19957 (number)

19957 is an odd 5-digits composite number following 19956 and preceding 19958. In scientific notation, it is written as 1.9957 × 10^4. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 17100 positive integers (up to 19957) that are relatively prime to 19957.

Interesting facts

Basic properties

Name

Name nineteen thousand nine hundred fifty-seven

Notation

Scientific notation 1.9957 × 10^4
Engineering notation 1.9957 × 10^3

Prime Factorization of 19957

Prime Factorization 7 × 2851

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19957
Product of the distinct prime numbers

The prime factorization of 19957 is 7 × 2851. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 9, 16, 48, 985, 539, 6843, 4019, 60550, 94596, 18286, 997512, 8720405, 5214936, 69029689, 6872625, 321220007, 909185132, 6019013537, 6819107174

Basic calculations (n = 19957)

Multiplication

n×y
n×2 39914
n×3 59871
n×4 79828
n×5 99785

Division

n÷y
n÷2 9978.5
n÷3 6652.3333333333
n÷3 4989.25
n÷5 3991.4

Exponentiation

ny
n2 398281849
n3 7948510860493
n4 158628431242858801
n5 3.1657476023137E+21

Nth Root

y√n
2√n 141.26924647637
3√n 27.12470888147
4√n 11.885674001771
5√n 7.2446774005252

Divisors of 19957

1, 7, 2851, 19957

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 -19956
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 19957 can be divided by 4 positive divisors. The sum of these divisors (counting 19957) is 1, the average is 0.25.

Base conversion 19957

Base System Value
2 Binary 100110111110101
3 Ternary 1000101011
4 Quaternary 10313311
5 Quinary 1114312
6 Senary 232221
8 Octal 46765
10 Decimal 19957
12 Duodecimal b671
16 Hexadecimal 4df5
20 Vigesimal 29hh
36 Base36 fed

Cryptographic Hash Functions

md5 d0231cd3ec12768a73c40062ca8eda79
sha1 fd25a5b7b49355464296e05843f71a246bc8edaf
sha256 c71559cef42edaff27b0e9a74c69b8df771ed854c6b2362ebd811fcaf6a13d2e
sha512 6bf6299505848f11fdbdac141d9c3052b34a2a4c708bf988d6321cc2168b9f332ca2a8f1858dafe9952ebfbaa915ad3a580dc401afff2af32a3df6f50a9ff361
ripemd-160 ae4f8214345e8a90e7bc0c30eedb61874319eb72

19957 as geometric shapes

Circle

Radius = n
Diameter 39914
Circumference 125393.52917538
Area 1251239330.8766

Sphere

Radius = n
Volume 33294644435071
Surface area 5004957323.5062
Circumference 125393.52917538

Square

Length = n
Perimeter 79828
Area 398281849
Diagonal 28223.46006428

Cube

Length = n
Surface area 2389691094
Volume 7948510860493
Space diagonal 34566.537966652

Equilateral Triangle

Length = n
Perimeter 59871
Area 172461099.55012
Altitude 17283.268983326

Triangular Pyramid

Length = n
Surface area 172461099.55012
Volume 936740988298.25
Height 9407.8200214266