8125020800

Names of 8125020800

• Cardinal: 8125020800 can be written as Eight billion, one hundred twenty-five million, twenty thousand, eight hundred.

Scientific notation

• Scientific notation: 8.1250208 × 10⁹

Factors of 8125020800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 11526

Divisors of 8125020800

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 20 25 26 32 34 40 50 52 64 65 68 80 85 100 104 128 130 136 160 170 200 208 221 260 272 320 325 340 400 416 425 442 520 544 640 650 680 800 832 850 884 1040 1088 1105 1300 1360 1600 1664 1700 1768 2080 2176 2210 2600 2720 3200 3400 3536 4160 4420 5200 5440 5525 6800 7072 8320 8840 10400 10880 11050 11489 13600 14144 17680 20800 22100 22978 27200 28288 35360 41600 44200 45956 54400 57445 70720 88400 91912 114890 141440 149357 176800 183824 195313 229780 287225 298714 353600 367648 390626 459560 574450 597428 707200 735296 746785 781252 919120 976565 1148900 1194856 1470592 1493570 1562504 1838240 1953130 2297800 2389712 2539069 2987140 3125008 3676480 3733925 3906260 4595600 4779424 4882825 5078138 5974280 6250016 7352960 7467850 7812520 9191200 9558848 9765650 10156276 11948560 12500032 12695345 14935700 15625040 18382400 19117696 19531300 20312552 23897120 25000064 25390690 29871400 31250080 36764800 39062600 40625104 47794240 50781380 59742800 62500160 63476725 78125200 81250208 95588480 101562760 119485600 125000320 126953450 156250400 162500416 203125520 238971200 253906900 312500800 325000832 406251040 477942400 507813800 625001600 812502080 1015627600 1625004160 2031255200 4062510400 8125020800
• Sum of all divisors σ(n): 22888769400
• Sum of proper divisors (its aliquot sum) s(n): 14763748600
• 8125020800 is an abundant number, because the sum of its proper divisors (14763748600) is greater than itself. Its abundance is 6638727800

Bases of 8125020800

• Binary: 111100100010010011111101010000000₂
• Hexadecimal: 0x1E449FA80
• Base-36: 3QDFE68

Squares and roots of 8125020800

• 8125020800 squared (8125020800²) is 66015963000432640000
• 8125020800 cubed (8125020800³) is 536381072510545608998912000000
• The square root of 8125020800 is 90138.8972641667
• The cube root of 8125020800 is 2010.3645948027

Scales and comparisons

• 8,125,020,800 seconds is equal to 258 years, 18 weeks, 1 day, 14 hours, 13 minutes, 20 seconds.
• To count from 1 to 8,125,020,800 would take you about five hundred sixteen 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 8125020800 cubic inches would be around 167.5 feet tall.

Recreational maths with 8125020800

• 8125020800 backwards is 0080205218
• 8125020800 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8125020800's digits is 26
• More coming soon!