75545981 is an odd 8-digits composite number following 75545980
and preceding 75545982 . In scientific notation, it is written as 7.5545981 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 64592928 positive integers (up to 75545981) that are relatively prime to 75545981.
75545981 has 8 divisors, whose sum is 86552640
The reverse of 75545981 is 18954557
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-five million five hundred forty-five thousand nine hundred eighty-one
Scientific notation
7.5545981 × 10^7
Engineering notation
7.5545981 × 10^6
Prime Factorization
7 × 409 × 26387
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
75545981
Product of the distinct prime numbers
The prime factorization of 75545981 is 7 × 409 × 26387.
Since it has a total of 3 prime factors.
9 , 4 , 13 , 43 , 336 , 175 , 9929 , 6670 , 70452 , 80298 , 643235 , 246406 , 7916320 , 4948450 , 31051028 , 23097455 , 578586559 , 648343833 , 1457315695 , 7377216550
n×2
151091962
n×3
226637943
n×4
302183924
n×5
377729905
n÷2
37772990.5
n÷3
25181993.666667
n÷3
18886495.25
n÷5
15109196.2
n2
5707195245252361
n3
4.3115566356113E+23
n4
3.2572077567431E+31
n5
2.4606895530397E+39
2 √n
8691.7191049872
3 √n
422.73718880799
4 √n
93.229389706182
5 √n
37.639363702109
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-75545980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 75545981 can be divided by 8 positive divisors.
The sum of these divisors (counting 75545981) is 1, the average is 0.125.
Base
System
Value
2
Binary
100100000001011110101111101
3
Ternary
12021011010121022
4
Quaternary
10200023311331
5
Quinary
123314432411
6
Senary
11255113525
8
Octal
440136575
10
Decimal
75545981
12
Duodecimal
213728a5
16
Hexadecimal
480bd7d
20
Vigesimal
13c34j1
36
Base36
18z7nh
md5
5e55e76241732723055a91a68d44a02e
sha1
f0f0a0a90fa9c0f3c7185286a07b276ea09323a7
sha256
380dfd4abf8a3544df9503b3397d12de6568eb37d1a9c72ffc50bb51ab97c413
sha512
9ac0c5efeba130cf6a78b6756d2ba8bb84f8a489c46841a9e923b8a294cd7196b96ef4e6ca9e776b16801a0fdf1959d3a4c6f28957ef305374803420d938b428
ripemd-160
9f71c86978b5b8f4b45e3e179367c99e76c8d829
Diameter
151091962
Circumference
474669397.83567
Area
1.7929682655087E+16
Volume
1.806020620263E+24
Surface area
7.171873062035E+16
Circumference
474669397.83567
Perimeter
302183924
Area
5707195245252361
Diagonal
106838150.91298
Surface area
34243171471514166
Volume
4.3115566356113E+23
Space diagonal
130849477.39963
Perimeter
226637943
Area
2.4712880333732E+15
Altitude
65424738.699817
Surface area
2.4712880333732E+15
Volume
5.0812182241843E+22
Height
35612716.970993