15681640 is an even 8-digits composite number following 15681639
and preceding 15681641 . In scientific notation, it is written as 1.5681640 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors.
There are 5670912 positive integers (up to 15681640) that are relatively prime to 15681640.
15681640 has 32 divisors, whose sum is 30472200
The reverse of 15681640 is 04618651
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
fifteen million six hundred eighty-one thousand six hundred forty
Scientific notation
1.5681640 × 10^7
Engineering notation
1.5681640 × 10^6
Prime Factorization
2 × 2 × 2 × 65 × 53 × 569
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3920410
Product of the distinct prime numbers
The prime factorization of 15681640 is 2 × 2 × 2 × 65 × 53 × 569.
Since it has a total of 6 prime factors.
5 , 8 , 15 , 88 , 554 , 309 , 1063 , 1882 , 82938 , 33118 , 921249 , 68149 , 366524 , 4405132 , 87582358 , 16757726 , 284606266 , 485346351 , 5729991043 , 1790033659
n×2
31363280
n×3
47044920
n×4
62726560
n×5
78408200
n÷2
7840820
n÷3
5227213.3333333
n÷3
3920410
n÷5
3136328
n2
245913833089600
n3
3.8563322015312E+21
n4
6.047361330482E+28
n5
9.4832543334539E+35
2 √n
3960.0050505018
3 √n
250.301715724
4 √n
62.928571019068
5 √n
27.483895964516
1 , 2 , 4 , 8 , 53 , 65 , 106 , 130 , 212 , 260 , 424 , 520 , 569 , 1138 , 2276 , 3445 , 4552 , 6890 , 13780 , 27560 , 30157 , 36985 , 60314 , 73970 , 120628 , 147940 , 241256 , 295880 , 1960205 , 3920410 , 7840820 , 15681640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15681639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15681640 can be divided by 32 positive divisors.
The sum of these divisors (counting 15681640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111011110100100001101000
3
Ternary
1002111201011111
4
Quaternary
323310201220
5
Quinary
13003303030
6
Senary
1320040104
8
Octal
73644150
10
Decimal
15681640
12
Duodecimal
5303034
16
Hexadecimal
ef4868
20
Vigesimal
4i0420
36
Base36
9c414
md5
6665dc5652e153dcff0f534b40971081
sha1
5a6b222188d5b558ddc823c15c29b5bf90f13577
sha256
1573b808a6c3233c2150e406734d391d3c471d6daa8c5723fa4631e474cc1b4b
sha512
0ea1f9a38f189427bbb878663bb5c64e708daf1898fd44542a6089922fdc2a3b9b4ecb00973df4ab07800d4242cc06fa5044af078ac5cdb903c14cf338ffa68e
ripemd-160
6cbb3e8939a012d733e2fb03318041a8b409ccaf
Diameter
31363280
Circumference
98530650.04048
Area
7.7256109145039E+14
Volume
1.6153366552176E+22
Surface area
3.0902443658016E+15
Circumference
98530650.04048
Perimeter
62726560
Area
245913833089600
Diagonal
22177187.968252
Surface area
1475482998537600
Volume
3.8563322015312E+21
Space diagonal
27161397.226004
Perimeter
47044920
Area
1.064838132988E+14
Altitude
13580698.613002
Surface area
1.064838132988E+14
Volume
4.5447310836846E+20
Height
7392395.9894175