640999480576

Names of 640999480576

• Cardinal: 640999480576 can be written as Six hundred forty billion, nine hundred ninety-nine million, four hundred eighty thousand, five hundred seventy-six.

Scientific notation

• Scientific notation: 6.40999480576 × 10¹¹

Factors of 640999480576

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 142782

Divisors of 640999480576

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 128 182 193 208 224 256 364 386 416 448 728 772 832 896 1351 1456 1544 1664 1792 2509 2702 2912 3088 3328 5018 5404 5824 6176 10036 10808 11648 12352 17563 20072 21616 23296 24704 35126 40144 43232 49408 70252 80288 86464 140504 142567 160576 172928 281008 285134 321152 345856 562016 570268 642304 997969 1124032 1140536 1853371 1995938 2248064 2281072 3706742 3991876 4496128 4562144 7413484 7983752 9124288 12973597 14826968 15967504 18248576 25947194 27515431 29653936 31935008 36497152 51894388 55030862 59307872 63870016 103788776 110061724 118615744 127740032 192608017 207577552 220123448 237231488 255480064 357700603 385216034 415155104 440246896 474462976 715401206 770432068 830310208 880493792 1430802412 1540864136 1660620416 1760987584 2503904221 2861604824 3081728272 3321240832 3521975168 5007808442 5723209648 6163456544 7043950336 10015616884 11446419296 12326913088 20031233768 22892838592 24653826176 40062467536 45785677184 49307652352 80124935072 91571354368 160249870144 320499740288 640999480576
• Sum of all divisors σ(n): 1582933644544
• Sum of proper divisors (its aliquot sum) s(n): 941934163968
• 640999480576 is an abundant number, because the sum of its proper divisors (941934163968) is greater than itself. Its abundance is 300934683392

Bases of 640999480576

• Binary: 1001010100111110100010111101110100000000₂
• Hexadecimal: 0x953E8BDD00
• Base-36: 86GYJGN4

Squares and roots of 640999480576

• 640999480576 squared (640999480576²) is 410880334098701801291776
• 640999480576 cubed (640999480576³) is 263374080736161195743943981820542976
• The square root of 640999480576 is 800624.4316631863
• The cube root of 640999480576 is 8622.2225010869

Scales and comparisons

• 640,999,480,576 seconds is equal to 20,381 years, 41 weeks, 4 days, 11 hours, 16 minutes, 16 seconds.
• To count from 1 to 640,999,480,576 would take you about forty thousand, seven hundred sixty-three 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 640999480576 cubic inches would be around 718.5 feet tall.

Recreational maths with 640999480576

• 640999480576 backwards is 675084999046
• The number of decimal digits it has is: 12
• The sum of 640999480576's digits is 67
• More coming soon!