39697981 is an odd 8-digits prime number following 39697980
and preceding 39697982 . In scientific notation, it is written as 3.9697981 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 39697980 positive integers (up to 39697981) that are relatively prime to 39697981.
39697981 has 2 divisors, whose sum is 39697982
The reverse of 39697981 is 18979693
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
thirty-nine million six hundred ninety-seven thousand nine hundred eighty-one
Scientific notation
3.9697981 × 10^7
Engineering notation
3.9697981 × 10^6
Prime Factorization
39697981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
39697981
Product of the distinct prime numbers
The prime factorization of 39697981 is 39697981.
Since it has a total of 1 prime factors.
3 , 4 , 24 , 11 , 516 , 803 , 8543 , 215 , 12994 , 39077 , 456828 , 666755 , 7012293 , 9515242 , 98391343 , 85538607 , 939974949 , 32629414 , 5337863673 , 2760809709
n×2
79395962
n×3
119093943
n×4
158791924
n×5
198489905
n÷2
19848990.5
n÷3
13232660.333333
n÷3
9924495.25
n÷5
7939596.2
n2
1575929695476361
n3
6.2561227108356E+22
n4
2.4835544050842E+30
n5
9.85920955855E+37
2 √n
6300.6333808594
3 √n
341.1322718227
4 √n
79.376529156038
5 √n
33.094336915796
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
39697982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
19848991
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
6300.6334602165
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999496196
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 39697981 can be divided by 2 positive divisors.
The sum of these divisors (counting 39697981) is 39697982, the average is 19848991.
Base
System
Value
2
Binary
10010111011011111000111101
3
Ternary
2202200212101121
4
Quaternary
2113123320331
5
Quinary
40130313411
6
Senary
3534510541
8
Octal
227337075
10
Decimal
39697981
12
Duodecimal
11365451
16
Hexadecimal
25dbe3d
20
Vigesimal
c824j1
36
Base36
nmv5p
md5
10b0ff728e9b3562b9aeff4a395c751c
sha1
7e0a50488312cba86e5d8ab8aabf54863888d5ad
sha256
454341f552fdd52d320779d461fc6c517f2ffd488fc29b60cecbe0ecbdf05a35
sha512
344a1167d246d98e5b783b51ab81b3dbfad58ecaa2bec219c8b244349b8542510be3db08b0b22715f1e985ba1b63d976f365a30e675d78a9038b2037eeb3d5d0
ripemd-160
30009dadeca3dfa0eb22a3d82edec0e463b25e2d
Diameter
79395962
Circumference
249429770.94389
Area
4.9509291538825E+15
Volume
2.620558553109E+23
Surface area
1.980371661553E+16
Circumference
249429770.94389
Perimeter
158791924
Area
1575929695476361
Diagonal
56141423.129029
Surface area
9455578172858166
Volume
6.2561227108356E+22
Space diagonal
68758920.049904
Perimeter
119093943
Area
6.823975754304E+14
Altitude
34379460.024952
Surface area
6.823975754304E+14
Volume
7.3729113212784E+21
Height
18713807.709676