399366921 is an odd 9-digits composite number following 399366920
and preceding 399366922 . In scientific notation, it is written as 3.99366921 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 266244612 positive integers (up to 399366921) that are relatively prime to 399366921.
399366921 has 4 divisors, whose sum is 532489232
The reverse of 399366921 is 129663993
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
three hundred ninety-nine million three hundred sixty-six thousand nine hundred twenty-one
Scientific notation
3.99366921 × 10^8
Engineering notation
3.99366921 × 10^6
Prime Factorization
3 × 133122307
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
399366921
Product of the distinct prime numbers
The prime factorization of 399366921 is 3 × 133122307.
Since it has a total of 2 prime factors.
3 , 8 , 50 , 19 , 107 , 486 , 9227 , 8106 , 87590 , 84756 , 706194 , 130121 , 2467311 , 1706017 , 87354194 , 89696044 , 54205980 , 12905525 , 4316320815 , 8995018134
n×2
798733842
n×3
1198100763
n×4
1597467684
n×5
1996834605
n÷2
199683460.5
n÷3
133122307
n÷3
99841730.25
n÷5
79873384.2
n2
159493937589020241
n3
6.3696602773093E+25
n4
2.543831612765E+34
n5
1.0159221987324E+43
2 √n
19984.166757711
3 √n
736.41738064591
4 √n
141.36536618886
5 √n
52.513917555274
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
-399366920
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 399366921 can be divided by 4 positive divisors.
The sum of these divisors (counting 399366921) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111110011011101101100001001
3
Ternary
1000211110221102110
4
Quaternary
113303131230021
5
Quinary
1304214220141
6
Senary
103343452533
8
Octal
2763355411
10
Decimal
399366921
12
Duodecimal
b18b7149
16
Hexadecimal
17cddb09
20
Vigesimal
64g0h61
36
Base36
6lrthl
md5
2df9247ca550db79a5aadcee1c3b2170
sha1
434000e33487a9ba154feb4da24ddff3420d8d05
sha256
fb8f9a54c191f97cea1e52fea291ff047a6cb6912864a259e135492fcc27076f
sha512
77e721b499907bff46f3a2598933d08884bb37c09440731454348f737570c974c72978263145e9c491939e85d0e84ac262c91512ea21003b689328b79d013406
ripemd-160
46bdf102c0ef3a872d5b254281e7334439560b95
Diameter
798733842
Circumference
2509296370.2008
Area
5.0106498262177E+17
Volume
2.668117057741E+26
Surface area
2.0042599304871E+18
Circumference
2509296370.2008
Perimeter
1597467684
Area
159493937589020241
Diagonal
564790116.04138
Surface area
956963625534121446
Volume
6.3696602773093E+25
Space diagonal
691723798.03435
Perimeter
1198100763
Area
6.9062900850851E+16
Altitude
345861899.01717
Surface area
6.9062900850851E+16
Volume
7.5067166265667E+24
Height
188263372.01379