1640991 (number)

1640991 is an odd 7-digits composite number following 1640990 and preceding 1640992. In scientific notation, it is written as 1.640991 × 10^6. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 994520 positive integers (up to 1640991) that are relatively prime to 1640991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.640991 × 10^6
Engineering notation 1.640991 × 10^6

Prime Factorization of 1640991

Prime Factorization 3 × 11 × 49727

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1640991
Product of the distinct prime numbers

The prime factorization of 1640991 is 3 × 11 × 49727. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1640991)

Multiplication

n×y
n×2 3281982
n×3 4922973
n×4 6563964
n×5 8204955

Division

n÷y
n÷2 820495.5
n÷3 546997
n÷3 410247.75
n÷5 328198.2

Exponentiation

ny
n2 2692851462081
n3 4418945013611762271
n4 7.2514489968318E+24
n5 1.189956254076E+31

Nth Root

y√n
2√n 1281.0117095484
3√n 117.95111927357
4√n 35.791223917999
5√n 17.499322696429

Divisors of 1640991

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 -1640990
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 1640991 can be divided by 8 positive divisors. The sum of these divisors (counting 1640991) is 1, the average is 0.125.

Base conversion 1640991

Base System Value
2 Binary 110010000101000011111
3 Ternary 10002101000110
4 Quaternary 12100220133
5 Quinary 410002431
6 Senary 55101103
8 Octal 6205037
10 Decimal 1640991
12 Duodecimal 671793
16 Hexadecimal 190a1f
20 Vigesimal a529b
36 Base36 z673

Cryptographic Hash Functions

md5 d424756af7722ed3eb1b482dfbd8b1ad
sha1 effdd6486549cdcf9fe0b1e28afa2ade04f44be4
sha256 5d23dfaad26e4537acb9b90ed5d66e79e10bbf38b8393ebc3864beea290333b8
sha512 313ca5187b58d5eccab0f40127650128ef731001dc28eccd6e8da4324df6cef5358752fffe181a0111f8fdd3e2d023241396994ffcd892c8637f0219dc9d365c
ripemd-160 1d83b69610fe5a7bc0b415e01dc42167c813c2db

1640991 as geometric shapes

Circle

Radius = n
Diameter 3281982
Circumference 10310650.540414
Area 8459842370482.2

Sphere

Radius = n
Volume 1.8510033588507E+19
Surface area 33839369481929
Circumference 10310650.540414

Square

Length = n
Perimeter 6563964
Area 2692851462081
Diagonal 2320711.7279322

Cube

Length = n
Surface area 16157108772486
Volume 4418945013611762271
Space diagonal 2842279.7867633

Equilateral Triangle

Length = n
Perimeter 4922973
Area 1166038887390.1
Altitude 1421139.8933816

Triangular Pyramid

Length = n
Surface area 1166038887390.1
Volume 5.2077766413589E+17
Height 773570.5759774