47745981 is an odd 8-digits composite number following 47745980
and preceding 47745982 . In scientific notation, it is written as 4.7745981 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 31308480 positive integers (up to 47745981) that are relatively prime to 47745981.
47745981 has 12 divisors, whose sum is 70097820
The reverse of 47745981 is 18954774
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
forty-seven million seven hundred forty-five thousand nine hundred eighty-one
Scientific notation
4.7745981 × 10^7
Engineering notation
4.7745981 × 10^6
Prime Factorization
3 × 3 × 61 × 86969
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15915327
Product of the distinct prime numbers
The prime factorization of 47745981 is 3 × 3 × 61 × 86969.
Since it has a total of 4 prime factors.
5 , 4 , 41 , 57 , 529 , 456 , 558 , 3502 , 76187 , 867 , 658253 , 307806 , 4688110 , 9220337 , 9423249 , 85973453 , 992068586 , 656190740 , 3080040631 , 8152137536
n×2
95491962
n×3
143237943
n×4
190983924
n×5
238729905
n÷2
23872990.5
n÷3
15915327
n÷3
11936495.25
n÷5
9549196.2
n2
2279678701652361
n3
1.088454959752E+23
n4
5.1969349827674E+30
n5
2.4813275894545E+38
2 √n
6909.8466697894
3 √n
362.78189662121
4 √n
83.125487486026
5 √n
34.338977895158
1 , 3 , 9 , 61 , 183 , 549 , 86969 , 260907 , 782721 , 5305109 , 15915327 , 47745981
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
-47745980
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 47745981 can be divided by 12 positive divisors.
The sum of these divisors (counting 47745981) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10110110001000101110111101
3
Ternary
10022211202011200
4
Quaternary
2312020232331
5
Quinary
44210332411
6
Senary
4423210113
8
Octal
266105675
10
Decimal
47745981
12
Duodecimal
13ba6939
16
Hexadecimal
2d88bbd
20
Vigesimal
ei84j1
36
Base36
sfd19
md5
cf4799e7e8536baa6aeee7030ba0374b
sha1
4e866c3515d79e65530736c92fe17aa1eb0f514f
sha256
9433249f441701f0832295861772adf2d8a36258c006e07490d25a4c9dd6bd52
sha512
532e91a744de47fd1321a6cc2369574233ce1c18fe7518f5a89cd623be6967e65ca97854958d8c1afc1cabcbf14d696915e2fc7bf90d0778151cffec68353150
ripemd-160
56dba59c45de140e5f8097435f47c9cdbbd33cfd
Diameter
95491962
Circumference
299996846.29608
Area
7.1618218616562E+15
Volume
4.5593094737603E+23
Surface area
2.8647287446625E+16
Circumference
299996846.29608
Perimeter
190983924
Area
2279678701652361
Diagonal
67523013.879008
Surface area
13678072209914166
Volume
1.088454959752E+23
Space diagonal
82698464.949218
Perimeter
143237943
Area
9.8712983404864E+14
Altitude
41349232.474609
Surface area
9.8712983404864E+14
Volume
1.2827564717613E+22
Height
22507671.293003