897421591728

Names of 897421591728

• Cardinal: 897421591728 can be written as Eight hundred ninety-seven billion, four hundred twenty-one million, five hundred ninety-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 8.97421591728 × 10¹¹

Factors of 897421591728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 163433

Divisors of 897421591728

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 60617 102811 121234 181851 205622 242468 308433 363702 411244 484936 545553 616866 727404 822488 925299 969872 1091106 1233732 1454808 1644976 1850598 2182212 2467464 2909616 3701196 4364424 4934928 7402392 8728848 14804784 6232094387 12464188774 18696283161 24928377548 37392566322 49856755096 56088849483 74785132644 99713510192 112177698966 149570265288 224355397932 299140530576 448710795864 897421591728
• Sum of all divisors σ(n): 2511599899848
• Sum of proper divisors (its aliquot sum) s(n): 1614178308120
• 897421591728 is an abundant number, because the sum of its proper divisors (1614178308120) is greater than itself. Its abundance is 716756716392

Bases of 897421591728

• Binary: 1101000011110010011111101100010010110000₂
• Hexadecimal: 0xD0F27EC4B0
• Base-36: BG9PN7W0

Squares and roots of 897421591728

• 897421591728 squared (897421591728²) is 805365513299617118025984
• 897421591728 cubed (897421591728³) is 722752400868180147431834602543460352
• The square root of 897421591728 is 947323.3828677513
• The cube root of 897421591728 is 9645.6649315235

Scales and comparisons

• 897,421,591,728 seconds is equal to 28,535 years, 11 weeks, 6 days, 23 hours, 28 minutes, 48 seconds.
• To count from 1 to 897,421,591,728 would take you about fifty-seven thousand and seventy 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 897421591728 cubic inches would be around 803.8 feet tall.

Recreational maths with 897421591728

• 897421591728 backwards is 827195124798
• The number of decimal digits it has is: 12
• The sum of 897421591728's digits is 63
• More coming soon!