81274089 is an odd 8-digits composite number following 81274088
and preceding 81274090 . In scientific notation, it is written as 8.1274089 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 48211200 positive integers (up to 81274089) that are relatively prime to 81274089.
81274089 has 32 divisors, whose sum is 120972544
The reverse of 81274089 is 98047218
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million two hundred seventy-four thousand eighty-nine
Scientific notation
8.1274089 × 10^7
Engineering notation
8.1274089 × 10^6
Prime Factorization
3 × 13 × 37 × 151 × 373
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81274089
Product of the distinct prime numbers
The prime factorization of 81274089 is 3 × 13 × 37 × 151 × 373.
Since it has a total of 5 prime factors.
9 , 3 , 8 , 32 , 903 , 640 , 229 , 7854 , 59596 , 72161 , 651786 , 651044 , 4984004 , 1763424 , 39378342 , 35506342 , 49229371 , 958702024 , 931561385 , 2795855646
n×2
162548178
n×3
243822267
n×4
325096356
n×5
406370445
n÷2
40637044.5
n÷3
27091363
n÷3
20318522.25
n÷5
16254817.8
n2
6605477542779921
n3
5.368541696994E+23
n4
4.363233356817E+31
n5
3.5461781616971E+39
2 √n
9015.2143069369
3 √n
433.16235220265
4 √n
94.948482383537
5 √n
38.193584750722
1 , 3 , 13 , 37 , 39 , 111 , 151 , 373 , 453 , 481 , 1119 , 1443 , 1963 , 4849 , 5587 , 5889 , 13801 , 14547 , 16761 , 41403 , 56323 , 72631 , 168969 , 179413 , 217893 , 538239 , 732199 , 2083951 , 2196597 , 6251853 , 27091363 , 81274089
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
-81274088
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 81274089 can be divided by 32 positive divisors.
The sum of these divisors (counting 81274089) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110000010010011101001
3
Ternary
12122221011002110
4
Quaternary
10312002103221
5
Quinary
131301232324
6
Senary
12021552533
8
Octal
466022351
10
Decimal
81274089
12
Duodecimal
23275749
16
Hexadecimal
4d824e9
20
Vigesimal
157j549
36
Base36
1cdzhl
md5
723d6aa0fcf87b4c98930e035eb92eb5
sha1
23848abbc5d9b6dbffbd57be925a328ef6242321
sha256
572001e91f6315d7a8eae4f35ae3a580fed3e3510fd6e9bd3208a5dff85cba1c
sha512
bdc3b15b6eb185a4e8f60fe9125f8aa41279ce520451de38efadc07750f25417d3a53e0f86162589d03f81070faedd6c619a5a587a556f7eb2eb105f9fdf2527
ripemd-160
96348eae43a1e1604718fcd17e7b3b298eebe36f
Diameter
162548178
Circumference
510660161.85921
Area
2.075171972185E+16
Volume
2.2487694874356E+24
Surface area
8.3006878887399E+16
Circumference
510660161.85921
Perimeter
325096356
Area
6605477542779921
Diagonal
114938918.93332
Surface area
39632865256679526
Volume
5.368541696994E+23
Space diagonal
140770851.48687
Perimeter
243822267
Area
2.8602556780875E+15
Altitude
70385425.743437
Surface area
2.8602556780875E+15
Volume
6.3268870650453E+22
Height
38312972.977773