388906913 is an odd 9-digits prime number following 388906912
and preceding 388906914 . In scientific notation, it is written as 3.88906913 × 10^8.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 388906912 positive integers (up to 388906913) that are relatively prime to 388906913.
388906913 has 2 divisors, whose sum is 388906914
The reverse of 388906913 is 319609883
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
three hundred eighty-eight million nine hundred six thousand nine hundred thirteen
Scientific notation
3.88906913 × 10^8
Engineering notation
3.88906913 × 10^6
Prime Factorization
388906913
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
388906913
Product of the distinct prime numbers
The prime factorization of 388906913 is 388906913.
Since it has a total of 1 prime factors.
2 , 8 , 97 , 11 , 143 , 534 , 5707 , 7247 , 10578 , 17742 , 914201 , 372352 , 5573130 , 3361269 , 24034782 , 2165326 , 81345589 , 58091694 , 4493692871 , 4315773671
n×2
777813826
n×3
1166720739
n×4
1555627652
n×5
1944534565
n÷2
194453456.5
n÷3
129635637.66667
n÷3
97226728.25
n÷5
77781382.6
n2
151248586979189569
n3
5.8821621057689E+25
n4
2.2876135063201E+34
n5
8.8966870688007E+42
2 √n
19720.722932996
3 √n
729.93113317943
4 √n
140.43049146463
5 √n
52.235906110628
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
388906914
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
194453457
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19720.72295835
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999948574
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388906913 can be divided by 2 positive divisors.
The sum of these divisors (counting 388906913) is 388906914, the average is 194453457.
Base
System
Value
2
Binary
10111001011100011111110100001
3
Ternary
1000002210111222202
4
Quaternary
113023203332201
5
Quinary
1244030010123
6
Senary
102331342545
8
Octal
2713437641
10
Decimal
388906913
12
Duodecimal
aa2b1a55
16
Hexadecimal
172e3fa1
20
Vigesimal
61ad75d
36
Base36
6fjmht
md5
eaf86eabaea07dae221e439e33a18acb
sha1
4906298f729fc5c97182b60ad8db572f89c46967
sha256
b7b0494df820ac2cee624f576170ec24473b099290934ab2eb9d9f931aa14208
sha512
4eb27bc46bed0325c429ee19b083e65e7e4c1390df0963062f5fc745d8970f0e45884c962e7473e7e8b0be17ce7b24336fa5d1c6bda1b694740e973304bbf779
ripemd-160
81d28f29fbfc5a9079e56a806e57b4c238c9187c
Diameter
777813826
Circumference
2443574201.6222
Area
4.7516144971966E+17
Volume
2.463914301161E+26
Surface area
1.9006457988786E+18
Circumference
2443574201.6222
Perimeter
1555627652
Area
151248586979189569
Diagonal
549997430.86525
Surface area
907491521875137414
Volume
5.8821621057689E+25
Space diagonal
673606532.73077
Perimeter
1166720739
Area
6.5492559305239E+16
Altitude
336803266.36538
Surface area
6.5492559305239E+16
Volume
6.9321945217128E+24
Height
183332476.95508