81446708 is an even 8-digits composite number following 81446707
and preceding 81446709 . In scientific notation, it is written as 8.1446708 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 34905720 positive integers (up to 81446708) that are relatively prime to 81446708.
81446708 has 12 divisors, whose sum is 162893472
The reverse of 81446708 is 80764418
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million four hundred forty-six thousand seven hundred eight
Scientific notation
8.1446708 × 10^7
Engineering notation
8.1446708 × 10^6
Prime Factorization
2 × 2 × 7 × 2908811
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40723354
Product of the distinct prime numbers
The prime factorization of 81446708 is 2 × 2 × 7 × 2908811.
Since it has a total of 4 prime factors.
9 , 4 , 72 , 60 , 2 , 784 , 9651 , 459 , 41561 , 83844 , 256492 , 490493 , 737303 , 2116544 , 67912312 , 4971046 , 914155796 , 798482280 , 344768668 , 1684587198
n×2
162893416
n×3
244340124
n×4
325786832
n×5
407233540
n÷2
40723354
n÷3
27148902.666667
n÷3
20361677
n÷5
16289341.6
n2
6633566244037264
n3
5.4028213287676E+23
n4
4.4004201114031E+31
n5
3.5839973189077E+39
2 √n
9024.7829890807
3 √n
433.46880156412
4 √n
94.998857830401
5 √n
38.209794946337
1 , 2 , 4 , 7 , 14 , 28 , 2908811 , 5817622 , 11635244 , 20361677 , 40723354 , 81446708
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81446707
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81446708 can be divided by 12 positive divisors.
The sum of these divisors (counting 81446708) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110101100011100110100
3
Ternary
12200020220212202
4
Quaternary
10312230130310
5
Quinary
131322243313
6
Senary
12025404032
8
Octal
466543464
10
Decimal
81446708
12
Duodecimal
23339618
16
Hexadecimal
4dac734
20
Vigesimal
1590gf8
36
Base36
1chook
md5
8a3baff21b34639f2ec4ac54fbf79fea
sha1
1b8d6651712a69991ba234374c8b35c03121fe60
sha256
16de5963f48555da2eb4d602daf8aa743c37b13f67831b2ff08a83b4aea617a7
sha512
f7316ce3026772b30c32b1fb4b0bf4c3f37841b0e502c326c8ab051622366e95d8c80040dcb449b83392632e3570a3663dfd27c5d235a0b0785992e07964c34d
ripemd-160
bac23dec220cdf4c75d6fb881b7b8a2cc5fdaaee
Diameter
162893416
Circumference
511744759.02375
Area
2.0839962979369E+16
Volume
2.2631285060153E+24
Surface area
8.3359851917475E+16
Circumference
511744759.02375
Perimeter
325786832
Area
6633566244037264
Diagonal
115183039.06424
Surface area
39801397464223584
Volume
5.4028213287676E+23
Space diagonal
141069836.36523
Perimeter
244340124
Area
2.8724184425116E+15
Altitude
70534918.182613
Surface area
2.8724184425116E+15
Volume
6.3672859985181E+22
Height
38394346.354747