168921864160

Names of 168921864160

• Cardinal: 168921864160 can be written as One hundred sixty-eight billion, nine hundred twenty-one million, eight hundred sixty-four thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.6892186416 × 10¹¹

Factors of 168921864160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 24760

Divisors of 168921864160

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 10867 13879 21734 27758 43468 54335 55516 69395 76069 86936 97153 108670 111032 138790 152138 173872 194306 217340 222064 277580 304276 347744 380345 388612 434680 444128 485765 555160 608552 760690 777224 869360 971530 1110320 1217104 1521380 1554448 1738720 1943060 2220640 2434208 3042760 3108896 3886120 6085520 7772240 12171040 15544480 150823093 301646186 603292372 754115465 1055761651 1206584744 1508230930 2111523302 2413169488 3016461860 4223046604 4826338976 5278808255 6032923720 8446093208 10557616510 12065847440 16892186416 21115233020 24131694880 33784372832 42230466040 84460932080 168921864160
• Sum of all divisors σ(n): 456163868160
• Sum of proper divisors (its aliquot sum) s(n): 287242004000
• 168921864160 is an abundant number, because the sum of its proper divisors (287242004000) is greater than itself. Its abundance is 118320139840

Bases of 168921864160

• Binary: 10011101010100100001110001011111100000₂
• Hexadecimal: 0x27548717E0
• Base-36: 25LNPSKG

Squares and roots of 168921864160

• 168921864160 squared (168921864160²) is 28534596191289492505600
• 168921864160 cubed (168921864160³) is 4820117181685457028266301239296000
• The square root of 168921864160 is 411001.0512881931
• The cube root of 168921864160 is 5527.9226202709

Scales and comparisons

• 168,921,864,160 seconds is equal to 5,371 years, 10 weeks, 4 hours, 2 minutes, 40 seconds.
• To count from 1 to 168,921,864,160 would take you about ten thousand, seven hundred forty-two 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 168921864160 cubic inches would be around 460.7 feet tall.

Recreational maths with 168921864160

• 168921864160 backwards is 061468129861
• The number of decimal digits it has is: 12
• The sum of 168921864160's digits is 52
• More coming soon!