1991409 (number)

1991409 is an odd 7-digits composite number following 1991408 and preceding 1991410. In scientific notation, it is written as 1.991409 × 10^6. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 997920 positive integers (up to 1991409) that are relatively prime to 1991409.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety-one thousand four hundred nine

Notation

Scientific notation 1.991409 × 10^6
Engineering notation 1.991409 × 10^6

Prime Factorization of 1991409

Prime Factorization 21 × 7 × 23 × 31 × 19

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1991409
Product of the distinct prime numbers

The prime factorization of 1991409 is 21 × 7 × 23 × 31 × 19. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 5, 18, 38, 612, 399, 7715, 3344, 57406, 74266, 31667, 414562, 8956307, 7587500, 34156890, 66855220, 600671474, 173290431, 8249091790, 1426083395

Basic calculations (n = 1991409)

Multiplication

n×y
n×2 3982818
n×3 5974227
n×4 7965636
n×5 9957045

Division

n÷y
n÷2 995704.5
n÷3 663803
n÷3 497852.25
n÷5 398281.8

Exponentiation

ny
n2 3965709805281
n3 7897350197624830929
n4 1.5726854259702E+25
n5 3.1318599114459E+31

Nth Root

y√n
2√n 1411.1729164068
3√n 125.81144637335
4√n 37.565581539579
5√n 18.189974620272

Divisors of 1991409

1, 7, 19, 21, 23, 31, 133, 147, 161, 217, 399, 437, 483, 589, 651, 713, 2793, 3059, 3381, 4123, 4557, 4991, 9177, 12369, 13547, 14973, 64239, 86583, 94829, 104811, 284487, 1991409

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1991408
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1991409 can be divided by 32 positive divisors. The sum of these divisors (counting 1991409) is 1, the average is 0.03125.

Base conversion 1991409

Base System Value
2 Binary 111100110001011110001
3 Ternary 10202011200220
4 Quaternary 13212023301
5 Quinary 1002211114
6 Senary 110403253
8 Octal 7461361
10 Decimal 1991409
12 Duodecimal 800529
16 Hexadecimal 1e62f1
20 Vigesimal c8ia9
36 Base36 16okx

Cryptographic Hash Functions

md5 caf5d63592c7a661a8d784fafc4728ce
sha1 ffdac7faa864609e9a99e09b27d9ba1dd17fedaa
sha256 36517f8254196dbf97b04ba4cac342319d8308631c2a0b97a33e84f9093504af
sha512 5cfa34caea7d2b5b999a035ec84ea766e08efafffee8fa202361a8cfbe77615cf35056b03dfda9e15359fd4c1c45ff9ec624be9d5dde3a9aa36a0e941a1e74f6
ripemd-160 6ace1e1dafeb4b283266684ff9aacf41f767a351

1991409 as geometric shapes

Circle

Radius = n
Diameter 3982818
Circumference 12512391.769385
Area 12458644790540

Sphere

Radius = n
Volume 3.3080343151579E+19
Surface area 49834579162159
Circumference 12512391.769385

Square

Length = n
Perimeter 7965636
Area 3965709805281
Diagonal 2816277.6160318

Cube

Length = n
Surface area 23794258831686
Volume 7897350197624830929
Space diagonal 3449221.5666499

Equilateral Triangle

Length = n
Perimeter 5974227
Area 1717202717705.2
Altitude 1724610.783325

Triangular Pyramid

Length = n
Surface area 1717202717705.2
Volume 9.3071164635757E+17
Height 938759.20534395