79890621 is an odd 8-digits composite number following 79890620
and preceding 79890622 . In scientific notation, it is written as 7.9890621 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 51423792 positive integers (up to 79890621) that are relatively prime to 79890621.
79890621 has 8 divisors, whose sum is 110194080
The reverse of 79890621 is 12609897
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-nine million eight hundred ninety thousand six hundred twenty-one
Scientific notation
7.9890621 × 10^7
Engineering notation
7.9890621 × 10^6
Prime Factorization
3 × 29 × 918283
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
79890621
Product of the distinct prime numbers
The prime factorization of 79890621 is 3 × 29 × 918283.
Since it has a total of 3 prime factors.
2 , 8 , 39 , 36 , 675 , 901 , 6009 , 8165 , 68245 , 14510 , 891720 , 329598 , 3344752 , 9888951 , 47964247 , 90652546 , 636892912 , 113890096 , 1013116396 , 6575069242
n×2
159781242
n×3
239671863
n×4
319562484
n×5
399453105
n÷2
39945310.5
n÷3
26630207
n÷3
19972655.25
n÷5
15978124.2
n2
6382511323765641
n3
5.0990279319517E+23
n4
4.0736450797997E+31
n5
3.2544603515879E+39
2 √n
8938.1553466026
3 √n
430.69047351465
4 √n
94.541817978091
5 √n
38.062662087717
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
-79890620
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 79890621 can be divided by 8 positive divisors.
The sum of these divisors (counting 79890621) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000110000100010111101
3
Ternary
12120022212022220
4
Quaternary
10300300202331
5
Quinary
130422444441
6
Senary
11532155553
8
Octal
460604275
10
Decimal
79890621
12
Duodecimal
22908bb9
16
Hexadecimal
4c308bd
20
Vigesimal
14j66b1
36
Base36
1bkbzx
md5
691134d3d357f2ebaeae75bb6d32d8d0
sha1
cf53e5646509539393f73e3ca89d5706cb82dc23
sha256
5c090ac76b417e23ec38005a38da41074e7910afa90d8a75c644533acb1a2fe9
sha512
1479b16311eb5776a5146a94defb57781c344377c05c01111756b5724e89ab171803b3a92979d03fff01e3122066d252a40b1c20fa5cf89b92a9595c24cbf399
ripemd-160
1962c37823fc4058cbc3c1f209f634cb7bd6202d
Diameter
159781242
Circumference
501967576.04865
Area
2.0051250686196E+16
Volume
2.1358758255291E+24
Surface area
8.0205002744783E+16
Circumference
501967576.04865
Perimeter
319562484
Area
6382511323765641
Diagonal
112982399.72461
Surface area
38295067942593846
Volume
5.0990279319517E+23
Space diagonal
138374614.62023
Perimeter
239671863
Area
2.7637084731614E+15
Altitude
69187307.310115
Surface area
2.7637084731614E+15
Volume
6.0092620469044E+22
Height
37660799.908203