20139947 (number)

20139947 is an odd 8-digits composite number following 20139946 and preceding 20139948. In scientific notation, it is written as 2.0139947 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 19759896 positive integers (up to 20139947) that are relatively prime to 20139947.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-nine thousand nine hundred forty-seven

Notation

Scientific notation 2.0139947 × 10^7
Engineering notation 2.0139947 × 10^6

Prime Factorization of 20139947

Prime Factorization 53 × 379999

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20139947
Product of the distinct prime numbers

The prime factorization of 20139947 is 53 × 379999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20139947)

Multiplication

n×y
n×2 40279894
n×3 60419841
n×4 80559788
n×5 100699735

Division

n÷y
n÷2 10069973.5
n÷3 6713315.6666667
n÷3 5034986.75
n÷5 4027989.4

Exponentiation

ny
n2 405617465162809
n3 8.1691142506533E+21
n4 1.645255280451E+29
n5 3.3135354149754E+36

Nth Root

y√n
2√n 4487.7552295106
3√n 272.07341497964
4√n 66.990710023933
5√n 28.894265873041

Divisors of 20139947

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 -20139946
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 20139947 can be divided by 4 positive divisors. The sum of these divisors (counting 20139947) is 1, the average is 0.25.

Base conversion 20139947

Base System Value
2 Binary 1001100110100111110101011
3 Ternary 1101220012210222
4 Quaternary 1030310332223
5 Quinary 20123434242
6 Senary 1555400255
8 Octal 114647653
10 Decimal 20139947
12 Duodecimal 68b308b
16 Hexadecimal 1334fab
20 Vigesimal 65h9h7
36 Base36 bzo2z

Cryptographic Hash Functions

md5 fbc9e97dfc79ed60ddbe037df7e50e8c
sha1 5687cec9b74b17b346916c5a7e220925172a8b15
sha256 717e5622e49eca228ec88873fb2a9236e858dc1b525ad30f1c519be01fd22fc2
sha512 3882fe75dbaa2d53926e9c1a7718f98baf3ff0f0aa70cdc0b6ac4065208127437f196d295eda3b0ae272b513d526ce02d2f61816fc7a2b8ef5a24c7053dbb994
ripemd-160 f7851c6a40814d2323d2b6492ce3f634b56d98b9

20139947 as geometric shapes

Circle

Radius = n
Diameter 40279894
Circumference 126543019.07778
Area 1.2742848487232E+15

Sphere

Radius = n
Volume 3.4218705754918E+22
Surface area 5.0971393948928E+15
Circumference 126543019.07778

Square

Length = n
Perimeter 80559788
Area 405617465162809
Diagonal 28482186.192875

Cube

Length = n
Surface area 2433704790976854
Volume 8.1691142506533E+21
Space diagonal 34883411.465744

Equilateral Triangle

Length = n
Perimeter 60419841
Area 1.7563751452482E+14
Altitude 17441705.732872

Triangular Pyramid

Length = n
Surface area 1.7563751452482E+14
Volume 9.627393471541E+20
Height 9494062.0642918