19977891 (number)

19977891 is an odd 8-digits composite number following 19977890 and preceding 19977892. In scientific notation, it is written as 1.9977891 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 12958560 positive integers (up to 19977891) that are relatively prime to 19977891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9977891 × 10^7
Engineering notation 1.9977891 × 10^6

Prime Factorization of 19977891

Prime Factorization 3 × 37 × 179981

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19977891
Product of the distinct prime numbers

The prime factorization of 19977891 is 3 × 37 × 179981. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19977891)

Multiplication

n×y
n×2 39955782
n×3 59933673
n×4 79911564
n×5 99889455

Division

n÷y
n÷2 9988945.5
n÷3 6659297
n÷3 4994472.75
n÷5 3995578.2

Exponentiation

ny
n2 399116128807881
n3 7.9734985176658E+21
n4 1.5929368427459E+29
n5 3.1823518614262E+36

Nth Root

y√n
2√n 4469.6634101462
3√n 271.34170301534
4√n 66.855541357065
5√n 28.847615965016

Divisors of 19977891

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 -19977890
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 19977891 can be divided by 8 positive divisors. The sum of these divisors (counting 19977891) is 1, the average is 0.125.

Base conversion 19977891

Base System Value
2 Binary 1001100001101011010100011
3 Ternary 1101120222111220
4 Quaternary 1030031122203
5 Quinary 20103243031
6 Senary 1552110123
8 Octal 114153243
10 Decimal 19977891
12 Duodecimal 6835343
16 Hexadecimal 130d6a3
20 Vigesimal 64h4eb
36 Base36 bw71f

Cryptographic Hash Functions

md5 396b3221cc42bee766a582040629ec51
sha1 629de4bd745c1b0deeda700aedc2a9f7951eefcd
sha256 de683e9012ce033c82f7a141b2335ddbaf0769e156ba48139724caf01fc83a32
sha512 a5e62f6378ee03e76880c39d123accfb2081f491550c5baa341561b560e364b9fea9a4e9e9aaf3450830c6d208e16795ad51253a96f30d2207dc1d63d1a74c3b
ripemd-160 3377592e917fbea5c8cae2ce428fb493984bbdac

19977891 as geometric shapes

Circle

Radius = n
Diameter 39955782
Circumference 125524791.19964
Area 1.253860298192E+15

Sphere

Radius = n
Volume 3.3399312488677E+22
Surface area 5.0154411927681E+15
Circumference 125524791.19964

Square

Length = n
Perimeter 79911564
Area 399116128807881
Diagonal 28253004.399811

Cube

Length = n
Surface area 2394696772847286
Volume 7.9734985176658E+21
Space diagonal 34602722.240073

Equilateral Triangle

Length = n
Perimeter 59933673
Area 1.7282235330386E+14
Altitude 17301361.120037

Triangular Pyramid

Length = n
Surface area 1.7282235330386E+14
Volume 9.3968581193706E+20
Height 9417668.1332705