405386989 is an odd 9-digits composite number following 405386988
and preceding 405386990 . In scientific notation, it is written as 4.05386989 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 344217600 positive integers (up to 405386989) that are relatively prime to 405386989.
405386989 has 16 divisors, whose sum is 467663616
The reverse of 405386989 is 989683504
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
four hundred five million three hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
4.05386989 × 10^8
Engineering notation
4.05386989 × 10^6
Prime Factorization
7 × 541 × 167 × 641
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
405386989
Product of the distinct prime numbers
The prime factorization of 405386989 is 7 × 541 × 167 × 641.
Since it has a total of 4 prime factors.
6 , 8 , 65 , 89 , 239 , 603 , 328 , 1382 , 24103 , 34813 , 579812 , 75665 , 7216381 , 7648802 , 1970303 , 22224812 , 136016570 , 8147555 , 9903486533 , 4799352814
n×2
810773978
n×3
1216160967
n×4
1621547956
n×5
2026934945
n÷2
202693494.5
n÷3
135128996.33333
n÷3
101346747.25
n÷5
81077397.8
n2
164338610850486121
n3
6.6620734629121E+25
n4
2.7007179016268E+34
n5
1.0948358982789E+43
2 √n
20134.224320793
3 √n
740.0992008476
4 √n
141.89511732541
5 √n
52.671290744336
1 , 7 , 167 , 541 , 641 , 1169 , 3787 , 4487 , 90347 , 107047 , 346781 , 632429 , 749329 , 2427467 , 57912427 , 405386989
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-405386988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 405386989 can be divided by 16 positive divisors.
The sum of these divisors (counting 405386989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000001010011011011011101101
3
Ternary
1001020210210101221
4
Quaternary
120022123123231
5
Quinary
1312234340424
6
Senary
104120503341
8
Octal
3012333355
10
Decimal
405386989
12
Duodecimal
b391ab51
16
Hexadecimal
1829b6ed
20
Vigesimal
66dd799
36
Base36
6pculp
md5
98934df2d75996693c15a54e6f6cbab6
sha1
e073b7f932d845f40038e870b346246a6ab71ba1
sha256
f3a4fec98e77ae5720217d8fa8cdd9fb9151c82bbfcd6ad3cc103be8f3a3f313
sha512
1e9816dffa5d66663c929839bcb28f84d0f6f108b0e5d01e702b972968fcd7e4911a0e4e53193500680e8d428ecbab669655ea52c6bc2bbb6ad9fb675aa319f9
ripemd-160
e92bf0316469c066c3495d8f3ceb66469de94610
Diameter
810773978
Circumference
2547121573.0066
Area
5.1628497254904E+17
Volume
2.7906028065014E+26
Surface area
2.0651398901962E+18
Circumference
2547121573.0066
Perimeter
1621547956
Area
164338610850486121
Diagonal
573303777.85339
Surface area
986031665102916726
Volume
6.6620734629121E+25
Space diagonal
702150861.67537
Perimeter
1216160967
Area
7.1160705909583E+16
Altitude
351075430.83768
Surface area
7.1160705909583E+16
Volume
7.8513288706469E+24
Height
191101259.28446