21691432 is an even 8-digits composite number following 21691431
and preceding 21691433 . In scientific notation, it is written as 2.1691432 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors.
There are 9238464 positive integers (up to 21691432) that are relatively prime to 21691432.
21691432 has 32 divisors, whose sum is 46771200
The reverse of 21691432 is 23419612
Previous prime number is 173
Is Prime? no Number parity even Number length 8 Sum of Digits 28 Digital Root 1
Name
twenty-one million six hundred ninety-one thousand four hundred thirty-two
Scientific notation
2.1691432 × 10^7
Engineering notation
2.1691432 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 173 × 2239
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
5422858 Product of the distinct prime numbers
The prime factorization of 21691432 is 2 × 2 × 2 × 7 × 173 × 2239.
Since it has a total of 6 prime factors.
9 , 1 , 88 , 59 , 587 , 786 , 4677 , 2869 , 3691 , 30425 , 464337 , 273427 , 5367387 , 5522340 , 21262498 , 9196124 , 74455411 , 636698136 , 6428644907 , 9748553808
n×2
43382864
n×3
65074296
n×4
86765728
n×5
108457160
n÷2
10845716
n÷3
7230477.3333333
n÷3
5422858
n÷5
4338286.4
n2
470518222210624
n3
1.0206214021843E+22
n4
2.2138739743225E+29
n5
4.8022096770585E+36
2 √n4657.4061450554
3 √n278.88773033692
4 √n68.245191369469
5 √n29.326325104309
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 173 , 346 , 692 , 1211 , 1384 , 2239 , 2422 , 4478 , 4844 , 8956 , 9688 , 15673 , 17912 , 31346 , 62692 , 125384 , 387347 , 774694 , 1549388 , 2711429 , 3098776 , 5422858 , 10845716 , 21691432
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
-21691431 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 21691432 can be divided by 32 positive divisors.
The sum of these divisors (counting 21691432) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010101111110000101000
3
Ternary
1111211001001101
4
Quaternary
1102233300220
5
Quinary
21023111212
6
Senary
2052531144
8
Octal
122576050
10
Decimal
21691432
12
Duodecimal
7320ab4
16
Hexadecimal
14afc28
20
Vigesimal
6fb8bc
36
Base36
cwx7s
md5
20e172d2e851883dce7a2fa3e5cfe003
sha1
3fb966eb5458568d33ae5abda52cfe5757844513
sha256
9e77090729c3ee16caaa0abdd0023dfd2e217ea2b975a5939c24bccbac7e50b5
sha512
3d0a0bcb40094946fab3060954d3587b3d7f812a3781fc00f99268cb1976d8fadcf524e1a0e61b07305ce70cc552078938b5be982784ab44e5da23bbd21e06e6
ripemd-160
31a18a6456692933aefe77c1636860b2b2154358
Diameter
43382864
Circumference
136291286.83409
Area
1.478176590277E+15
Volume
4.2751689322648E+22
Surface area
5.9127063611081E+15
Circumference
136291286.83409
Perimeter
86765728
Area
470518222210624
Diagonal
30676317.321694
Surface area
2823109333263744
Volume
1.0206214021843E+22
Space diagonal
37570662.312925
Perimeter
65074296
Area
2.0374036668895E+14
Altitude
18785331.156463
Surface area
2.0374036668895E+14
Volume
1.2028138575144E+21
Height
10225439.107231