91889428 is an even 8-digits composite number following 91889427
and preceding 91889429 . In scientific notation, it is written as 9.1889428 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 45258840 positive integers (up to 91889428) that are relatively prime to 91889428.
91889428 has 12 divisors, whose sum is 163207072
The reverse of 91889428 is 82498819
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
ninety-one million eight hundred eighty-nine thousand four hundred twenty-eight
Scientific notation
9.1889428 × 10^7
Engineering notation
9.1889428 × 10^6
Prime Factorization
2 × 2 × 67 × 342871
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
45944714
Product of the distinct prime numbers
The prime factorization of 91889428 is 2 × 2 × 67 × 342871.
Since it has a total of 4 prime factors.
8 , 10 , 66 , 87 , 445 , 52 , 6031 , 5395 , 90024 , 72846 , 497426 , 890599 , 2088584 , 7337522 , 24048394 , 55373347 , 629523588 , 963288587 , 6966978382 , 1719554250
n×2
183778856
n×3
275668284
n×4
367557712
n×5
459447140
n÷2
45944714
n÷3
30629809.333333
n÷3
22972357
n÷5
18377885.6
n2
8443666978167184
n3
7.7588372884627E+23
n4
7.1295512038191E+31
n5
6.5513038201565E+39
2 √n
9585.8973497529
3 √n
451.25481541708
4 √n
97.907595975761
5 √n
39.142910032407
1 , 2 , 4 , 67 , 134 , 268 , 342871 , 685742 , 1371484 , 22972357 , 45944714 , 91889428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91889427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91889428 can be divided by 12 positive divisors.
The sum of these divisors (counting 91889428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101011110100001111100010100
3
Ternary
20101220110121011
4
Quaternary
11132201330110
5
Quinary
142010430203
6
Senary
13041302004
8
Octal
536417424
10
Decimal
91889428
12
Duodecimal
26934904
16
Hexadecimal
57a1f14
20
Vigesimal
18e63b8
36
Base36
1ipic4
md5
9cddb623d1519ccbbcf0b56baa69a0b4
sha1
61942c1e05bce50b80cc7287479fe6945635ea2e
sha256
909166fdff189cff8991972d26fdd2d630e57e9d3c11397a267106bb29db415d
sha512
846d027fcdcece26b5de7f10da1b5423452ac8be945a608a08e1fa9aad8581400f885cf2ea57902180f4619e73c3f7204786908c78206706f053056a0e33e092
ripemd-160
e0179681ec9d26ad999bd62504cd657260c9bff0
Diameter
183778856
Circumference
577358303.89474
Area
2.6526562147969E+16
Volume
3.2500141634444E+24
Surface area
1.0610624859188E+17
Circumference
577358303.89474
Perimeter
367557712
Area
8443666978167184
Diagonal
129951275.31631
Surface area
50662001869003104
Volume
7.7588372884627E+23
Space diagonal
159157157.97444
Perimeter
275668284
Area
3.6562150520943E+15
Altitude
79578578.987221
Surface area
3.6562150520943E+15
Volume
9.1438774346584E+22
Height
43317091.772102