405997621 is an odd 9-digits composite number following 405997620
and preceding 405997622 . In scientific notation, it is written as 4.05997621 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 371404800 positive integers (up to 405997621) that are relatively prime to 405997621.
405997621 has 16 divisors, whose sum is 442009008
The reverse of 405997621 is 126799504
Previous prime number is 1861
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
four hundred five million nine hundred ninety-seven thousand six hundred twenty-one
Scientific notation
4.05997621 × 10^8
Engineering notation
4.05997621 × 10^6
Prime Factorization
41 × 17 × 1861 × 313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
405997621
Product of the distinct prime numbers
The prime factorization of 405997621 is 41 × 17 × 1861 × 313.
Since it has a total of 4 prime factors.
6 , 1 , 99 , 32 , 792 , 911 , 5127 , 8358 , 79672 , 18182 , 141427 , 104591 , 6328960 , 7140479 , 77454747 , 80803505 , 214859425 , 165181535 , 2489110992 , 4525631658
n×2
811995242
n×3
1217992863
n×4
1623990484
n×5
2029988105
n÷2
202998810.5
n÷3
135332540.33333
n÷3
101499405.25
n÷5
81199524.2
n2
164834068257659641
n3
6.6922239572361E+25
n4
2.7170270058371E+34
n5
1.1031065005626E+43
2 √n
20149.38264563
3 √n
740.4706167579
4 √n
141.9485211111
5 √n
52.687148882529
1 , 17 , 41 , 313 , 697 , 1861 , 5321 , 12833 , 31637 , 76301 , 218161 , 582493 , 1297117 , 9902381 , 23882213 , 405997621
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
-405997620
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 405997621 can be divided by 16 positive divisors.
The sum of these divisors (counting 405997621) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000001100110000100000110101
3
Ternary
1001021221211000221
4
Quaternary
120030300200311
5
Quinary
1312413410441
6
Senary
104141534341
8
Octal
3014604065
10
Decimal
405997621
12
Duodecimal
b3b743b1
16
Hexadecimal
18330835
20
Vigesimal
66h9e11
36
Base36
6ppxrp
md5
2d8c9559eaec35361a0b5e1f23082e62
sha1
1205313024b7cf16e491b779f85815c058252c94
sha256
0099a6c1116c7af454ee202b6c47a18680bec083063b04e4a1bf0d3b0b421ff3
sha512
47d87d0c29025d00ba8f18dc08717382d0844c18f1799ac831147c9c1f179496bdc6d7677c91c1f313d3f9a5b36e8e4513efd3a7aa17ad04dcdd42c63c49e1e0
ripemd-160
01b8539a4918f86e435493ed5eaf88b31bcff21a
Diameter
811995242
Circumference
2550958287.0171
Area
5.1784149789958E+17
Volume
2.8032322160308E+26
Surface area
2.0713659915983E+18
Circumference
2550958287.0171
Perimeter
1623990484
Area
164834068257659641
Diagonal
574167341.90941
Surface area
989004409545957846
Volume
6.6922239572361E+25
Space diagonal
703208507.32409
Perimeter
1217992863
Area
7.1375245260136E+16
Altitude
351604253.66205
Surface area
7.1375245260136E+16
Volume
7.8868615689679E+24
Height
191389113.9698