19997870 (number)

19997870 is an even 8-digits composite number following 19997869 and preceding 19997871. In scientific notation, it is written as 1.9997870 × 10^7. The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors. There are 7977600 positive integers (up to 19997870) that are relatively prime to 19997870.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-seven thousand eight hundred seventy

Notation

Scientific notation 1.9997870 × 10^7
Engineering notation 1.9997870 × 10^6

Prime Factorization of 19997870

Prime Factorization 2 × 5 × 401 × 4987

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19997870
Product of the distinct prime numbers

The prime factorization of 19997870 is 2 × 5 × 401 × 4987. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 11, 33, 219, 64, 7540, 2525, 39395, 52968, 887203, 150765, 767069, 5277906, 44424240, 28463932, 335281087, 58046161, 6121023563, 9807430938

Basic calculations (n = 19997870)

Multiplication

n×y
n×2 39995740
n×3 59993610
n×4 79991480
n×5 99989350

Division

n÷y
n÷2 9998935
n÷3 6665956.6666667
n÷3 4999467.5
n÷5 3999574

Exponentiation

ny
n2 399914804536900
n3 7.9974442722043E+21
n4 1.5993185088779E+29
n5 3.1982963629133E+36

Nth Root

y√n
2√n 4471.8978074191
3√n 271.43212513485
4√n 66.872249905466
5√n 28.853383501801

Divisors of 19997870

1, 2, 5, 10, 401, 802, 2005, 4010, 4987, 9974, 24935, 49870, 1999787, 3999574, 9998935, 19997870

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19997869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19997870 can be divided by 16 positive divisors. The sum of these divisors (counting 19997870) is 1, the average is 0.0625.

Base conversion 19997870

Base System Value
2 Binary 1001100010010010010101110
3 Ternary 1101121222220212
4 Quaternary 1030102102232
5 Quinary 20104412440
6 Senary 1552342422
8 Octal 114222256
10 Decimal 19997870
12 Duodecimal 6844a12
16 Hexadecimal 13124ae
20 Vigesimal 64jeda
36 Base36 bwmge

Cryptographic Hash Functions

md5 7d81ca92df268b4d9ea90d0838b065e1
sha1 a545186a4107d49d87a5e1992bb96b8fec784a92
sha256 c8dafe89451ae6212efccb53438e0b48736313dd18c92e62144a35072845cac4
sha512 dbe7532032a8dc425f1af54fc024be42508be4233b93c0a974b17bc5babffaddccbf5eba5695d50248393299e28391ff55f2e192fb20e4ca6c8511171e6810db
ripemd-160 dca9bede6a0e5b0ad68e0684f83a03dd8643151f

19997870 as geometric shapes

Circle

Radius = n
Diameter 39995740
Circumference 125650322.95889
Area 1.2563694119949E+15

Sphere

Radius = n
Volume 3.3499616230735E+22
Surface area 5.0254776479797E+15
Circumference 125650322.95889

Square

Length = n
Perimeter 79991480
Area 399914804536900
Diagonal 28281258.972574

Cube

Length = n
Surface area 2399488827221400
Volume 7.9974442722043E+21
Space diagonal 34637326.883157

Equilateral Triangle

Length = n
Perimeter 59993610
Area 1.7316819003922E+14
Altitude 17318663.441579

Triangular Pyramid

Length = n
Surface area 1.7316819003922E+14
Volume 9.4250784617287E+20
Height 9427086.3241914