388889137 is an odd 9-digits composite number following 388889136
and preceding 388889138 . In scientific notation, it is written as 3.88889137 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors.
There are 307692000 positive integers (up to 388889137) that are relatively prime to 388889137.
388889137 has 12 divisors, whose sum is 487180596
The reverse of 388889137 is 731988883
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
three hundred eighty-eight million eight hundred eighty-nine thousand one hundred thirty-seven
Scientific notation
3.88889137 × 10^8
Engineering notation
3.88889137 × 10^6
Prime Factorization
7 × 7 × 13 × 610501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
55555591
Product of the distinct prime numbers
The prime factorization of 388889137 is 7 × 7 × 13 × 610501.
Since it has a total of 4 prime factors.
3 , 2 , 60 , 42 , 373 , 221 , 2025 , 7474 , 93068 , 53831 , 622577 , 468791 , 8123134 , 5594937 , 85872117 , 33135087 , 729160398 , 964269012 , 7473977037 , 7118972741
n×2
777778274
n×3
1166667411
n×4
1555556548
n×5
1944445685
n÷2
194444568.5
n÷3
129629712.33333
n÷3
97222284.25
n÷5
77777827.4
n2
151234760876604769
n3
5.8813555641704E+25
n4
2.2871952897404E+34
n5
8.894654023776E+42
2 √n
19720.272234429
3 √n
729.92001187757
4 √n
140.42888675208
5 √n
52.23542858636
1 , 7 , 13 , 49 , 91 , 637 , 610501 , 4273507 , 7936513 , 29914549 , 55555591 , 388889137
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388889136
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388889137 can be divided by 12 positive divisors.
The sum of these divisors (counting 388889137) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001011011111101000110001
3
Ternary
1000002202121121101
4
Quaternary
113023133220301
5
Quinary
1244023423022
6
Senary
102331124401
8
Octal
2713375061
10
Decimal
388889137
12
Duodecimal
aa2a3701
16
Hexadecimal
172dfa31
20
Vigesimal
61ab2gh
36
Base36
6fj8s1
md5
ef07ce063385af910126cd3e40700388
sha1
83034fd02395ad385497603b7bf93d22ee464ab5
sha256
7e7fafdcc154cc356536e6227c0e8464eaa5c32038ba45183f587582adae6d23
sha512
fee7f94bdaaae70b442aa4f346cf6742f7ccfb16819108d8e707fbcd21d1219be5a2e9fcb89099a68a7bf1c258a6ded63508b763b792cd81415b169cbfc5958f
ripemd-160
d35f386241b3d742f6d7b785b871155c8dc708e7
Diameter
777778274
Circumference
2443462511.7201
Area
4.7511801373735E+17
Volume
2.4635764578063E+26
Surface area
1.9004720549494E+18
Circumference
2443462511.7201
Perimeter
1555556548
Area
151234760876604769
Diagonal
549972291.80497
Surface area
907408565259628614
Volume
5.8813555641704E+25
Space diagonal
673575743.79561
Perimeter
1166667411
Area
6.5486572427202E+16
Altitude
336787871.89781
Surface area
6.5486572427202E+16
Volume
6.9312440033236E+24
Height
183324097.26832