21668404165616

Names of 21668404165616

• Cardinal: 21668404165616 can be written as Twenty-one trillion, six hundred sixty-eight billion, four hundred four million, one hundred sixty-five thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 2.1668404165616 × 10¹³

Factors of 21668404165616

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 71017

Divisors of 21668404165616

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 13 16 26 31 41 52 62 82 89 104 124 164 169 178 208 248 328 338 356 403 496 533 656 676 712 806 1066 1157 1271 1352 1424 1612 2132 2314 2542 2704 2759 3224 3649 4264 4628 5084 5239 5518 6448 6929 7298 8528 9256 10168 10478 11036 13858 14596 15041 16523 18512 20336 20956 22072 27716 29192 30082 33046 35867 41912 44144 47437 55432 58384 60164 66092 70841 71734 83824 94874 110864 113119 120328 132184 141682 143468 189748 214799 226238 240656 264368 283364 286936 379496 429598 452476 466271 566728 573872 616681 758992 859196 904952 920933 932542 1133456 1233362 1470547 1718392 1809904 1841866 1865084 2196071 2466724 2904481 2941094 3436784 3683732 3730168 4392142 4933448 5808962 5882188 6304849 7367464 7460336 8784284 9866896 11617924 11764376 11972129 12609698 14734928 17568568 19117111 23235848 23528752 23944258 25219396 28548923 35137136 37758253 38234222 46471696 47888516 50438792 57097846 75516506 76468444 81963037 90038911 95777032 100877584 114195692 151033012 152936888 163926074 180077822 191554064 195450319 228391384 258498809 302066024 305873776 327852148 360155644 371135999 390900638 456782768 490857289 516997618 604132048 655704296 720311288 742271998 781801276 981714578 1033995236 1065519481 1170505843 1311408592 1440622576 1484543996 1563602552 1963429156 2067990472 2131038962 2341011686 2540854147 2969087992 3127205104 3360484517 3926858312 4135980944 4262077924 4682023372 5081708294 5938175984 6720969034 7853716624 8013463079 8524155848 9364046744 10163416588 13441938068 15216575959 16026926158 17048311696 18728093488 20326833176 26883876136 30433151918 32053852316 33031103911 40653666352 43686298721 53767752272 60866303836 64107704632 66062207822 87372597442 104175020027 121732607672 128215409264 132124415644 174745194884 208350040054 243465215344 264248831288 349490389768 416700080108 528497662576 698980779536 833400160216 1354275260351 1666800320432 2708550520702 5417101041404 10834202082808 21668404165616
• Sum of all divisors σ(n): 48612211119360
• Sum of proper divisors (its aliquot sum) s(n): 26943806953744
• 21668404165616 is an abundant number, because the sum of its proper divisors (26943806953744) is greater than itself. Its abundance is 5275402788128

Bases of 21668404165616

• Binary: 100111011010100010001100010000111101111110000₂
• Hexadecimal: 0x13B511887BF0
• Base-36: 7OIBSDMNK

Squares and roots of 21668404165616

• 21668404165616 squared (21668404165616²) is 469519739084484821156659456
• 21668404165616 cubed (21668404165616³) is 10173743470217188344906282523709536464896
• The square root of 21668404165616 is 4654933.3148409335
• The cube root of 21668404165616 is 27878.9005420651

Scales and comparisons

• 21,668,404,165,616 seconds is equal to 688,988 years, 11 weeks, 5 days, 21 hours, 6 minutes, 56 seconds.
• To count from 1 to 21,668,404,165,616 would take you about one million, seven hundred twenty-two thousand, four hundred seventy 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 21668404165616 cubic inches would be around 2323.2 feet tall.

Recreational maths with 21668404165616

• 21668404165616 backwards is 61656140486612
• The number of decimal digits it has is: 14
• The sum of 21668404165616's digits is 56
• More coming soon!