388628949 is an odd 9-digits composite number following 388628948
and preceding 388628950 . In scientific notation, it is written as 3.88628949 × 10^8.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 259085964 positive integers (up to 388628949) that are relatively prime to 388628949.
388628949 has 4 divisors, whose sum is 518171936
The reverse of 388628949 is 949826883
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
three hundred eighty-eight million six hundred twenty-eight thousand nine hundred forty-nine
Scientific notation
3.88628949 × 10^8
Engineering notation
3.88628949 × 10^6
Prime Factorization
3 × 129542983
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388628949
Product of the distinct prime numbers
The prime factorization of 388628949 is 3 × 129542983.
Since it has a total of 2 prime factors.
4 , 10 , 42 , 37 , 350 , 959 , 9109 , 7290 , 69109 , 10474 , 307053 , 823237 , 1527177 , 3682199 , 1082567 , 8783001 , 870552017 , 388225167 , 6084088749 , 1475985784
n×2
777257898
n×3
1165886847
n×4
1554515796
n×5
1943144745
n÷2
194314474.5
n÷3
129542983
n÷3
97157237.25
n÷5
77725789.8
n2
151032460000844601
n3
5.8695586195013E+25
n4
2.2810803973907E+34
n5
8.8649387742244E+42
2 √n
19713.674162875
3 √n
729.75719015407
4 √n
140.40539221438
5 √n
52.228437046039
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388628948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388628949 can be divided by 4 positive divisors.
The sum of these divisors (counting 388628949) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010100000000111010101
3
Ternary
1000002021101200210
4
Quaternary
113022200013111
5
Quinary
1243442111244
6
Senary
102321400033
8
Octal
2712400725
10
Decimal
388628949
12
Duodecimal
aa199019
16
Hexadecimal
172a01d5
20
Vigesimal
618ic79
36
Base36
6fdo0l
md5
24aa9eb538b3fc52a0faa0e4ba5e8ce7
sha1
ff4f584864e62df91bed660cdbd43dfedbe6632e
sha256
e58014fc667551dffdac83e369036699809655058767682df854c11a9a7df288
sha512
0a7793418a3c9905560bdfb75f64604fa070c65ec22c19f2e00c8fca4dfe9c0aea6f3e7c513fdca2b72534e71a70107575f933c8d0453dce63017225ba4620ee
ripemd-160
51cf5f1eecd65d4e7a3c248538357193a55d21cc
Diameter
777257898
Circumference
2441827702.3014
Area
4.7448246679225E+17
Volume
2.4586349651786E+26
Surface area
1.897929867169E+18
Circumference
2441827702.3014
Perimeter
1554515796
Area
151032460000844601
Diagonal
549604330.4066
Surface area
906194760005067606
Volume
5.8695586195013E+25
Space diagonal
673125084.96009
Perimeter
1165886847
Area
6.5398973578394E+16
Altitude
336562542.48005
Surface area
6.5398973578394E+16
Volume
6.9173411707022E+24
Height
183201443.46887