13851978 is an even 8-digits composite number following 13851977
and preceding 13851979 . In scientific notation, it is written as 1.3851978 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 3829680 positive integers (up to 13851978) that are relatively prime to 13851978.
13851978 has 32 divisors, whose sum is 32686080
The reverse of 13851978 is 87915831
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
thirteen million eight hundred fifty-one thousand nine hundred seventy-eight
Scientific notation
1.3851978 × 10^7
Engineering notation
1.3851978 × 10^6
Prime Factorization
2 × 3 × 7 × 31 × 10639
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
13851978
Product of the distinct prime numbers
The prime factorization of 13851978 is 2 × 3 × 7 × 31 × 10639.
Since it has a total of 5 prime factors.
9 , 7 , 38 , 48 , 439 , 257 , 4764 , 145 , 51059 , 99148 , 625236 , 876513 , 8314745 , 9456829 , 27792582 , 41941424 , 438860331 , 637808339 , 7792193582 , 7102508271
n×2
27703956
n×3
41555934
n×4
55407912
n×5
69259890
n÷2
6925989
n÷3
4617326
n÷3
3462994.5
n÷5
2770395.6
n2
191877294512484
n3
2.6578800622864E+21
n4
3.6816896149431E+28
n5
5.099868354902E+35
2 √n
3721.8245525548
3 √n
240.16180061671
4 √n
61.006758253122
5 √n
26.810342285699
1 , 2 , 3 , 6 , 7 , 14 , 21 , 31 , 42 , 62 , 93 , 186 , 217 , 434 , 651 , 1302 , 10639 , 21278 , 31917 , 63834 , 74473 , 148946 , 223419 , 329809 , 446838 , 659618 , 989427 , 1978854 , 2308663 , 4617326 , 6925989 , 13851978
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
-13851977
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 13851978 can be divided by 32 positive divisors.
The sum of these divisors (counting 13851978) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110100110101110101001010
3
Ternary
222001202100020
4
Quaternary
310311311022
5
Quinary
12021230403
6
Senary
1212521310
8
Octal
64656512
10
Decimal
13851978
12
Duodecimal
4780236
16
Hexadecimal
d35d4a
20
Vigesimal
46b9ii
36
Base36
88w96
md5
5b4026ee4903ec30882b7fa503b32e6a
sha1
0e34ccfa5f019a6ca75d23e4dd7261cecbb4c8d5
sha256
81dd2c202e0e476f7770c62d0736349cf067afe2fd94716d64c2d2aaac82a160
sha512
8617108013d464b7c8e53e01d947816ee3d21bdaf4a9d192566ce6e296bc9fa7ed4c2300b90c8f29c01f31a8daf4db788cf90db54dd22671524452d688ab2223
ripemd-160
0163da8b1947012472de0e424a43b2039e47c478
Diameter
27703956
Circumference
87034544.644975
Area
6.028002988311E+14
Volume
1.1133301970403E+22
Surface area
2.4112011953244E+15
Circumference
87034544.644975
Perimeter
55407912
Area
191877294512484
Diagonal
19589655.153294
Surface area
1151263767074904
Volume
2.6578800622864E+21
Space diagonal
23992329.681326
Perimeter
41555934
Area
83085305728620
Altitude
11996164.840663
Surface area
83085305728620
Volume
3.1323416927055E+20
Height
6529885.0510979