12991750 is an even 8-digits composite number following 12991749
and preceding 12991751 . In scientific notation, it is written as 1.2991750 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors.
There are 5148000 positive integers (up to 12991750) that are relatively prime to 12991750.
12991750 has 32 divisors, whose sum is 24549408
The reverse of 12991750 is 05719921
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million nine hundred ninety-one thousand seven hundred fifty
Scientific notation
1.2991750 × 10^7
Engineering notation
1.2991750 × 10^6
Prime Factorization
2 × 25 × 5 × 157 × 331
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12991750
Product of the distinct prime numbers
The prime factorization of 12991750 is 2 × 25 × 5 × 157 × 331.
Since it has a total of 5 prime factors.
2 , 1 , 100 , 94 , 915 , 242 , 9658 , 6207 , 70021 , 95767 , 88081 , 630146 , 1519417 , 6767790 , 16032738 , 42615019 , 422306355 , 48685615 , 4706904264 , 5838208194
n×2
25983500
n×3
38975250
n×4
51967000
n×5
64958750
n÷2
6495875
n÷3
4330583.3333333
n÷3
3247937.5
n÷5
2598350
n2
168785568062500
n3
2.192819903876E+21
n4
2.8488567986181E+28
n5
3.7011635313446E+35
2 √n
3604.4070247407
3 √n
235.08371847425
4 √n
60.03671397354
5 √n
26.468756031308
1 , 2 , 5 , 10 , 25 , 50 , 125 , 157 , 250 , 314 , 331 , 662 , 785 , 1570 , 1655 , 3310 , 3925 , 7850 , 8275 , 16550 , 19625 , 39250 , 41375 , 51967 , 82750 , 103934 , 259835 , 519670 , 1299175 , 2598350 , 6495875 , 12991750
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
-12991749
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 12991750 can be divided by 32 positive divisors.
The sum of these divisors (counting 12991750) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110001100011110100000110
3
Ternary
220110001022221
4
Quaternary
301203310012
5
Quinary
11311214000
6
Senary
1142242554
8
Octal
61436406
10
Decimal
12991750
12
Duodecimal
442645a
16
Hexadecimal
c63d06
20
Vigesimal
413j7a
36
Base36
7qghy
md5
cb8524952ab67b3b6b2e8d8951a7e29a
sha1
680dce07babeb36baf8f00f9bd922d86a963aeec
sha256
f7bab0632d4e21374d6160dbcdad13ae45c1155f1c9886ba4f4372282e3cc67c
sha512
7a6fc9f3c3c547cae84b91f1d8e7636e9def21a59afaca4f53a67abdbee3a120f27fb1296ca04e9f6b5bbf6180407e69e13ea7db37ac8dc12a288af163a55e94
ripemd-160
9ec477cabfd9f788cc8cc74c3021c77232eb483b
Diameter
25983500
Circumference
81629572.71455
Area
5.3025550065713E+14
Volume
9.1852625342164E+21
Surface area
2.1210220026285E+15
Circumference
81629572.71455
Perimeter
51967000
Area
168785568062500
Diagonal
18373109.048961
Surface area
1012713408375000
Volume
2.192819903876E+21
Space diagonal
22502371.079233
Perimeter
38975250
Area
73086294867156
Altitude
11251185.539616
Surface area
73086294867156
Volume
2.5842630399192E+20
Height
6124369.6829869