20139457 (number)

20139457 is an odd 8-digits composite number following 20139456 and preceding 20139458. In scientific notation, it is written as 2.0139457 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 18531072 positive integers (up to 20139457) that are relatively prime to 20139457.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-nine thousand four hundred fifty-seven

Notation

Scientific notation 2.0139457 × 10^7
Engineering notation 2.0139457 × 10^6

Prime Factorization of 20139457

Prime Factorization 13 × 337 × 4597

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20139457
Product of the distinct prime numbers

The prime factorization of 20139457 is 13 × 337 × 4597. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20139457)

Multiplication

n×y
n×2 40278914
n×3 60418371
n×4 80557828
n×5 100697285

Division

n÷y
n÷2 10069728.5
n÷3 6713152.3333333
n÷3 5034864.25
n÷5 4027891.4

Exponentiation

ny
n2 405597728254849
n3 8.1685180074862E+21
n4 1.6450951716549E+29
n5 3.3131323470452E+36

Nth Root

y√n
2√n 4487.7006361833
3√n 272.07120846846
4√n 66.990302553305
5√n 28.894125273584

Divisors of 20139457

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 -20139456
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 20139457 can be divided by 8 positive divisors. The sum of these divisors (counting 20139457) is 1, the average is 0.125.

Base conversion 20139457

Base System Value
2 Binary 1001100110100110111000001
3 Ternary 1101220012010211
4 Quaternary 1030310313001
5 Quinary 20123430312
6 Senary 1555354121
8 Octal 114646701
10 Decimal 20139457
12 Duodecimal 68b2941
16 Hexadecimal 1334dc1
20 Vigesimal 65h8ch
36 Base36 bznpd

Cryptographic Hash Functions

md5 c359710504f15d01dc3b5b119fde674c
sha1 2cd3cc7113503cf3a51111fd6f6ff606d81cfafe
sha256 5515a6929217fb3c3c340cf6229661a2a756656b2b74a5c6f9ebdd8d08ffb701
sha512 795005db02fc083da1adec35bc2f14ee5557a4f3299474eacd300d4f98e1bd58a6a8e701d7b822f206649699cb07e794984e42988fe70348341cdfe25a36d448
ripemd-160 745681fc353959069c3da784900c52bfec419489

20139457 as geometric shapes

Circle

Radius = n
Diameter 40278914
Circumference 126539940.31698
Area 1.2742228433981E+15

Sphere

Radius = n
Volume 3.421620821738E+22
Surface area 5.0968913735926E+15
Circumference 126539940.31698

Square

Length = n
Perimeter 80557828
Area 405597728254849
Diagonal 28481493.22823

Cube

Length = n
Surface area 2433586369529094
Volume 8.1685180074862E+21
Space diagonal 34882562.760849

Equilateral Triangle

Length = n
Perimeter 60418371
Area 1.7562896819298E+14
Altitude 17441281.380424

Triangular Pyramid

Length = n
Surface area 1.7562896819298E+14
Volume 9.6266907922299E+20
Height 9493831.0760766