79897921 is an odd 8-digits composite number following 79897920
and preceding 79897922 . In scientific notation, it is written as 7.9897921 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 79878832 positive integers (up to 79897921) that are relatively prime to 79897921.
79897921 has 4 divisors, whose sum is 79917012
The reverse of 79897921 is 12979897
Previous prime number is 6197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-nine million eight hundred ninety-seven thousand nine hundred twenty-one
Scientific notation
7.9897921 × 10^7
Engineering notation
7.9897921 × 10^6
Prime Factorization
6197 × 12893
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
79897921
Product of the distinct prime numbers
The prime factorization of 79897921 is 6197 × 12893.
Since it has a total of 2 prime factors.
6 , 3 , 43 , 87 , 88 , 55 , 3591 , 4998 , 34290 , 36696 , 28437 , 82697 , 6925 , 4635780 , 29593292 , 16655642 , 930245108 , 658610871 , 7879993616 , 6941268316
n×2
159795842
n×3
239693763
n×4
319591684
n×5
399489605
n÷2
39948960.5
n÷3
26632640.333333
n÷3
19974480.25
n÷5
15979584.2
n2
6383677780122241
n3
5.1004258296566E+23
n4
4.0751342000426E+31
n5
3.2559475037941E+39
2 √n
8938.5636989396
3 √n
430.70359121924
4 √n
94.543977592121
5 √n
38.06335765692
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
-79897920
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 79897921 can be divided by 4 positive divisors.
The sum of these divisors (counting 79897921) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000110010010101000001
3
Ternary
12120100020100021
4
Quaternary
10300302111001
5
Quinary
130423213141
6
Senary
11532253441
8
Octal
460622501
10
Decimal
79897921
12
Duodecimal
22911281
16
Hexadecimal
4c32541
20
Vigesimal
14j74g1
36
Base36
1bkhmp
md5
8a1b937f050f5c115337e392bfeadce5
sha1
6e24d9f1f16b5961fd426a51814a867bcd9a3477
sha256
ce9748d0b7788b8ab21967998bd78169884600c2cf26fc2f99abc9e392f65107
sha512
f9f8af19b1f84ccf23a589a23604f53255eca505720df587e63e23b9657e0a6c6c2079ec14eae320cd607df8a3818ca7d050d4d46c499e6f5942f75bec089b1c
ripemd-160
2e2fc386f3803361c8642e2a6f98cd615f1aeb12
Diameter
159795842
Circumference
502013443.3014
Area
2.0054915216916E+16
Volume
2.1364613755505E+24
Surface area
8.0219660867666E+16
Circumference
502013443.3014
Perimeter
319591684
Area
6383677780122241
Diagonal
112992723.48361
Surface area
38302066680733446
Volume
5.1004258296566E+23
Space diagonal
138387258.59112
Perimeter
239693763
Area
2.7642135635801E+15
Altitude
69193629.295562
Surface area
2.7642135635801E+15
Volume
6.0109094851487E+22
Height
37664241.161205