168521086208

Names of 168521086208

• Cardinal: 168521086208 can be written as One hundred sixty-eight billion, five hundred twenty-one million, eighty-six thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.68521086208 × 10¹¹

Factors of 168521086208

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 44537

Divisors of 168521086208

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 16 32 53 64 106 128 212 256 281 424 562 848 1124 1696 2248 3392 4496 6784 8992 13568 14893 17984 29786 35968 44201 59572 71936 88402 119144 176804 238288 353608 476576 707216 953152 1414432 1906304 2342653 2828864 3812608 4685306 5657728 9370612 11315456 12420481 18741224 24840962 37482448 49681924 74964896 99363848 149929792 198727696 299859584 397455392 599719168 658285493 794910784 1316570986 1589821568 2633141972 3179643136 5266283944 10532567888 21065135776 42130271552 84260543104 168521086208
• Sum of all divisors σ(n): 343958216616
• Sum of proper divisors (its aliquot sum) s(n): 175437130408
• 168521086208 is an abundant number, because the sum of its proper divisors (175437130408) is greater than itself. Its abundance is 6916044200

Bases of 168521086208

• Binary: 10011100111100101000111011010100000000₂
• Hexadecimal: 0x273CA3B500
• Base-36: 25F13QBK

Squares and roots of 168521086208

• 168521086208 squared (168521086208²) is 28399356496724167819264
• 168521086208 cubed (168521086208³) is 4785890404436178354667247907110912
• The square root of 168521086208 is 410513.1985795341
• The cube root of 168521086208 is 5523.5473746601

Scales and comparisons

• 168,521,086,208 seconds is equal to 5,358 years, 23 weeks, 2 days, 12 hours, 50 minutes, 8 seconds.
• To count from 1 to 168,521,086,208 would take you about ten thousand, seven hundred sixteen 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 168521086208 cubic inches would be around 460.3 feet tall.

Recreational maths with 168521086208

• 168521086208 backwards is 802680125861
• The number of decimal digits it has is: 12
• The sum of 168521086208's digits is 47
• More coming soon!