157678021 is an odd 9-digits composite number following 157678020
and preceding 157678022 . In scientific notation, it is written as 1.57678021 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 154702912 positive integers (up to 157678021) that are relatively prime to 157678021.
157678021 has 4 divisors, whose sum is 160653132
The reverse of 157678021 is 120876751
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred fifty-seven million six hundred seventy-eight thousand twenty-one
Scientific notation
1.57678021 × 10^8
Engineering notation
1.57678021 × 10^6
Prime Factorization
53 × 2975057
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157678021
Product of the distinct prime numbers
The prime factorization of 157678021 is 53 × 2975057.
Since it has a total of 2 prime factors.
5 , 9 , 79 , 85 , 948 , 149 , 1418 , 8598 , 98173 , 10003 , 799053 , 813577 , 3075841 , 7396378 , 21691761 , 16575038 , 175512483 , 437583524 , 9248172777 , 4350192696
n×2
315356042
n×3
473034063
n×4
630712084
n×5
788390105
n÷2
78839010.5
n÷3
52559340.333333
n÷3
39419505.25
n÷5
31535604.2
n2
24862358306476441
n3
3.9202474551581E+24
n4
6.1813686055962E+32
n5
9.7466596880194E+40
2 √n
12556.990921395
3 √n
540.24454059124
4 √n
112.05798017721
5 √n
43.606801417314
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
-157678020
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 157678021 can be divided by 4 positive divisors.
The sum of these divisors (counting 157678021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011001011111100111000101
3
Ternary
101222200212120201
4
Quaternary
21121133213011
5
Quinary
310331144041
6
Senary
23351330501
8
Octal
1131374705
10
Decimal
157678021
12
Duodecimal
44980a31
16
Hexadecimal
965f9c5
20
Vigesimal
2959f11
36
Base36
2lvl51
md5
ade1e5e7ce8ae83c675d02d2fb0d9423
sha1
0c3e3aa07581e6482b44050d3e143e2bc2b5d928
sha256
0f225cfd05f5439d7644798fa880ee408fe84a19d5808c3cf3617c1553b504e8
sha512
e86211d914e552d0ebc3f86e8e2d5c01940ae8733809f8a2c3e50827b7ec1c97b4ba696eb3de39611dba04ff5286785cd679b07434ca0f232f70b5e48b9650b8
ripemd-160
dfad688e02cf6a4deacda71a2aaea62313906844
Diameter
315356042
Circumference
990720224.81235
Area
7.8107402206544E+16
Volume
1.6421094140505E+25
Surface area
3.1242960882617E+17
Circumference
990720224.81235
Perimeter
630712084
Area
24862358306476441
Diagonal
222990395.78635
Surface area
149174149838858646
Volume
3.9202474551581E+24
Space diagonal
273106343.60891
Perimeter
473034063
Area
1.07657169457E+16
Altitude
136553171.80446
Surface area
1.07657169457E+16
Volume
4.6200559324527E+23
Height
74330131.928783