19938991 (number)

19938991 is an odd 8-digits composite number following 19938990 and preceding 19938992. In scientific notation, it is written as 1.9938991 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 19600984 positive integers (up to 19938991) that are relatively prime to 19938991.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred thirty-eight thousand nine hundred ninety-one

Notation

Scientific notation 1.9938991 × 10^7
Engineering notation 1.9938991 × 10^6

Prime Factorization of 19938991

Prime Factorization 59 × 337949

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19938991
Product of the distinct prime numbers

The prime factorization of 19938991 is 59 × 337949. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19938991)

Multiplication

n×y
n×2 39877982
n×3 59816973
n×4 79755964
n×5 99694955

Division

n÷y
n÷2 9969495.5
n÷3 6646330.3333333
n÷3 4984747.75
n÷5 3987798.2

Exponentiation

ny
n2 397563362098081
n3 7.9270122988034E+21
n4 1.5805662688273E+29
n5 3.1514896609051E+36

Nth Root

y√n
2√n 4465.3097316984
3√n 271.16547402761
4√n 66.822973083352
5√n 28.836373063553

Divisors of 19938991

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 -19938990
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 19938991 can be divided by 4 positive divisors. The sum of these divisors (counting 19938991) is 1, the average is 0.25.

Base conversion 19938991

Base System Value
2 Binary 1001100000011111010101111
3 Ternary 1101112000011011
4 Quaternary 1030003322233
5 Quinary 20101021431
6 Senary 1551210051
8 Octal 114037257
10 Decimal 19938991
12 Duodecimal 6816927
16 Hexadecimal 1303eaf
20 Vigesimal 64c79b
36 Base36 bvd0v

Cryptographic Hash Functions

md5 71f284754c89c4ba02b711cdfc0da366
sha1 f8cd8c16625d88d7ff2d8d90fd7977136d2e7ecc
sha256 a5e298fd97f821ed724c070491bac91a3f54a9b9a4a39d3a12efd14489a51c54
sha512 2d726eb4f0efce2c4d6ab22ac4ee107348c1733030220cce3d8c03a3c125c948ce8f82df89a98a40979b0980105f157f0de9b199238d049b7e4b3f4dd68517aa
ripemd-160 9c3ec871c21ddba6c43cd867e203cd9a9c0146ba

19938991 as geometric shapes

Circle

Radius = n
Diameter 39877982
Circumference 125280375.29119
Area 1.2489821377038E+15

Sphere

Radius = n
Volume 3.3204591470449E+22
Surface area 4.9959285508152E+15
Circumference 125280375.29119

Square

Length = n
Perimeter 79755964
Area 397563362098081
Diagonal 28197991.492235

Cube

Length = n
Surface area 2385380172588486
Volume 7.9270122988034E+21
Space diagonal 34535345.463659

Equilateral Triangle

Length = n
Perimeter 59816973
Area 1.7214998559544E+14
Altitude 17267672.731829

Triangular Pyramid

Length = n
Surface area 1.7214998559544E+14
Volume 9.3420735850551E+20
Height 9399330.4974117