21384942692148

Names of 21384942692148

• Cardinal: 21384942692148 can be written as Twenty-one trillion, three hundred eighty-four billion, nine hundred forty-two million, six hundred ninety-two thousand, one hundred forty-eight.

Scientific notation

• Scientific notation: 2.1384942692148 × 10¹³

Factors of 21384942692148

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 601850298

Divisors of 21384942692148

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 47 54 63 84 94 108 126 141 188 189 252 282 329 378 423 564 658 756 846 987 1269 1316 1692 1974 2538 2961 3948 5076 5922 8883 11844 17766 35532 601850239 1203700478 1805550717 2407400956 3611101434 4212951673 5416652151 7222202868 8425903346 10833304302 12638855019 16249956453 16851806692 21666608604 25277710038 28286961233 32499912906 37916565057 50555420076 56573922466 64999825812 75833130114 84860883699 113147844932 113749695171 151666260228 169721767398 198008728631 227499390342 254582651097 339443534796 396017457262 454998780684 509165302194 594026185893 763747953291 792034914524 1018330604388 1188052371786 1527495906582 1782078557679 2376104743572 3054991813164 3564157115358 5346235673037 7128314230716 10692471346074 21384942692148
• Sum of all divisors σ(n): 64710937804800
• Sum of proper divisors (its aliquot sum) s(n): 43325995112652
• 21384942692148 is an abundant number, because the sum of its proper divisors (43325995112652) is greater than itself. Its abundance is 21941052420504

Bases of 21384942692148

• Binary: 100110111001100010001111010011010011100110100₂
• Hexadecimal: 0x137311E9A734
• Base-36: 7KW3UQHX0

Squares and roots of 21384942692148

• 21384942692148 squared (21384942692148²) is 457315773946454149900853904
• 21384942692148 cubed (21384942692148³) is 9779671618060231406779413433089795945792
• The square root of 21384942692148 is 4624385.6556463799
• The cube root of 21384942692148 is 27756.7979199561

Scales and comparisons

• 21,384,942,692,148 seconds is equal to 679,975 years, 1 week, 3 days, 18 hours, 55 minutes, 48 seconds.
• To count from 1 to 21,384,942,692,148 would take you about one million, six hundred ninety-nine thousand, nine hundred thirty-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 21384942692148 cubic inches would be around 2313.1 feet tall.

Recreational maths with 21384942692148

• 21384942692148 backwards is 84129624948312
• 21384942692148 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21384942692148's digits is 63
• More coming soon!