388889140 is an even 9-digits composite number following 388889139
and preceding 388889141 . In scientific notation, it is written as 3.88889140 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 155555648 positive integers (up to 388889140) that are relatively prime to 388889140.
388889140 has 12 divisors, whose sum is 816667236
The reverse of 388889140 is 041988883
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
three hundred eighty-eight million eight hundred eighty-nine thousand one hundred forty
Scientific notation
3.88889140 × 10^8
Engineering notation
3.88889140 × 10^6
Prime Factorization
2 × 2 × 5 × 19444457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
194444570
Product of the distinct prime numbers
The prime factorization of 388889140 is 2 × 2 × 5 × 19444457.
Since it has a total of 4 prime factors.
9 , 6 , 29 , 93 , 561 , 873 , 2237 , 113 , 8917 , 5301 , 280746 , 436571 , 8317631 , 2400310 , 57114608 , 84584993 , 759353684 , 489264823 , 4448560281 , 8334148216
n×2
777778280
n×3
1166667420
n×4
1555556560
n×5
1944445700
n÷2
194444570
n÷3
129629713.33333
n÷3
97222285
n÷5
77777828
n2
151234763209939600
n3
5.8813557002817E+25
n4
2.2871953603166E+34
n5
8.8946543668553E+42
2 √n
19720.272310493
3 √n
729.92001375451
4 √n
140.42888702291
5 √n
52.235428666952
1 , 2 , 4 , 5 , 10 , 20 , 19444457 , 38888914 , 77777828 , 97222285 , 194444570 , 388889140
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
-388889139
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 388889140 can be divided by 12 positive divisors.
The sum of these divisors (counting 388889140) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001011011111101000110100
3
Ternary
1000002202121121111
4
Quaternary
113023133220310
5
Quinary
1244023423030
6
Senary
102331124404
8
Octal
2713375064
10
Decimal
388889140
12
Duodecimal
aa2a3704
16
Hexadecimal
172dfa34
20
Vigesimal
61ab2h0
36
Base36
6fj8s4
md5
6de42bf7ce0fcb346558fb6ec23ea0af
sha1
a12820736d2c9f87db755006bccce3779f8b5400
sha256
159a71ee40527f85062da97d16c9c35b3606c59cae3354ba4a885b0b1fa081b2
sha512
7097802de93a20e35e66d09a20170a0dd0632e677d6a6438b459e0e8c2ed65690f5d909ff83d63d9ddbad453d508b1a31cf6aa035adb95cc905d29e4ec77fbd4
ripemd-160
24b337d4c5e7ffb638261855c7387cbb39cfd402
Diameter
777778280
Circumference
2443462530.5697
Area
4.7511802106774E+17
Volume
2.4635765148205E+26
Surface area
1.900472084271E+18
Circumference
2443462530.5697
Perimeter
1555556560
Area
151234763209939600
Diagonal
549972296.04761
Surface area
907408579259637600
Volume
5.8813557002817E+25
Space diagonal
673575748.99177
Perimeter
1166667420
Area
6.5486573437566E+16
Altitude
336787874.49588
Surface area
6.5486573437566E+16
Volume
6.9312441637322E+24
Height
183324098.68254