1691 (number)

1691 is an odd 4-digits composite number following 1690 and preceding 1692. In scientific notation, it is written as 1.691 × 10^3. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 1584 positive integers (up to 1691) that are relatively prime to 1691.

Interesting facts

Basic properties

Name

Name one thousand six hundred ninety-one

Notation

Scientific notation 1.691 × 10^3
Engineering notation 1.691 × 10^3

Prime Factorization of 1691

Prime Factorization 19 × 89

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1691
Product of the distinct prime numbers

The prime factorization of 1691 is 19 × 89. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1691)

Multiplication

n×y
n×2 3382
n×3 5073
n×4 6764
n×5 8455

Division

n÷y
n÷2 845.5
n÷3 563.66666666667
n÷3 422.75
n÷5 338.2

Exponentiation

ny
n2 2859481
n3 4835382371
n4 8176631589361
n5 13826684017609451

Nth Root

y√n
2√n 41.121770389904
3√n 11.913733174181
4√n 6.4126258576268
5√n 4.4221016512056

Divisors of 1691

1, 19, 89, 1691

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1690
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1691 can be divided by 4 positive divisors. The sum of these divisors (counting 1691) is 1, the average is 0.25.

Base conversion 1691

Base System Value
2 Binary 11010011011
3 Ternary 2022122
4 Quaternary 122123
5 Quinary 23231
6 Senary 11455
8 Octal 3233
10 Decimal 1691
12 Duodecimal b8b
16 Hexadecimal 69b
20 Vigesimal 44b
36 Base36 1az

Cryptographic Hash Functions

md5 8303a79b1e19a194f1875981be5bdb6f
sha1 2bd746386e7303c37c516ce228d22b96e3bac1f5
sha256 70399d63b169b1ae4b8c6e7ae9a75df6dbf0d7776e55545bdf6c46c97ef59185
sha512 88cd9d500192656aadde9359332fcb3d623536fb0ec4c2b9baa06c385909c1e235bc01b48a826ab30d640787a9c39397b1ca61e07770b7ee49d684fbccbeb71b
ripemd-160 952c6afa9af14e49b6bdd6080868405d96e2bfdb

1691 as geometric shapes

Circle

Radius = n
Diameter 3382
Circumference 10624.866354441
Area 8983324.5026796

Sphere

Radius = n
Volume 20254402312.042
Surface area 35933298.010718
Circumference 10624.866354441

Square

Length = n
Perimeter 6764
Area 2859481
Diagonal 2391.4351339729

Cube

Length = n
Surface area 17156886
Volume 4835382371
Space diagonal 2928.897915599

Equilateral Triangle

Length = n
Perimeter 5073
Area 1238191.5938195
Altitude 1464.4489577995

Triangular Pyramid

Length = n
Surface area 1238191.5938195
Volume 569855277.36066
Height 797.14504465763