91997980 is an even 8-digits composite number following 91997979
and preceding 91997981 . In scientific notation, it is written as 9.1997980 × 10^7.
The sum of its digits is 52. It has a total of 5 prime factors and 24 positive divisors.
There are 36738240 positive integers (up to 91997980) that are relatively prime to 91997980.
91997980 has 24 divisors, whose sum is 193515840
The reverse of 91997980 is 08979919
Previous prime number is 661
Is Prime? no Number parity even Number length 8 Sum of Digits 52 Digital Root 7
Name
ninety-one million nine hundred ninety-seven thousand nine hundred eighty
Scientific notation
9.1997980 × 10^7
Engineering notation
9.1997980 × 10^6
Prime Factorization
2 × 2 × 5 × 661 × 6959
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
45998990 Product of the distinct prime numbers
The prime factorization of 91997980 is 2 × 2 × 5 × 661 × 6959.
Since it has a total of 5 prime factors.
10 , 10 , 17 , 85 , 235 , 709 , 7194 , 619 , 22494 , 99820 , 341033 , 463326 , 8718742 , 4681669 , 32090015 , 63088296 , 338725509 , 801429819 , 4569658299 , 2747604614
n×2
183995960
n×3
275993940
n×4
367991920
n×5
459989900
n÷2
45998990
n÷3
30665993.333333
n÷3
22999495
n÷5
18399596
n2
8463628324080400
n3
7.7863670928618E+23
n4
7.1633004408176E+31
n5
6.5900917068833E+39
2 √n9591.5577462683
3 √n451.43243953698
4 √n97.936498539964
5 √n39.152153826544
1 , 2 , 4 , 5 , 10 , 20 , 661 , 1322 , 2644 , 3305 , 6610 , 6959 , 13220 , 13918 , 27836 , 34795 , 69590 , 139180 , 4599899 , 9199798 , 18399596 , 22999495 , 45998990 , 91997980
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-91997979 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91997980 can be divided by 24 positive divisors.
The sum of these divisors (counting 91997980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101011110111100011100011100
3
Ternary
20102002222111121
4
Quaternary
11132330130130
5
Quinary
142022413410
6
Senary
13043500324
8
Octal
536743434
10
Decimal
91997980
12
Duodecimal
269876a4
16
Hexadecimal
57bc71c
20
Vigesimal
18ejej0
36
Base36
1iru3g
md5
209a60664e8a8f3775bfcda28adc774c
sha1
5c104338ab0535c1d704a2d8829e79e0a6f19280
sha256
dfa1371a700ecd0a062b20ed0ab94d3c991c73e5f35b1e14cd7116343ac04320
sha512
ad4b1fa3c4971d1538eb1c327b835e82cae98d1346d347bc8ecffa7eb65475308a501715bf68bb2bdf8fa82e17811e0606d59b875c91c857650f1cab4f4615d5
ripemd-160
413fad61ade62b73cf8b4dd0e6113cb37ecfc2b8
Diameter
183995960
Circumference
578040356.2262
Area
2.6589272565645E+16
Volume
3.2615458209451E+24
Surface area
1.0635709026258E+17
Circumference
578040356.2262
Perimeter
367991920
Area
8463628324080400
Diagonal
130104791.02693
Surface area
50781769944482400
Volume
7.7863670928618E+23
Space diagonal
159345175.55371
Perimeter
275993940
Area
3.6648585684216E+15
Altitude
79672587.776853
Surface area
3.6648585684216E+15
Volume
9.176321620284E+22
Height
43368263.675643