388664998 is an even 9-digits composite number following 388664997
and preceding 388664999 . In scientific notation, it is written as 3.88664998 × 10^8.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 194332498 positive integers (up to 388664998) that are relatively prime to 388664998.
388664998 has 4 divisors, whose sum is 582997500
The reverse of 388664998 is 899466883
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 61
Digital Root 7
Name
three hundred eighty-eight million six hundred sixty-four thousand nine hundred ninety-eight
Scientific notation
3.88664998 × 10^8
Engineering notation
3.88664998 × 10^6
Prime Factorization
2 × 194332499
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388664998
Product of the distinct prime numbers
The prime factorization of 388664998 is 2 × 194332499.
Since it has a total of 2 prime factors.
5 , 1 , 56 , 7 , 375 , 372 , 43 , 9464 , 58083 , 1297 , 454283 , 997761 , 1485303 , 1659750 , 78692973 , 79455597 , 442581231 , 121947607 , 9689078862 , 5441622029
n×2
777329996
n×3
1165994994
n×4
1554659992
n×5
1943324990
n÷2
194332499
n÷3
129554999.33333
n÷3
97166249.5
n÷5
77732999.6
n2
151060480670340004
n3
5.8711921417617E+25
n4
2.2819268820354E+34
n5
8.8690510704244E+42
2 √n
19714.588456268
3 √n
729.77975341023
4 √n
140.40864808219
5 √n
52.229405946105
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
-388664997
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 388664998 can be divided by 4 positive divisors.
The sum of these divisors (counting 388664998) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010101000111010100110
3
Ternary
1000002100020010221
4
Quaternary
113022220322212
5
Quinary
1243444234443
6
Senary
102322234554
8
Octal
2712507246
10
Decimal
388664998
12
Duodecimal
aa1b5a5a
16
Hexadecimal
172a8ea6
20
Vigesimal
619329i
36
Base36
6fefty
md5
433ebea6d7440bc770cdc7b3524dc85d
sha1
784c41b75055716171cc19e0f706f1521ceee051
sha256
0e6d5e9cfb49f0c82a543926b686a3f7638d3b69cff3c72c67979bc7cceea3d3
sha512
b04e002d8f83f09f60fb8b1fabb9568f1ccfd2de09be07396e0af4bad1c80d62221e98e4c3205ecc16a2bc134a4171f3af57bbff33dfb9433633a42d1937c7ff
ripemd-160
201a1110967f54dfe73889d574d134c2928f31f4
Diameter
777329996
Circumference
2442054204.8486
Area
4.7457049632168E+17
Volume
2.459319213383E+26
Surface area
1.8982819852867E+18
Circumference
2442054204.8486
Perimeter
1554659992
Area
151060480670340004
Diagonal
549655311.39131
Surface area
906362884022040024
Volume
5.8711921417617E+25
Space diagonal
673187523.65966
Perimeter
1165994994
Area
6.5411106884201E+16
Altitude
336593761.82983
Surface area
6.5411106884201E+16
Volume
6.9192662951481E+24
Height
183218437.13044