91991709 is an odd 8-digits composite number following 91991708
and preceding 91991710 . In scientific notation, it is written as 9.1991709 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 57139200 positive integers (up to 91991709) that are relatively prime to 91991709.
91991709 has 24 divisors, whose sum is 142110072
The reverse of 91991709 is 90719919
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
ninety-one million nine hundred ninety-one thousand seven hundred nine
Scientific notation
9.1991709 × 10^7
Engineering notation
9.1991709 × 10^6
Prime Factorization
3 × 17 × 3 × 101 × 5953
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
30663903
Product of the distinct prime numbers
The prime factorization of 91991709 is 3 × 17 × 3 × 101 × 5953.
Since it has a total of 5 prime factors.
4 , 3 , 25 , 11 , 626 , 337 , 4849 , 6625 , 69540 , 69186 , 309071 , 773660 , 9183259 , 7059001 , 38382966 , 80213783 , 824170042 , 405110034 , 6374883123 , 7332419244
n×2
183983418
n×3
275975127
n×4
367966836
n×5
459958545
n÷2
45995854.5
n÷3
30663903
n÷3
22997927.25
n÷5
18398341.8
n2
8462474524740681
n3
7.7847749389986E+23
n4
7.1613475081885E+31
n5
6.5878459602115E+39
2 √n
9591.2308386359
3 √n
451.4221820757
4 √n
97.934829548205
5 √n
39.151620054278
1 , 3 , 9 , 17 , 51 , 101 , 153 , 303 , 909 , 1717 , 5151 , 5953 , 15453 , 17859 , 53577 , 101201 , 303603 , 601253 , 910809 , 1803759 , 5411277 , 10221301 , 30663903 , 91991709
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
-91991708
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 91991709 can be divided by 24 positive divisors.
The sum of these divisors (counting 91991709) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101011110111010111010011101
3
Ternary
20102002122220100
4
Quaternary
11132322322131
5
Quinary
142022213314
6
Senary
13043411313
8
Octal
536727235
10
Decimal
91991709
12
Duodecimal
26983b39
16
Hexadecimal
57bae9d
20
Vigesimal
18eij59
36
Base36
1irp99
md5
6981c81fd9bae7d166019508bee48738
sha1
c0a74782d9d4c8302cc9b051167afe96e1024d64
sha256
f4a9b8e7768d31f00084c8b01844815f3cd8a33ad388ee09c0c41fa9077247b4
sha512
55060d7cbc2f8a3365f80d8ce196a97cd2d2358bb92b24b4aa45728d46529729d4038f7924dd836f2dd63feb8b39dea4cd81dbdea804f0d7ace2716a9a376dfc
ripemd-160
2695d8baab3941379e2779369376b51c7294a2df
Diameter
183983418
Circumference
578000954.37114
Area
2.6585647798116E+16
Volume
3.2608789010944E+24
Surface area
1.0634259119246E+17
Circumference
578000954.37114
Perimeter
367966836
Area
8462474524740681
Diagonal
130095922.49368
Surface area
50774847148444086
Volume
7.7847749389986E+23
Space diagonal
159334313.86309
Perimeter
275975127
Area
3.664358958652E+15
Altitude
79667156.931546
Surface area
3.664358958652E+15
Volume
9.1744452489616E+22
Height
43365307.497893