40205139800

Names of 40205139800

• Cardinal: 40205139800 can be written as Forty billion, two hundred five million, one hundred thirty-nine thousand, eight hundred.

Scientific notation

• Scientific notation: 4.02051398 × 10¹⁰

Factors of 40205139800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 932

Divisors of 40205139800

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 25 28 35 37 40 50 56 70 74 100 140 148 175 185 200 259 280 296 350 370 518 700 740 881 925 1036 1295 1400 1480 1762 1850 2072 2590 3524 3700 4405 5180 6167 6475 7048 7400 8810 10360 12334 12950 17620 22025 24668 25900 30835 32597 35240 44050 49336 51800 61670 65194 88100 123340 130388 154175 162985 176200 228179 246680 260776 308350 325970 456358 616700 651940 776161 814925 912716 1140895 1233400 1303880 1552322 1629850 1825432 2281790 3104644 3259700 3880805 4563580 5433127 5704475 6209288 6519400 7761610 9127160 10866254 11408950 15523220 19404025 21732508 22817900 27165635 28717957 31046440 38808050 43465016 45635800 54331270 57435914 77616100 108662540 114871828 135828175 143589785 155232200 201025699 217325080 229743656 271656350 287179570 402051398 543312700 574359140 717948925 804102796 1005128495 1086625400 1148718280 1435897850 1608205592 2010256990 2871795700 4020513980 5025642475 5743591400 8041027960 10051284950 20102569900 40205139800
• Sum of all divisors σ(n): 109842798480
• Sum of proper divisors (its aliquot sum) s(n): 69637658680
• 40205139800 is an abundant number, because the sum of its proper divisors (69637658680) is greater than itself. Its abundance is 29432518880

Bases of 40205139800

• Binary: 100101011100011010011011111101011000₂
• Hexadecimal: 0x95C69BF58
• Base-36: IGX3OEW

Squares and roots of 40205139800

• 40205139800 squared (40205139800²) is 1616453266337544040000
• 40205139800 cubed (40205139800³) is 64989729553267592116856792000000
• The square root of 40205139800 is 200512.1936441771
• The cube root of 40205139800 is 3425.7883293793

Scales and comparisons

• 40,205,139,800 seconds is equal to 1,278 years, 20 weeks, 5 days, 6 hours, 23 minutes, 20 seconds.
• To count from 1 to 40,205,139,800 would take you about two thousand, five hundred fifty-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 40205139800 cubic inches would be around 285.5 feet tall.

Recreational maths with 40205139800

• 40205139800 backwards is 00893150204
• The number of decimal digits it has is: 11
• The sum of 40205139800's digits is 32
• More coming soon!