12981370 is an even 8-digits composite number following 12981369
and preceding 12981371 . In scientific notation, it is written as 1.2981370 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors.
There are 4628736 positive integers (up to 12981370) that are relatively prime to 12981370.
12981370 has 32 divisors, whose sum is 26049600
The reverse of 12981370 is 07318921
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million nine hundred eighty-one thousand three hundred seventy
Scientific notation
1.2981370 × 10^7
Engineering notation
1.2981370 × 10^6
Prime Factorization
2 × 17 × 5 × 19 × 4019
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12981370
Product of the distinct prime numbers
The prime factorization of 12981370 is 2 × 17 × 5 × 19 × 4019.
Since it has a total of 5 prime factors.
2 , 2 , 43 , 72 , 152 , 492 , 7897 , 5746 , 19998 , 31662 , 648661 , 688282 , 2015028 , 6300462 , 22114657 , 87160356 , 681804260 , 547657733 , 8541443122 , 2302311222
n×2
25962740
n×3
38944110
n×4
51925480
n×5
64906850
n÷2
6490685
n÷3
4327123.3333333
n÷3
3245342.5
n÷5
2596274
n2
168515967076900
n3
2.1875681195331E+21
n4
2.8397631159863E+28
n5
3.6864015720971E+35
2 √n
3602.9668330419
3 √n
235.02109362491
4 √n
60.024718516974
5 √n
26.464525138087
1 , 2 , 5 , 10 , 17 , 19 , 34 , 38 , 85 , 95 , 170 , 190 , 323 , 646 , 1615 , 3230 , 4019 , 8038 , 20095 , 40190 , 68323 , 76361 , 136646 , 152722 , 341615 , 381805 , 683230 , 763610 , 1298137 , 2596274 , 6490685 , 12981370
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
-12981369
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 12981370 can be divided by 32 positive divisors.
The sum of these divisors (counting 12981370) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110001100001010001111010
3
Ternary
220102112002111
4
Quaternary
301201101322
5
Quinary
11310400440
6
Senary
1142122534
8
Octal
61412172
10
Decimal
12981370
12
Duodecimal
442044a
16
Hexadecimal
c6147a
20
Vigesimal
412d8a
36
Base36
7q8hm
md5
4c5e1b1eb7e121ca76211ee81c0ca934
sha1
248b8dbdf448b01a15a7bdf77c6cf2af82bf63d2
sha256
d9850c49c1e3bf97bffd3828a15c335ae15c616f6e44c0d6ef1a4ced826a3786
sha512
b74684e9a4b41e76ce0dc00dab4e39f63e829d9ed77c26e6733d6f2bcf4536b8845754007cb9b296492619244b4a696b225c4bee052530ac5466305fb81db8b5
ripemd-160
c3556143cd1722e82f8b1ddbf0aa217876a207b4
Diameter
25962740
Circumference
81564353.251062
Area
5.2940852418137E+14
Volume
9.1632639114031E+21
Surface area
2.1176340967255E+15
Circumference
81564353.251062
Perimeter
51925480
Area
168515967076900
Diagonal
18358429.512183
Surface area
1011095802461400
Volume
2.1875681195331E+21
Space diagonal
22484392.39185
Perimeter
38944110
Area
72969554215949
Altitude
11242196.195925
Surface area
72969554215949
Volume
2.5780737527155E+20
Height
6119476.5040611