91997907 is an odd 8-digits composite number following 91997906
and preceding 91997908 . In scientific notation, it is written as 9.1997907 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 58544640 positive integers (up to 91997907) that are relatively prime to 91997907.
91997907 has 16 divisors, whose sum is 128260608
The reverse of 91997907 is 70979919
Previous prime number is 631
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
ninety-one million nine hundred ninety-seven thousand nine hundred seven
Scientific notation
9.1997907 × 10^7
Engineering notation
9.1997907 × 10^6
Prime Factorization
3 × 23 × 631 × 2113
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91997907
Product of the distinct prime numbers
The prime factorization of 91997907 is 3 × 23 × 631 × 2113.
Since it has a total of 4 prime factors.
3 , 8 , 12 , 98 , 53 , 872 , 3334 , 4307 , 56973 , 14366 , 691127 , 987100 , 9037022 , 1463781 , 39484714 , 33943941 , 707299799 , 259635753 , 5650094320 , 636917405
n×2
183995814
n×3
275993721
n×4
367991628
n×5
459989535
n÷2
45998953.5
n÷3
30665969
n÷3
22999476.75
n÷5
18399581.4
n2
8463614892380649
n3
7.7863485575305E+23
n4
7.1632777046528E+31
n5
6.5900655608782E+39
2 √n
9591.5539408377
3 √n
451.43232013372
4 √n
97.936479111911
5 √n
39.152147613129
1 , 3 , 23 , 69 , 631 , 1893 , 2113 , 6339 , 14513 , 43539 , 48599 , 145797 , 1333303 , 3999909 , 30665969 , 91997907
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
-91997906
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 91997907 can be divided by 16 positive divisors.
The sum of these divisors (counting 91997907) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011110111100011011010011
3
Ternary
20102002222101220
4
Quaternary
11132330123103
5
Quinary
142022413112
6
Senary
13043500123
8
Octal
536743323
10
Decimal
91997907
12
Duodecimal
26987643
16
Hexadecimal
57bc6d3
20
Vigesimal
18ejef7
36
Base36
1iru1f
md5
29e101be5ba2df7b06afc0b547ee40d2
sha1
041f7fd7f6da92a0d6bb520020b7098c88edf6c2
sha256
49507329081047c9f030cb72eb49e943385607a2a49f128fbbe4c3f201e59556
sha512
7d685f79dab93255caf46b6b56be8a60c6dfc8f5c5a492900771a309e7382b78be28eed46380a9b054df00e5f76a986e5a350744f6ce5330839847bc46fb6c3e
ripemd-160
2b5b45e73735c900991262b7b3b8abf743bd5362
Diameter
183995814
Circumference
578039897.55367
Area
2.6589230368716E+16
Volume
3.2615380568836E+24
Surface area
1.0635692147486E+17
Circumference
578039897.55367
Perimeter
367991628
Area
8463614892380649
Diagonal
130104687.78934
Surface area
50781689354283894
Volume
7.7863485575305E+23
Space diagonal
159345049.114
Perimeter
275993721
Area
3.664852752325E+15
Altitude
79672524.556998
Surface area
3.664852752325E+15
Volume
9.1762997761865E+22
Height
43368229.263113