388957861 is an odd 9-digits prime number following 388957860
and preceding 388957862 . In scientific notation, it is written as 3.88957861 × 10^8.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 388957860 positive integers (up to 388957861) that are relatively prime to 388957861.
388957861 has 2 divisors, whose sum is 388957862
The reverse of 388957861 is 168759883
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
three hundred eighty-eight million nine hundred fifty-seven thousand eight hundred sixty-one
Scientific notation
3.88957861 × 10^8
Engineering notation
3.88957861 × 10^6
Prime Factorization
388957861
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
388957861
Product of the distinct prime numbers
The prime factorization of 388957861 is 388957861.
Since it has a total of 1 prime factors.
1 , 9 , 74 , 74 , 321 , 464 , 7019 , 7572 , 98262 , 23930 , 875352 , 25381 , 3018362 , 7379591 , 98618270 , 78873585 , 907782270 , 652221684 , 2685654272 , 6823283931
n×2
777915722
n×3
1166873583
n×4
1555831444
n×5
1944789305
n÷2
194478930.5
n÷3
129652620.33333
n÷3
97239465.25
n÷5
77791572.2
n2
151288217633695321
n3
5.8844741525305E+25
n4
2.288812479478E+34
n5
8.9025160624788E+42
2 √n
19722.014628328
3 √n
729.96300619437
4 √n
140.43509044512
5 √n
52.237274651742
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
388957862
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
194478931
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19722.014653681
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999948581
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388957861 can be divided by 2 positive divisors.
The sum of these divisors (counting 388957861) is 388957862, the average is 194478931.
Base
System
Value
2
Binary
10111001011110000011010100101
3
Ternary
1000002220002212201
4
Quaternary
113023300122211
5
Quinary
1244033122421
6
Senary
102332414501
8
Octal
2713603245
10
Decimal
388957861
12
Duodecimal
aa317431
16
Hexadecimal
172f06a5
20
Vigesimal
61ajed1
36
Base36
6fkpt1
md5
6cae1692ede9756d79f98a119ba58541
sha1
5f091a42a5557cbc859cdc869e2a6f5af0960b08
sha256
98dbe61bd9a5b96268d90906c76485ed5e850db718aa359cb643936af6aa834e
sha512
f30b4efa9f3457a9faa95cb8b009c8c568c8ef312734a079aec4e2178ab74eb4091b538aa6a81083ae84133323354a9ac5dde400307fc91ae71927a75170f1b5
ripemd-160
4f5cdfd42c4dc1c379c72a449a5d8c0e75289d8c
Diameter
777915722
Circumference
2443894317.3472
Area
4.7528595309271E+17
Volume
2.4648827690438E+26
Surface area
1.9011438123708E+18
Circumference
2443894317.3472
Perimeter
1555831444
Area
151288217633695321
Diagonal
550069482.21783
Surface area
907729305802171926
Volume
5.8844741525305E+25
Space diagonal
673694777.25531
Perimeter
1166873583
Area
6.5509719882025E+16
Altitude
336847388.62766
Surface area
6.5509719882025E+16
Volume
6.9349192949521E+24
Height
183356494.07261