78137961 is an odd 8-digits composite number following 78137960
and preceding 78137962 . In scientific notation, it is written as 7.8137961 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 47356320 positive integers (up to 78137961) that are relatively prime to 78137961.
78137961 has 8 divisors, whose sum is 113655264
The reverse of 78137961 is 16973187
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million one hundred thirty-seven thousand nine hundred sixty-one
Scientific notation
7.8137961 × 10^7
Engineering notation
7.8137961 × 10^6
Prime Factorization
3 × 11 × 2367817
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78137961
Product of the distinct prime numbers
The prime factorization of 78137961 is 3 × 11 × 2367817.
Since it has a total of 3 prime factors.
6 , 8 , 47 , 33 , 93 , 183 , 2112 , 8370 , 41223 , 70061 , 185280 , 202029 , 9153836 , 6162665 , 47592918 , 30893576 , 601422402 , 817121184 , 2760410924 , 6422402010
n×2
156275922
n×3
234413883
n×4
312551844
n×5
390689805
n÷2
39068980.5
n÷3
26045987
n÷3
19534490.25
n÷5
15627592.2
n2
6105540949237521
n3
4.7707452057542E+23
n4
3.7277630282816E+31
n5
2.9127980212111E+39
2 √n
8839.5679193047
3 √n
427.51762589343
4 √n
94.018976378732
5 √n
37.894171372289
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78137960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78137961 can be divided by 8 positive divisors.
The sum of these divisors (counting 78137961) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101010000100101001101001
3
Ternary
12110000211010120
4
Quaternary
10222010221221
5
Quinary
130000403321
6
Senary
11430433453
8
Octal
452045151
10
Decimal
78137961
12
Duodecimal
22202889
16
Hexadecimal
4a84a69
20
Vigesimal
14874i1
36
Base36
1airmx
md5
77ba84c3f8d7fd23fdcabdd1011adeda
sha1
28d4f19a518fffd6cf8ca7e6a2388734d294fb57
sha256
423189bb9ce5354b2fa078f086a17b9db6862d253ac29035040f0b457503a150
sha512
87578c49333bbf0aff4f411c8f18d13d1ef126b32b52895399d402abd09179549056df362c73f264a31ba60214d0d224f4039af2710c1e4fb58593bfcde32766
ripemd-160
792625cdbdc417120113fa7ef4b09ee2c3857726
Diameter
156275922
Circumference
490955288.48817
Area
1.9181122592316E+16
Volume
1.9983650787395E+24
Surface area
7.6724490369265E+16
Circumference
490955288.48817
Perimeter
312551844
Area
6105540949237521
Diagonal
110503764.18238
Surface area
36633245695425126
Volume
4.7707452057542E+23
Space diagonal
135338918.45184
Perimeter
234413883
Area
2.6437767829429E+15
Altitude
67669459.225918
Surface area
2.6437767829429E+15
Volume
5.6223771438367E+22
Height
36834588.060793