28087027400

Names of 28087027400

• Cardinal: 28087027400 can be written as Twenty-eight billion, eighty-seven million, twenty-seven thousand, four hundred.

Scientific notation

• Scientific notation: 2.80870274 × 10¹⁰

Factors of 28087027400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 99

Divisors of 28087027400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 19 20 25 38 40 50 73 76 95 100 146 152 190 200 292 361 365 380 475 584 722 730 760 950 1387 1444 1460 1805 1825 1900 2774 2888 2920 3610 3650 3800 5329 5548 6935 7220 7300 9025 10658 11096 13870 14440 14600 18050 21316 26353 26645 27740 34675 36100 42632 52706 53290 55480 69350 72200 101251 105412 106580 131765 133225 138700 202502 210824 213160 263530 266450 277400 389017 405004 506255 527060 532900 658825 778034 810008 1012510 1054120 1065800 1317650 1556068 1923769 1945085 2025020 2531275 2635300 3112136 3847538 3890170 4050040 5062550 5270600 7391323 7695076 7780340 9618845 9725425 10125100 14782646 15390152 15560680 19237690 19450850 20250200 29565292 36956615 38475380 38901700 48094225 59130584 73913230 76950760 77803400 96188450 140435137 147826460 184783075 192376900 280870274 295652920 369566150 384753800 561740548 702175685 739132300 1123481096 1404351370 1478264600 2808702740 3510878425 5617405480 7021756850 14043513700 28087027400
• Sum of all divisors σ(n): 69877419300
• Sum of proper divisors (its aliquot sum) s(n): 41790391900
• 28087027400 is an abundant number, because the sum of its proper divisors (41790391900) is greater than itself. Its abundance is 13703364500

Bases of 28087027400

• Binary: 11010001010000111100000011011001000₂
• Hexadecimal: 0x68A1E06C8
• Base-36: CWIAH1K

Squares and roots of 28087027400

• 28087027400 squared (28087027400²) is 788881108168350760000
• 28087027400 cubed (28087027400³) is 22157325300466831608930824000000
• The square root of 28087027400 is 167591.8476537567
• The cube root of 28087027400 is 3039.7317471631

Scales and comparisons

• 28,087,027,400 seconds is equal to 893 years, 4 weeks, 1 day, 8 hours, 3 minutes, 20 seconds.
• To count from 1 to 28,087,027,400 would take you about one thousand, seven hundred eighty-six 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 28087027400 cubic inches would be around 253.3 feet tall.

Recreational maths with 28087027400

• 28087027400 backwards is 00472078082
• 28087027400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28087027400's digits is 38
• More coming soon!