12888801280

Names of 12888801280

• Cardinal: 12888801280 can be written as Twelve billion, eight hundred eighty-eight million, eight hundred one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.288880128 × 10¹⁰

Factors of 12888801280

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 915

Divisors of 12888801280

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 97 128 160 194 256 320 388 485 512 640 776 811 970 1024 1280 1552 1622 1940 2048 2560 3104 3244 3880 4055 4096 5120 6208 6488 7760 8110 8192 10240 12416 12976 15520 16220 16384 20480 24832 25952 31040 32440 32768 40960 49664 51904 62080 64880 78667 81920 99328 103808 124160 129760 157334 163840 198656 207616 248320 259520 314668 393335 397312 415232 496640 519040 629336 786670 794624 830464 993280 1038080 1258672 1573340 1589248 1660928 1986560 2076160 2517344 3146680 3178496 3321856 3973120 4152320 5034688 6293360 6643712 7946240 8304640 10069376 12586720 13287424 15892480 16609280 20138752 25173440 26574848 33218560 40277504 50346880 66437120 80555008 100693760 132874240 161110016 201387520 322220032 402775040 644440064 805550080 1288880128 1611100160 2577760256 3222200320 6444400640 12888801280
• Sum of all divisors σ(n): 31290078960
• Sum of proper divisors (its aliquot sum) s(n): 18401277680
• 12888801280 is an abundant number, because the sum of its proper divisors (18401277680) is greater than itself. Its abundance is 5512476400

Bases of 12888801280

• Binary: 1100000000001110111000000000000000₂
• Hexadecimal: 0x3003B8000
• Base-36: 5X5NQPS

Squares and roots of 12888801280

• 12888801280 squared (12888801280²) is 166121198435329638400
• 12888801280 cubed (12888801280³) is 2141103115028410640631857152000
• The square root of 12888801280 is 113528.8565960215
• The cube root of 12888801280 is 2344.6112396789

Scales and comparisons

• 12,888,801,280 seconds is equal to 409 years, 42 weeks, 5 days, 22 hours, 34 minutes, 40 seconds.
• To count from 1 to 12,888,801,280 would take you about eight hundred nineteen 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 12888801280 cubic inches would be around 195.4 feet tall.

Recreational maths with 12888801280

• 12888801280 backwards is 08210888821
• The number of decimal digits it has is: 11
• The sum of 12888801280's digits is 46
• More coming soon!