388664992 is an even 9-digits composite number following 388664991
and preceding 388664993 . In scientific notation, it is written as 3.88664992 × 10^8.
The sum of its digits is 55. It has a total of 6 prime factors and 12 positive divisors.
There are 194332480 positive integers (up to 388664992) that are relatively prime to 388664992.
388664992 has 12 divisors, whose sum is 765184266
The reverse of 388664992 is 299466883
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
three hundred eighty-eight million six hundred sixty-four thousand nine hundred ninety-two
Scientific notation
3.88664992 × 10^8
Engineering notation
3.88664992 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 12145781
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
24291562
Product of the distinct prime numbers
The prime factorization of 388664992 is 2 × 2 × 2 × 2 × 2 × 12145781.
Since it has a total of 6 prime factors.
10 , 3 , 93 , 69 , 765 , 491 , 923 , 2757 , 20916 , 75428 , 989371 , 801681 , 7734293 , 3108438 , 48606947 , 48947444 , 819904157 , 549448208 , 4959981601 , 377346752
n×2
777329984
n×3
1165994976
n×4
1554659968
n×5
1943324960
n÷2
194332496
n÷3
129554997.33333
n÷3
97166248
n÷5
77732998.4
n2
151060476006360064
n3
5.8711918698528E+25
n4
2.2819267411268E+34
n5
8.8690503858464E+42
2 √n
19714.588304096
3 √n
729.77974965492
4 √n
140.4086475403
5 √n
52.229405784847
1 , 2 , 4 , 8 , 16 , 32 , 12145781 , 24291562 , 48583124 , 97166248 , 194332496 , 388664992
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388664991
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388664992 can be divided by 12 positive divisors.
The sum of these divisors (counting 388664992) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001010101000111010100000
3
Ternary
1000002100020010201
4
Quaternary
113022220322200
5
Quinary
1243444234432
6
Senary
102322234544
8
Octal
2712507240
10
Decimal
388664992
12
Duodecimal
aa1b5a54
16
Hexadecimal
172a8ea0
20
Vigesimal
619329c
36
Base36
6fefts
md5
62dcabb2d3fe3e6c7fe42716594351a7
sha1
7ac8487b82d303e757a51e3d90c02764424322d8
sha256
db6f2569b343ff541fa4e15a5b6b9a8c3d8b8747252144bb15eed8e5e6042f9a
sha512
d5b05e3e4039e97ef813e07b132d9db721a261c0aacb8492199b2cf0e54b9883ec81008c51956f39210712f95e5a9c750b3b5a3d45ee37496e35c3506a6fb628
ripemd-160
e927201e1f140080e362f6625ef74eec8ae55f4d
Diameter
777329984
Circumference
2442054167.1495
Area
4.7457048166936E+17
Volume
2.4593190994861E+26
Surface area
1.8982819266774E+18
Circumference
2442054167.1495
Perimeter
1554659968
Area
151060476006360064
Diagonal
549655302.90603
Surface area
906362856038160384
Volume
5.8711918698528E+25
Space diagonal
673187513.26735
Perimeter
1165994976
Area
6.5411104864639E+16
Altitude
336593756.63368
Surface area
6.5411104864639E+16
Volume
6.9192659747004E+24
Height
183218434.30201