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.
20139457 has 8 divisors, whose sum is 21757736
The reverse of 20139457 is 75493102
Previous prime number is 337
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred thirty-nine thousand four hundred fifty-seven
Scientific notation
2.0139457 × 10^7
Engineering notation
2.0139457 × 10^6
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.
8 , 3 , 13 , 72 , 311 , 993 , 8460 , 2288 , 36528 , 44130 , 948884 , 437311 , 9731334 , 9859565 , 16822207 , 8578113 , 10088162 , 470711054 , 671900666 , 1191390739
n×2
40278914
n×3
60418371
n×4
80557828
n×5
100697285
n÷2
10069728.5
n÷3
6713152.3333333
n÷3
5034864.25
n÷5
4027891.4
n2
405597728254849
n3
8.1685180074862E+21
n4
1.6450951716549E+29
n5
3.3131323470452E+36
2 √n
4487.7006361833
3 √n
272.07120846846
4 √n
66.990302553305
5 √n
28.894125273584
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
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
md5
c359710504f15d01dc3b5b119fde674c
sha1
2cd3cc7113503cf3a51111fd6f6ff606d81cfafe
sha256
5515a6929217fb3c3c340cf6229661a2a756656b2b74a5c6f9ebdd8d08ffb701
sha512
795005db02fc083da1adec35bc2f14ee5557a4f3299474eacd300d4f98e1bd58a6a8e701d7b822f206649699cb07e794984e42988fe70348341cdfe25a36d448
ripemd-160
745681fc353959069c3da784900c52bfec419489
Diameter
40278914
Circumference
126539940.31698
Area
1.2742228433981E+15
Volume
3.421620821738E+22
Surface area
5.0968913735926E+15
Circumference
126539940.31698
Perimeter
80557828
Area
405597728254849
Diagonal
28481493.22823
Surface area
2433586369529094
Volume
8.1685180074862E+21
Space diagonal
34882562.760849
Perimeter
60418371
Area
1.7562896819298E+14
Altitude
17441281.380424
Surface area
1.7562896819298E+14
Volume
9.6266907922299E+20
Height
9493831.0760766