168999921216

Names of 168999921216

• Cardinal: 168999921216 can be written as One hundred sixty-eight billion, nine hundred ninety-nine million, nine hundred twenty-one thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.68999921216 × 10¹¹

Factors of 168999921216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2459

Divisors of 168999921216

• Number of divisors d(n): 189
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 112 126 144 147 168 192 196 224 252 288 294 336 392 441 448 504 576 588 672 784 882 1008 1176 1344 1568 1764 2016 2352 2447 3136 3528 4032 4704 4894 7056 7341 9408 9788 14112 14682 17129 19576 22023 28224 29364 34258 39152 44046 51387 58728 68516 78304 88092 102774 117456 119903 137032 154161 156608 176184 205548 234912 239806 274064 308322 352368 359709 411096 469824 479612 548128 616644 704736 719418 822192 959224 1079127 1096256 1233288 1409472 1438836 1644384 1918448 2158254 2466576 2877672 3288768 3836896 4316508 4933152 5755344 5987809 7673792 8633016 9866304 11510688 11975618 17266032 17963427 23021376 23951236 34532064 35926854 41914663 47902472 53890281 69064128 71853708 83829326 95804944 107780562 125743989 143707416 167658652 191609888 215561124 251487978 287414832 293402641 335317304 377231967 383219776 431122248 502975956 574829664 586805282 670634608 754463934 862244496 880207923 1005951912 1149659328 1173610564 1341269216 1508927868 1724488992 1760415846 2011903824 2347221128 2640623769 2682538432 3017855736 3448977984 3520831692 4023807648 4694442256 5281247538 6035711472 7041663384 8047615296 9388884512 10562495076 12071422944 14083326768 18777769024 21124990152 24142845888 28166653536 42249980304 56333307072 84499960608 168999921216
• Sum of all divisors σ(n): 563725115499
• Sum of proper divisors (its aliquot sum) s(n): 394725194283
• 168999921216 is an abundant number, because the sum of its proper divisors (394725194283) is greater than itself. Its abundance is 225725273067

Bases of 168999921216

• Binary: 10011101011001001011100010011001000000₂
• Hexadecimal: 0x27592E2640
• Base-36: 25MY6TS0

Squares and roots of 168999921216

• 168999921216 squared (168999921216²) is 28560973371014206918656
• 168999921216 cubed (168999921216³) is 4826802249553674907269586120605696
• 168999921216 is a perfect square number. Its square root is 411096
• The cube root of 168999921216 is 5528.7739545485

Scales and comparisons

• 168,999,921,216 seconds is equal to 5,373 years, 35 weeks, 14 hours, 33 minutes, 36 seconds.
• To count from 1 to 168,999,921,216 would take you about ten thousand, seven hundred forty-seven 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 168999921216 cubic inches would be around 460.7 feet tall.

Recreational maths with 168999921216

• 168999921216 backwards is 612129999861
• 168999921216 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 168999921216's digits is 63
• More coming soon!