7921997107 is an odd 10-digits composite number following 7921997106
and preceding 7921997108 . In scientific notation, it is written as 7.921997107 × 10^9.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 7869533400 positive integers (up to 7921997107) that are relatively prime to 7921997107.
7921997107 has 4 divisors, whose sum is 7974460816
The reverse of 7921997107 is 7017991297
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 52
Digital Root 7
Name
seven billion nine hundred twenty-one million nine hundred ninety-seven thousand one hundred seven
Scientific notation
7.921997107 × 10^9
Engineering notation
7.921997107 × 10^9
Prime Factorization
151 × 52463557
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7921997107
Product of the distinct prime numbers
The prime factorization of 7921997107 is 151 × 52463557.
Since it has a total of 2 prime factors.
10 , 4 , 44 , 50 , 816 , 657 , 420 , 114 , 42268 , 26138 , 333194 , 372780 , 4373195 , 9604645 , 58548684 , 71626525 , 674813737 , 126159837 , 9126990326 , 3366580570
n×2
15843994214
n×3
23765991321
n×4
31687988428
n×5
39609985535
n÷2
3960998553.5
n÷3
2640665702.3333
n÷3
1980499276.75
n÷5
1584399421.4
n2
6.2758038163316E+19
n3
4.9716899677079E+29
n4
3.9385713541083E+39
n5
3.1201350872959E+49
2 √n
89005.601548442
3 √n
1993.4785171605
4 √n
298.33806587233
5 √n
95.448022680223
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
-7921997106
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 7921997107 can be divided by 4 positive divisors.
The sum of these divisors (counting 7921997107) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011000001100000001010100110011
3
Ternary
202110002122011001021
4
Quaternary
13120030001110303
5
Quinary
112211012401412
6
Senary
3350031520311
8
Octal
73014012463
10
Decimal
7921997107
12
Duodecimal
1651089097
16
Hexadecimal
1d8301533
20
Vigesimal
63fc9cf7
36
Base36
3n0jw37
md5
13e77d86b6c85661240036a8a64fd419
sha1
ccf08322eae66256288730a8fe259109651a2ac8
sha256
e5901e1e07e394638f5fc18bb3bd35f64003413e9bb5b234a564190cf453236f
sha512
de9ef5fed4c3387de71f45f466c8e7a4b18813816e611786b3bce00c60e6ed40c0102f108dd6d77fb88922fa9101a0b46a44abdaac4ff316fcc2cc7ba8c01666
ripemd-160
3db74d2c7cd557777364263974884957b423eafd
Diameter
15843994214
Circumference
49775375826.222
Area
1.9716019164758E+20
Volume
2.082536623797E+30
Surface area
7.8864076659033E+20
Circumference
49775375826.222
Perimeter
31687988428
Area
6.2758038163316E+19
Diagonal
11203395749.8
Surface area
3.765482289799E+20
Volume
4.9716899677079E+29
Space diagonal
13721301486.738
Perimeter
23765991321
Area
2.7175027670553E+19
Altitude
6860650743.3688
Surface area
2.7175027670553E+19
Volume
5.8591928168723E+28
Height
3734465249.9333