388291245 is an odd 9-digits composite number following 388291244
and preceding 388291246 . In scientific notation, it is written as 3.88291245 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 205187904 positive integers (up to 388291245) that are relatively prime to 388291245.
388291245 has 8 divisors, whose sum is 417978880
The reverse of 388291245 is 542192883
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
three hundred eighty-eight million two hundred ninety-one thousand two hundred forty-five
Scientific notation
3.88291245 × 10^8
Engineering notation
3.88291245 × 10^6
Prime Factorization
15 × 109 × 237487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388291245
Product of the distinct prime numbers
The prime factorization of 388291245 is 15 × 109 × 237487.
Since it has a total of 3 prime factors.
6 , 7 , 65 , 49 , 890 , 348 , 5715 , 8202 , 74999 , 93370 , 267920 , 804058 , 1361224 , 6395973 , 61791746 , 42793017 , 743097169 , 853222042 , 6619791594 , 9394850673
n×2
776582490
n×3
1164873735
n×4
1553164980
n×5
1941456225
n÷2
194145622.5
n÷3
129430415
n÷3
97072811.25
n÷5
77658249
n2
150770090943650025
n3
5.8542706321273E+25
n4
2.2731620323156E+34
n5
8.8264891561457E+42
2 √n
19705.107079131
3 √n
729.54575167684
4 √n
140.37488051333
5 √n
52.219356978295
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
-388291244
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 388291245 can be divided by 8 positive divisors.
The sum of these divisors (counting 388291245) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001001001101101010101101
3
Ternary
1000001122020110020
4
Quaternary
113021031222231
5
Quinary
1243400304440
6
Senary
102310232353
8
Octal
2711155255
10
Decimal
388291245
12
Duodecimal
aa0556b9
16
Hexadecimal
1724daad
20
Vigesimal
616g825
36
Base36
6f6ffx
md5
7f4fd2f65699cf8caec94c9f0bd911a0
sha1
488423097f54b8f8e97a345fb1098096ab90e7ee
sha256
b5ee81adb50406590d25583d3a1e706903e0398ac114f253347ff79cfa75dda7
sha512
f664334749cdb1a4d910101dd4a4c396875502e90b5edc024d6a2794c932c14ce7cff8cd04e118356bb33cbbec8b52ca3db34a56fa017640dec5567cb71721d0
ripemd-160
060d9215b56dd4a19f6714fbdc50b630bf32de78
Diameter
776582490
Circumference
2439705845.4905
Area
4.7365821008964E+17
Volume
2.4522311480024E+26
Surface area
1.8946328403585E+18
Circumference
2439705845.4905
Perimeter
1553164980
Area
150770090943650025
Diagonal
549126744.82973
Surface area
904620545661900150
Volume
5.8542706321273E+25
Space diagonal
672540164.47417
Perimeter
1164873735
Area
6.5285364444046E+16
Altitude
336270082.23709
Surface area
6.5285364444046E+16
Volume
6.8993241047975E+24
Height
183042248.27658