15681661 is an odd 8-digits prime number following 15681660
and preceding 15681662 . In scientific notation, it is written as 1.5681661 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 15681660 positive integers (up to 15681661) that are relatively prime to 15681661.
15681661 has 2 divisors, whose sum is 15681662
The reverse of 15681661 is 16618651
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
fifteen million six hundred eighty-one thousand six hundred sixty-one
Scientific notation
1.5681661 × 10^7
Engineering notation
1.5681661 × 10^6
Prime Factorization
15681661
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
15681661
Product of the distinct prime numbers
The prime factorization of 15681661 is 15681661.
Since it has a total of 1 prime factors.
10 , 6 , 7 , 77 , 21 , 498 , 1736 , 7146 , 31500 , 95371 , 19193 , 753501 , 1989719 , 6083443 , 28273076 , 73030815 , 332402796 , 250680766 , 1440578747 , 8532206571
n×2
31363322
n×3
47044983
n×4
62726644
n×5
78408305
n÷2
7840830.5
n÷3
5227220.3333333
n÷3
3920415.25
n÷5
3136332.2
n2
245914491718921
n3
3.8563476941234E+21
n4
6.0473937237375E+28
n5
9.483317830918E+35
2 √n
3960.0077020127
3 √n
250.3018274541
4 √n
62.928592086688
5 √n
27.4839033255
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
15681662
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
7840831
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3960.0078282751
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998724625
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15681661 can be divided by 2 positive divisors.
The sum of these divisors (counting 15681661) is 15681662, the average is 7840831.
Base
System
Value
2
Binary
111011110100100001111101
3
Ternary
1002111201012021
4
Quaternary
323310201331
5
Quinary
13003303121
6
Senary
1320040141
8
Octal
73644175
10
Decimal
15681661
12
Duodecimal
5303051
16
Hexadecimal
ef487d
20
Vigesimal
4i0431
36
Base36
9c41p
md5
b2762899629d798e13ff280684ae34f4
sha1
cf2ed80d2c9847f5ae6d46fa984c2d9bd863bc51
sha256
73846b932fab4b0dd3ee3be6cb2f2a9dc5674df42fcf7c0da3566db186e0b7b7
sha512
d003d767a46b42c66d470c0810177b5a72b1074708d25c09b4d1cc37f28d2ebe150ecf81c406396914a0ce22e26d38f095883894281a3e2ce4f7ea8c44d75522
ripemd-160
e03a935084fc9d69e86c3de439be4a95a646d4c0
Diameter
31363322
Circumference
98530781.987371
Area
7.7256316059543E+14
Volume
1.6153431447395E+22
Surface area
3.0902526423817E+15
Circumference
98530781.987371
Perimeter
62726644
Area
245914491718921
Diagonal
22177217.666737
Surface area
1475486950313526
Volume
3.8563476941234E+21
Space diagonal
27161433.599071
Perimeter
47044983
Area
1.0648409849366E+14
Altitude
13580716.799536
Surface area
1.0648409849366E+14
Volume
4.5447493418796E+20
Height
7392405.8889124