37981 is an odd 5-digits composite number following 37980
and preceding 37982 . In scientific notation, it is written as 3.7981 × 10^4.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 35964 positive integers (up to 37981) that are relatively prime to 37981.
37981 has 4 divisors, whose sum is 40000
The reverse of 37981 is 18973
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 28
Digital Root 1
Name
thirty-seven thousand nine hundred eighty-one
Scientific notation
3.7981 × 10^4
Engineering notation
3.7981 × 10^3
Prime Factorization
19 × 1999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
37981
Product of the distinct prime numbers
The prime factorization of 37981 is 19 × 1999.
Since it has a total of 2 prime factors.
8 , 9 , 74 , 79 , 708 , 613 , 5866 , 1632 , 99108 , 85323 , 740705 , 383232 , 9056127 , 2113499 , 60275711 , 76007363 , 933760671 , 40905403 , 7371375790 , 8721558192
n×2
75962
n×3
113943
n×4
151924
n×5
189905
n÷2
18990.5
n÷3
12660.333333333
n÷3
9495.25
n÷5
7596.2
n2
1442556361
n3
54789733147141
n4
2080968854661562321
n5
7.9037278068901E+22
2 √n
194.88714683119
3 √n
33.614149841503
4 √n
13.960198667325
5 √n
8.239735655251
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-37980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 37981 can be divided by 4 positive divisors.
The sum of these divisors (counting 37981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010001011101
3
Ternary
1221002201
4
Quaternary
21101131
5
Quinary
2203411
6
Senary
451501
8
Octal
112135
10
Decimal
37981
12
Duodecimal
19b91
16
Hexadecimal
945d
20
Vigesimal
4ej1
36
Base36
tb1
md5
e3354b083f03a9ceb5e01813104be277
sha1
9d3c1a922f1d9e9d68e76d55421f2e57f851feca
sha256
04991a217f9e5556312067d8ae2ad1cc2e9d657d700cf96c67b0e8c249b30459
sha512
4b8ef06949e5346b1e8ecd1d09bd4c38935d238aeae1b4da941ede9ab6386b033e38a23f2ba6f9c63f256691ab68337f99bfd196dd03e6ad7091e8e8ed0edf59
ripemd-160
8764055ed9aacdb80e383e8aa564d63f4b38ec12
Diameter
75962
Circumference
238641.66115199
Area
4531924466.1068
Volume
2.295026975296E+14
Surface area
18127697864.427
Circumference
238641.66115199
Perimeter
151924
Area
1442556361
Diagonal
53713.245312493
Surface area
8655338166
Volume
54789733147141
Space diagonal
65785.021722274
Perimeter
113943
Area
624645227.50842
Altitude
32892.510861137
Surface area
624645227.50842
Volume
6457031974624.1
Height
17904.415104164