28107132840

Names of 28107132840

• Cardinal: 28107132840 can be written as Twenty-eight billion, one hundred seven million, one hundred thirty-two thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.810713284 × 10¹⁰

Factors of 28107132840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 10968

Divisors of 28107132840

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 270 324 360 405 540 648 810 859 1080 1620 1718 2577 3240 3436 4295 5154 6872 7731 8590 10099 10308 12885 15462 17180 20198 20616 23193 25770 30297 30924 34360 38655 40396 46386 50495 51540 60594 61848 69579 77310 80792 90891 92772 100990 103080 115965 121188 139158 151485 154620 181782 185544 201980 231930 242376 272673 278316 302970 309240 347895 363564 403960 454455 463860 545346 556632 605940 695790 727128 818019 908910 927720 1090692 1211880 1363365 1391580 1636038 1817820 2181384 2726730 2783160 3272076 3635640 4090095 5453460 6544152 8180190 8675041 10906920 16360380 17350082 26025123 32720760 34700164 43375205 52050246 69400328 78075369 86750410 104100492 130125615 156150738 173500820 208200984 234226107 260251230 312301476 347001640 390376845 468452214 520502460 624602952 702678321 780753690 936904428 1041004920 1171130535 1405356642 1561507380 1873808856 2342261070 2810713284 3123014760 3513391605 4684522140 5621426568 7026783210 9369044280 14053566420 28107132840
• Sum of all divisors σ(n): 94590540000
• Sum of proper divisors (its aliquot sum) s(n): 66483407160
• 28107132840 is an abundant number, because the sum of its proper divisors (66483407160) is greater than itself. Its abundance is 38376274320

Bases of 28107132840

• Binary: 11010001011010100001100111110101000₂
• Hexadecimal: 0x68B50CFA8
• Base-36: CWU9EI0

Squares and roots of 28107132840

• 28107132840 squared (28107132840²) is 790010916485406465600
• 28107132840 cubed (28107132840³) is 22204941774705465450014090304000
• The square root of 28107132840 is 167651.8202704641
• The cube root of 28107132840 is 3040.4568810665

Scales and comparisons

• 28,107,132,840 seconds is equal to 893 years, 37 weeks, 3 days, 54 minutes.
• To count from 1 to 28,107,132,840 would take you about one thousand, seven hundred eighty-seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 28107132840 cubic inches would be around 253.4 feet tall.

Recreational maths with 28107132840

• 28107132840 backwards is 04823170182
• 28107132840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28107132840's digits is 36
• More coming soon!