91991070 is an even 8-digits composite number following 91991069
and preceding 91991071 . In scientific notation, it is written as 9.1991070 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 24530928 positive integers (up to 91991070) that are relatively prime to 91991070.
91991070 has 16 divisors, whose sum is 196247808
The reverse of 91991070 is 07019919
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
ninety-one million nine hundred ninety-one thousand seventy
Scientific notation
9.1991070 × 10^7
Engineering notation
9.1991070 × 10^6
Prime Factorization
2 × 15 × 3 × 1022123
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91991070
Product of the distinct prime numbers
The prime factorization of 91991070 is 2 × 15 × 3 × 1022123.
Since it has a total of 4 prime factors.
7 , 9 , 74 , 44 , 155 , 335 , 6956 , 8476 , 62213 , 80851 , 25514 , 486905 , 7430002 , 9634414 , 79976689 , 20706096 , 247531749 , 260958361 , 5546512356 , 7277413866
n×2
183982140
n×3
275973210
n×4
367964280
n×5
459955350
n÷2
45995535
n÷3
30663690
n÷3
22997767.5
n÷5
18398214
n2
8462356959744900
n3
7.7846127144888E+23
n4
7.1611485314143E+31
n5
6.5876171583373E+39
2 √n
9591.1975268993
3 √n
451.42113683859
4 √n
97.934659477119
5 √n
39.151565662518
1 , 2 , 3 , 6 , 15 , 30 , 45 , 90 , 1022123 , 2044246 , 3066369 , 6132738 , 15331845 , 30663690 , 45995535 , 91991070
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91991069
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91991070 can be divided by 16 positive divisors.
The sum of these divisors (counting 91991070) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011110111010110000011110
3
Ternary
20102002122000200
4
Quaternary
11132322300132
5
Quinary
142022203240
6
Senary
13043404330
8
Octal
536726036
10
Decimal
91991070
12
Duodecimal
269836a6
16
Hexadecimal
57bac1e
20
Vigesimal
18eihda
36
Base36
1irori
md5
09e49ead98e6567fb41c06ef0fac58a5
sha1
967f13eae2b1fcda9a44f15f327363cea0813393
sha256
15af3b98a10eb9ff6a0937c942053eaab38aebf9656bcd0d3974f94a479dc388
sha512
b3b4ab987080e225fe4fee5a64dff54d3fbd2403b0d2726b64bbbe45a86912010225753022235911ffad7242e5b63f951310844613c0eac943539e63a6eebf42
ripemd-160
02ca6dd07ebb38ba54ca609527bbcd7ffb710938
Diameter
183982140
Circumference
577996939.41573
Area
2.6585278456789E+16
Volume
3.2608109486506E+24
Surface area
1.0634111382716E+17
Circumference
577996939.41573
Perimeter
367964280
Area
8462356959744900
Diagonal
130095018.81121
Surface area
50774141758469400
Volume
7.7846127144888E+23
Space diagonal
159333207.08263
Perimeter
275973210
Area
3.6643080515156E+15
Altitude
79666603.541313
Surface area
3.6643080515156E+15
Volume
9.1742540655434E+22
Height
43365006.270404