388664221 is an odd 9-digits composite number following 388664220
and preceding 388664222 . In scientific notation, it is written as 3.88664221 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors.
There are 353331000 positive integers (up to 388664221) that are relatively prime to 388664221.
388664221 has 6 divisors, whose sum is 427209566
The reverse of 388664221 is 122466883
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
three hundred eighty-eight million six hundred sixty-four thousand two hundred twenty-one
Scientific notation
3.88664221 × 10^8
Engineering notation
3.88664221 × 10^6
Prime Factorization
11 × 11 × 3212101
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
35333111
Product of the distinct prime numbers
The prime factorization of 388664221 is 11 × 11 × 3212101.
Since it has a total of 3 prime factors.
3 , 10 , 16 , 85 , 534 , 870 , 2349 , 2099 , 88503 , 81633 , 921371 , 885268 , 7838496 , 2836545 , 28906319 , 32602949 , 393361828 , 330561895 , 8516016495 , 5101328164
n×2
777328442
n×3
1165992663
n×4
1554656884
n×5
1943321105
n÷2
194332110.5
n÷3
129554740.33333
n÷3
97166055.25
n÷5
77732844.2
n2
151059876685536841
n3
5.871156929634E+25
n4
2.281908634425E+34
n5
8.8689624179195E+42
2 √n
19714.568750039
3 √n
729.77926709661
4 √n
140.40857790761
5 √n
52.229385063195
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388664220
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388664221 can be divided by 6 positive divisors.
The sum of these divisors (counting 388664221) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
10111001010101000101110011101
3
Ternary
1000002100012002011
4
Quaternary
113022220232131
5
Quinary
1243444223341
6
Senary
102322231221
8
Octal
2712505635
10
Decimal
388664221
12
Duodecimal
aa1b5511
16
Hexadecimal
172a8b9d
20
Vigesimal
61930b1
36
Base36
6fef8d
md5
cbb506c54265e98876da5b2e646aacbe
sha1
b58fd56f9b41e5a25c034d525c936eae8869b8cc
sha256
47dce4f853bbce5ebb10834ad73145265bd3fc12192513215fe9aa19ac9ce297
sha512
bd2be533ad42e281770b3904df386b7a1d798c47d39ddce09942f505176cb55588ee10aa1218305110fba14262a956f2e4b1a83a0c05398175ea91e1736a1fa7
ripemd-160
4ac36f99f0d931089dda56abdb6357de28a30f30
Diameter
777328442
Circumference
2442049322.8136
Area
4.7456859884746E+17
Volume
2.4593044637615E+26
Surface area
1.8982743953899E+18
Circumference
2442049322.8136
Perimeter
1554656884
Area
151059876685536841
Diagonal
549654212.54737
Surface area
906359260113221046
Volume
5.871156929634E+25
Space diagonal
673186177.85618
Perimeter
1165992663
Area
6.541084535111E+16
Altitude
336593088.92809
Surface area
6.541084535111E+16
Volume
6.9192247972577E+24
Height
183218070.84912