157110367529E+19
Volume 4.4189456679747E+27
Space diagonal 2842279927.0594

Equilateral Triangle

Length = n
Perimeter 4922973243
Area 1.1660390025024E+18
Altitude 1421139963.5297

Triangular Pyramid

Length = n
Surface area 1.1660390025024E+18
Volume 5.207777412533E+26
Height 773570614.16116