15138907 is an odd 8-digits composite number following 15138906
and preceding 15138908 . In scientific notation, it is written as 1.5138907 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 12882024 positive integers (up to 15138907) that are relatively prime to 15138907.
15138907 has 8 divisors, whose sum is 17427200
The reverse of 15138907 is 70983151
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
fifteen million one hundred thirty-eight thousand nine hundred seven
Scientific notation
1.5138907 × 10^7
Engineering notation
1.5138907 × 10^6
Prime Factorization
7 × 139 × 15559
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15138907
Product of the distinct prime numbers
The prime factorization of 15138907 is 7 × 139 × 15559.
Since it has a total of 3 prime factors.
2 , 10 , 47 , 45 , 278 , 363 , 7845 , 7317 , 68866 , 74390 , 274666 , 461675 , 3780238 , 4025199 , 34055362 , 26477383 , 892832872 , 319898504 , 8696758897 , 1655370750
n×2
30277814
n×3
45416721
n×4
60555628
n×5
75694535
n÷2
7569453.5
n÷3
5046302.3333333
n÷3
3784726.75
n÷5
3027781.4
n2
229186505154649
n3
3.4696331871913E+21
n4
5.2526454145002E+28
n5
7.9519310434095E+35
2 √n
3890.8748373598
3 √n
247.38014534902
4 √n
62.376877425532
5 √n
27.290965738686
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
-15138906
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 15138907 can be divided by 8 positive divisors.
The sum of these divisors (counting 15138907) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001110000000001011011
3
Ternary
1001111010200021
4
Quaternary
321300001123
5
Quinary
12333421112
6
Senary
1300251311
8
Octal
71600133
10
Decimal
15138907
12
Duodecimal
50a0b37
16
Hexadecimal
e7005b
20
Vigesimal
4ec757
36
Base36
90h97
md5
8527eb616e2e1c95d302e2d699685aeb
sha1
cfecfa0cafe10985d42acce0c7d29b62a1534520
sha256
30a5fe7069d915999ed6c3cc04821b0162f68abd28ef4fb9b8673cae1596427d
sha512
23bd0e57c56ac2f1b7eb44bcfe815bc068d154dbf091f33a30da2a625c576a0c26cf16e1f4890d3cbf492e6d27853cc1286974b2c4bc5ea393f820514c049684
ripemd-160
ee1cf3b16354860954fef7dc0e36d7c8b568b297
Diameter
30277814
Circumference
95120558.029158
Area
7.2001064089576E+14
Volume
1.4533565508709E+22
Surface area
2.8800425635831E+15
Circumference
95120558.029158
Perimeter
60555628
Area
229186505154649
Diagonal
21409647.598905
Surface area
1375119030927894
Volume
3.4696331871913E+21
Space diagonal
26221356.09506
Perimeter
45416721
Area
99240667834250
Altitude
13110678.04753
Surface area
99240667834250
Volume
4.0890019248214E+20
Height
7136549.199635