388957881 is an odd 9-digits composite number following 388957880
and preceding 388957882 . In scientific notation, it is written as 3.88957881 × 10^8.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 239207040 positive integers (up to 388957881) that are relatively prime to 388957881.
388957881 has 8 divisors, whose sum is 399184000
The reverse of 388957881 is 188759883
Previous prime number is 3271
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
three hundred eighty-eight million nine hundred fifty-seven thousand eight hundred eighty-one
Scientific notation
3.88957881 × 10^8
Engineering notation
3.88957881 × 10^6
Prime Factorization
39 × 3271 × 3049
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388957881
Product of the distinct prime numbers
The prime factorization of 388957881 is 39 × 3271 × 3049.
Since it has a total of 3 prime factors.
6 , 4 , 75 , 14 , 658 , 634 , 4368 , 5670 , 93488 , 41377 , 717328 , 273239 , 8134442 , 700643 , 4092945 , 67923157 , 235947162 , 532970704 , 9819948547 , 7882185602
n×2
777915762
n×3
1166873643
n×4
1555831524
n×5
1944789405
n÷2
194478940.5
n÷3
129652627
n÷3
97239470.25
n÷5
77791576.2
n2
151288233192010161
n3
5.8844750602598E+25
n4
2.288812950236E+34
n5
8.9025183512915E+42
2 √n
19722.015135376
3 √n
729.96301870581
4 √n
140.43509225039
5 √n
52.237275188944
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
-388957880
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 388957881 can be divided by 8 positive divisors.
The sum of these divisors (counting 388957881) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001011110000011010111001
3
Ternary
1000002220002220110
4
Quaternary
113023300122321
5
Quinary
1244033123011
6
Senary
102332414533
8
Octal
2713603271
10
Decimal
388957881
12
Duodecimal
aa317449
16
Hexadecimal
172f06b9
20
Vigesimal
61ajee1
36
Base36
6fkptl
md5
c0ce99905d434476a4988397421375ce
sha1
2409c3a20d045f3b11cce3aae781e87c208af91c
sha256
8466deece401dfa6bcb7606b682f27eb95f824ddf087c2c6d335548819230939
sha512
a70f03cdfbff73b31c9c078174f933668de074617890bf601a039e281332dd8747610c7fca0ccc1733ebfb281e63ec4577142296e71fe07236fed6fd190eccaa
ripemd-160
f4e6771561a5de118b8a33f8baf23c9cba5fd0b0
Diameter
777915762
Circumference
2443894443.0109
Area
4.752860019706E+17
Volume
2.4648831492726E+26
Surface area
1.9011440078824E+18
Circumference
2443894443.0109
Perimeter
1555831524
Area
151288233192010161
Diagonal
550069510.5021
Surface area
907729399152060966
Volume
5.8844750602598E+25
Space diagonal
673694811.89633
Perimeter
1166873643
Area
6.5509726618972E+16
Altitude
336847405.94816
Surface area
6.5509726618972E+16
Volume
6.9349203647214E+24
Height
183356503.5007