66973905481728

Names of 66973905481728

• Cardinal: 66973905481728 can be written as Sixty-six trillion, nine hundred seventy-three billion, nine hundred five million, four hundred eighty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 6.6973905481728 × 10¹³

Factors of 66973905481728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 370616

Divisors of 66973905481728

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1024 1344 1536 1792 2048 2113 2688 3072 3584 4096 4226 5376 6144 6339 7168 8452 10752 12288 12678 14336 14791 16904 21504 25356 28672 29582 33808 43008 44373 50712 59164 67616 86016 88746 101424 118328 135232 177492 202848 236656 270464 354984 368491 405696 473312 540928 709968 736982 811392 946624 1081856 1105473 1419936 1473964 1622784 1893248 2163712 2210946 2579437 2839872 2947928 3245568 3786496 4327424 4421892 5158874 5679744 5895856 6491136 7572992 7738311 8654848 8843784 10317748 11359488 11791712 12982272 15145984 15476622 17687568 20635496 22718976 23583424 25964544 30291968 30953244 35375136 41270992 45437952 47166848 60583936 61906488 70750272 82541984 90875904 94333696 123812976 141500544 165083968 181751808 188667392 247625952 283001088 330167936 377334784 495251904 566002176 660335872 754669568 778621483 990503808 1132004352 1320671744 1509339136 1557242966 1981007616 2264008704 2335864449 2641343488 3114485932 3962015232 4528017408 4671728898 5282686976 5450350381 6228971864 7924030464 9343457796 10565373952 10900700762 12457943728 15848060928 16351051143 18686915592 21801401524 24915887456 31696121856 32702102286 37373831184 43602803048 49831774912 65404204572 74747662368 87205606096 99663549824 130808409144 149495324736 174411212192 199327099648 261616818288 298990649472 348822424384 398654199296 523233636576 597981298944 697644848768 797308398592 1046467273152 1195962597888 1395289697536 1594616797184 2092934546304 2391925195776 2790579395072 3189233594368 4185869092608 4783850391552 5581158790144 8371738185216 9567700783104 11162317580288 16743476370432 22324635160576 33486952740864 66973905481728
• Sum of all divisors σ(n): 204183174169856
• Sum of proper divisors (its aliquot sum) s(n): 137209268688128
• 66973905481728 is an abundant number, because the sum of its proper divisors (137209268688128) is greater than itself. Its abundance is 70235363206400

Bases of 66973905481728

• Binary: 1111001110100110010011110110000111000000000000₂
• Hexadecimal: 0x3CE993D87000
• Base-36: NQNDY3X1C

Squares and roots of 66973905481728

• 66973905481728 squared (66973905481728²) is 4485504015475435847741865984
• 66973905481728 cubed (66973905481728³) is 300411721970363248667208956996141136740352
• The square root of 66973905481728 is 8183758.6402415363
• The cube root of 66973905481728 is 40610.2074769281

Scales and comparisons

• 66,973,905,481,728 seconds is equal to 2,129,563 years, 1 week, 4 days, 1 hour, 48 minutes, 48 seconds.
• To count from 1 to 66,973,905,481,728 would take you about five million, three hundred twenty-three thousand, nine hundred 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 66973905481728 cubic inches would be around 3384.2 feet tall.

Recreational maths with 66973905481728

• 66973905481728 backwards is 82718450937966
• The number of decimal digits it has is: 14
• The sum of 66973905481728's digits is 75
• More coming soon!