6405697921 is an odd 10-digits composite number following 6405697920
and preceding 6405697922 . In scientific notation, it is written as 6.405697921 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 5485167240 positive integers (up to 6405697921) that are relatively prime to 6405697921.
6405697921 has 8 divisors, whose sum is 6542892000
The reverse of 6405697921 is 1297965046
Previous prime number is 1019
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
six billion four hundred five million six hundred ninety-seven thousand nine hundred twenty-one
Scientific notation
6.405697921 × 10^9
Engineering notation
6.405697921 × 10^9
Prime Factorization
49 × 1019 × 128291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6405697921
Product of the distinct prime numbers
The prime factorization of 6405697921 is 49 × 1019 × 128291.
Since it has a total of 3 prime factors.
1 , 7 , 9 , 65 , 830 , 477 , 7757 , 2240 , 11977 , 55076 , 833657 , 406463 , 8645704 , 1040456 , 98725130 , 23478582 , 366653283 , 705459149 , 6880015649 , 6768527462
n×2
12811395842
n×3
19217093763
n×4
25622791684
n×5
32028489605
n÷2
3202848960.5
n÷3
2135232640.3333
n÷3
1601424480.25
n÷5
1281139584.2
n2
4.1032965855104E+19
n3
2.628447840705E+29
n4
1.6837042868661E+39
n5
1.0785301049957E+49
2 √n
80035.604083433
3 √n
1857.1863576463
4 √n
282.90564519541
5 √n
91.477290139318
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-6405697920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 6405697921 can be divided by 8 positive divisors.
The sum of these divisors (counting 6405697921) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111101110011110011000110000001
3
Ternary
121112102110011121011
4
Quaternary
11331303303012001
5
Quinary
101104324313141
6
Senary
2535344200521
8
Octal
57563630601
10
Decimal
6405697921
12
Duodecimal
12a9309141
16
Hexadecimal
17dcf3181
20
Vigesimal
501fc4g1
36
Base36
2xxsc5d
md5
9272c58ca187ebb6b1676d732687e8c4
sha1
3361d3f7720746c9e441005b37b0ad227410e504
sha256
66505683796e1c8b40a1a0d592dec9357f0ffc34700ab41b8f2afcfadb676ff2
sha512
a6eb527d2201c8389bae8cd9322e39594f1d3018826bcbe19ef925c7a67083ac37a4f75f1197cbe3d8af1a839493d9f6a1732ba371219a3bd0fa89fcdaa41f40
ripemd-160
5ac5331e0d4ed732b8f7adb6815fbeb57eff6c04
Diameter
12811395842
Circumference
40248187059.458
Area
1.2890886408539E+20
Volume
1.1010016568937E+30
Surface area
5.1563545634158E+20
Circumference
40248187059.458
Perimeter
25622791684
Area
4.1032965855104E+19
Diagonal
9059024876.3433
Surface area
2.4619779513062E+20
Volume
2.628447840705E+29
Space diagonal
11094994257.11
Perimeter
19217093763
Area
1.776779541157E+19
Altitude
5547497128.5552
Surface area
1.776779541157E+19
Volume
3.0976554869294E+28
Height
3019674958.7811