139611987 is an odd 9-digits composite number following 139611986
and preceding 139611988 . In scientific notation, it is written as 1.39611987 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 91685088 positive integers (up to 139611987) that are relatively prime to 139611987.
139611987 has 8 divisors, whose sum is 157440400
The reverse of 139611987 is 789116931
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred thirty-nine million six hundred eleven thousand nine hundred eighty-seven
Scientific notation
1.39611987 × 10^8
Engineering notation
1.39611987 × 10^6
Prime Factorization
9 × 67 × 231529
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
139611987
Product of the distinct prime numbers
The prime factorization of 139611987 is 9 × 67 × 231529.
Since it has a total of 3 prime factors.
4 , 2 , 93 , 34 , 662 , 857 , 859 , 8388 , 71482 , 31378 , 777156 , 932351 , 4816256 , 5917734 , 27061722 , 69769539 , 281641578 , 579135582 , 3180891594 , 2582586759
n×2
279223974
n×3
418835961
n×4
558447948
n×5
698059935
n÷2
69805993.5
n÷3
46537329
n÷3
34902996.75
n÷5
27922397.4
n2
19491506914088169
n3
2.7212480099001E+24
n4
3.7991884178195E+32
n5
5.3041224399916E+40
2 √n
11815.751647695
3 √n
518.76926270949
4 √n
108.70028356768
5 √n
42.558326456251
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
-139611986
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 139611987 can be divided by 8 positive divisors.
The sum of these divisors (counting 139611987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010100100100111101010011
3
Ternary
100201201000122100
4
Quaternary
20110210331103
5
Quinary
241220040422
6
Senary
21504211443
8
Octal
1024447523
10
Decimal
139611987
12
Duodecimal
3a909b83
16
Hexadecimal
8524f53
20
Vigesimal
23cb9j7
36
Base36
2b4dar
md5
b10f32b035289c567ff63d6638351629
sha1
88bede601e6021486aff55dfe07a5242aca55f5b
sha256
ee30e668bfa88ab30d37c7cd90ca127b6fc287bf59fa24085a0fa4f08ed7cb8c
sha512
ec8019b6fa88323b5343773bab5845d8d1f772f492e9e76173208125552021d15632866a005728ed48e7551d60de87f29a077d1a6b975b7b4d919d53f05365a7
ripemd-160
b9e5fe153de23088959bb0b6463a4da873cf5927
Diameter
279223974
Circumference
877207985.42455
Area
6.1234374928694E+16
Volume
1.1398737008664E+25
Surface area
2.4493749971478E+17
Circumference
877207985.42455
Perimeter
558447948
Area
19491506914088169
Diagonal
197441165.48526
Surface area
116949041484529014
Volume
2.7212480099001E+24
Space diagonal
241815054.82965
Perimeter
418835961
Area
8.4400700728202E+15
Altitude
120907527.41482
Surface area
8.4400700728202E+15
Volume
3.2070215351512E+23
Height
65813721.828419