72001310040

Names of 72001310040

• Cardinal: 72001310040 can be written as Seventy-two billion, one million, three hundred ten thousand and forty.

Scientific notation

• Scientific notation: 7.200131004 × 10¹⁰

Factors of 72001310040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 18182170

Divisors of 72001310040

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 30 33 36 40 44 45 55 60 66 72 88 90 99 110 120 132 165 180 198 220 264 330 360 396 440 495 660 792 990 1320 1980 3960 18182149 36364298 54546447 72728596 90910745 109092894 145457192 163639341 181821490 200003639 218185788 272732235 327278682 363642980 400007278 436371576 545464470 600010917 654557364 727285960 800014556 818196705 1000018195 1090928940 1200021834 1309114728 1600029112 1636393410 1800032751 2000036390 2181857880 2400043668 3000054585 3272786820 3600065502 4000072780 4800087336 6000109170 6545573640 7200131004 8000145560 9000163755 12000218340 14400262008 18000327510 24000436680 36000655020 72001310040
• Sum of all divisors σ(n): 255277386000
• Sum of proper divisors (its aliquot sum) s(n): 183276075960
• 72001310040 is an abundant number, because the sum of its proper divisors (183276075960) is greater than itself. Its abundance is 111274765920

Bases of 72001310040

• Binary: 1000011000011100111001100110101011000₂
• Hexadecimal: 0x10C39CCD58
• Base-36: X2RPYE0

Squares and roots of 72001310040

• 72001310040 squared (72001310040²) is 5184188647476204801600
• 72001310040 cubed (72001310040³) is 373268374112782485442538288064000
• The square root of 72001310040 is 268330.5984042819
• The cube root of 72001310040 is 4160.1928773677

Scales and comparisons

• 72,001,310,040 seconds is equal to 2,289 years, 21 weeks, 5 days, 11 hours, 54 minutes.
• To count from 1 to 72,001,310,040 would take you about four thousand, five hundred seventy-eight 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 72001310040 cubic inches would be around 346.7 feet tall.

Recreational maths with 72001310040

• 72001310040 backwards is 04001310027
• 72001310040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72001310040's digits is 18
• More coming soon!