156978139 is an odd 9-digits composite number following 156978138
and preceding 156978140 . In scientific notation, it is written as 1.56978139 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 155423800 positive integers (up to 156978139) that are relatively prime to 156978139.
156978139 has 4 divisors, whose sum is 158532480
The reverse of 156978139 is 931879651
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred fifty-six million nine hundred seventy-eight thousand one hundred thirty-nine
Scientific notation
1.56978139 × 10^8
Engineering notation
1.56978139 × 10^6
Prime Factorization
101 × 1554239
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
156978139
Product of the distinct prime numbers
The prime factorization of 156978139 is 101 × 1554239.
Since it has a total of 2 prime factors.
8 , 8 , 30 , 60 , 662 , 723 , 5318 , 1999 , 53206 , 96840 , 580841 , 386124 , 8556348 , 7021055 , 77214987 , 74174619 , 894935022 , 454834520 , 91637673 , 825860735
n×2
313956278
n×3
470934417
n×4
627912556
n×5
784890695
n÷2
78489069.5
n÷3
52326046.333333
n÷3
39244534.75
n÷5
31395627.8
n2
24642136123903321
n3
3.868276669715E+24
n4
6.0723487274898E+32
n5
9.5322600260037E+40
2 √n
12529.091706904
3 √n
539.44403112437
4 √n
111.93342533356
5 √n
43.568021190803
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-156978138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156978139 can be divided by 4 positive divisors.
The sum of these divisors (counting 156978139) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010110110100101111011011
3
Ternary
101221101022112011
4
Quaternary
21112310233123
5
Quinary
310141300024
6
Senary
23324330351
8
Octal
1126645733
10
Decimal
156978139
12
Duodecimal
446a39b7
16
Hexadecimal
95b4bdb
20
Vigesimal
291256j
36
Base36
2lgl3v
md5
b536e13281a8adcdb8f21877aba8421b
sha1
6d60c10eda3581170eebaee9d8ab29525f97e073
sha256
20fddae67ec1ad4a61d1ea1696fcaf7613cd99e81ec024aba5b26e4618dd4473
sha512
a392a60341c80a64c0b0745d1b93ec19b1efb7664b60ef27442f311310f9a2e4d61a482eb37224d62cff393003c829a596b9bdd943cfd44a83dd31156ab1bcc9
ripemd-160
9a8ffced46777ead7526c1a2eb20322f61ba3912
Diameter
313956278
Circumference
986322736.51319
Area
7.7415553815614E+16
Volume
1.6203399423506E+25
Surface area
3.0966221526246E+17
Circumference
986322736.51319
Perimeter
627912556
Area
24642136123903321
Diagonal
222000613.16989
Surface area
147852816743419926
Volume
3.868276669715E+24
Space diagonal
271894112.42561
Perimeter
470934417
Area
1.0670357943407E+16
Altitude
135947056.2128
Surface area
1.0670357943407E+16
Volume
4.5588077744353E+23
Height
74000204.389963