91878690 is an even 8-digits composite number following 91878689
and preceding 91878691 . In scientific notation, it is written as 9.1878690 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 24257600 positive integers (up to 91878690) that are relatively prime to 91878690.
91878690 has 16 divisors, whose sum is 148466304
The reverse of 91878690 is 09687819
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
ninety-one million eight hundred seventy-eight thousand six hundred ninety
Scientific notation
9.1878690 × 10^7
Engineering notation
9.1878690 × 10^6
Prime Factorization
2 × 15 × 101 × 30323
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91878690
Product of the distinct prime numbers
The prime factorization of 91878690 is 2 × 15 × 101 × 30323.
Since it has a total of 4 prime factors.
4 , 9 , 47 , 18 , 301 , 259 , 5407 , 9206 , 35984 , 39751 , 635501 , 716271 , 4962358 , 5327932 , 17462386 , 5001688 , 664890801 , 769999518 , 2762014719 , 6613876406
n×2
183757380
n×3
275636070
n×4
367514760
n×5
459393450
n÷2
45939345
n÷3
30626230
n÷3
22969672.5
n÷5
18375738
n2
8441693676116100
n3
7.7561175634283E+23
n4
7.1262192121379E+31
n5
6.5474768586406E+39
2 √n
9585.3372397637
3 √n
451.23723717813
4 √n
97.904735532882
5 √n
39.141995158465
1 , 2 , 15 , 30 , 101 , 202 , 1515 , 3030 , 30323 , 60646 , 454845 , 909690 , 3062623 , 6125246 , 45939345 , 91878690
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
-91878689
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 91878690 can be divided by 16 positive divisors.
The sum of these divisors (counting 91878690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011110011111010100100010
3
Ternary
20101212220212110
4
Quaternary
11132133110202
5
Quinary
142010104230
6
Senary
13041140150
8
Octal
536372442
10
Decimal
91878690
12
Duodecimal
2692a656
16
Hexadecimal
579f522
20
Vigesimal
18e4gea
36
Base36
1ipa1u
md5
53846c17ffc8547d18ed5d5ebc2985f8
sha1
f546b662f4a7419f31f9167918cde5ba187910c4
sha256
376be333a1ccac78ded22842b81a06a53c99a529e0e4c4456eca8c97dbd2d58e
sha512
54cea9212d0ea8dba22de3ae3e439ba2d74cab1e55d5c3ed08bfd2e3734d40ad052c0e74ca87f3cdecbb04ae82bb3a3edda96b291296eb847a378f72f2181552
ripemd-160
10a6e573a63712a1a0328e539aaeecf07be65883
Diameter
183757380
Circumference
577290835.05091
Area
2.6520362836742E+16
Volume
3.248874927686E+24
Surface area
1.0608145134697E+17
Circumference
577290835.05091
Perimeter
367514760
Area
8441693676116100
Diagonal
129936089.49107
Surface area
50650162056696600
Volume
7.7561175634283E+23
Space diagonal
159138559.21287
Perimeter
275636070
Area
3.6553605872415E+15
Altitude
79569279.606435
Surface area
3.6553605872415E+15
Volume
9.1406722079671E+22
Height
43312029.830358