21370647292109388

Names of 21370647292109388

• Cardinal: 21370647292109388 can be written as Twenty-one quadrillion, three hundred seventy trillion, six hundred forty-seven billion, two hundred ninety-two million, one hundred nine thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1370647292109388 × 10¹⁶

Factors of 21370647292109388

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 536067128

Divisors of 21370647292109388

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 43 52 63 78 84 86 91 117 126 129 156 172 182 234 252 258 273 283 301 364 387 468 516 546 559 566 602 774 819 849 903 1092 1118 1132 1204 1548 1638 1677 1698 1806 1981 2236 2547 2709 3276 3354 3396 3612 3679 3913 3962 5031 5094 5418 5943 6708 7358 7826 7924 10062 10188 10836 11037 11739 11886 12169 14716 15652 17829 20124 22074 23478 23772 24338 25753 33111 35217 35658 36507 44148 46956 48676 51506 66222 70434 71316 73014 77259 85183 103012 109521 132444 140868 146028 154518 158197 170366 219042 231777 255549 309036 316394 340732 438084 463554 474591 511098 632788 766647 927108 949182 1022196 1107379 1423773 1533294 1898364 2214758 2847546 3066588 3322137 4429516 5695092 6644274 9966411 13288548 19932822 39865644 536066777 1072133554 1608200331 2144267108 3216400662 3752467439 4824600993 6432801324 6968868101 7504934878 9649201986 11257402317 13937736202 15009869756 19298403972 20906604303 22514804634 23050871411 27875472404 33772206951 41813208606 45029609268 46101742822 48782076707 62719812909 67544413902 69152614233 83626417212 92203485644 97564153414 125439625818 135088827804 138305228466 146346230121 151706897891 161356099877 195128306828 207457842699 250879251636 276610456932 292692460242 299661328343 303413795782 322712199754 414915685398 439038690363 455120693673 484068299631 585384920484 599322656686 606827591564 645424399508 829831370796 878077380726 898983985029 910241387346 968136599262 1061948285237 1198645313372 1365362081019 1452204898893 1756154761452 1797967970058 1820482774692 1936273198524 1972189672583 2097629298401 2123896570474 2696951955087 2730724162038 2904409797786 3185844855711 3595935940116 3944379345166 4195258596802 4247793140948 5393903910174 5461448324076 5808819595572 5916569017749 6292887895203 6371689711422 6523396609313 7888758690332 8390517193604 9557534567133 10787807820348 11833138035498 12585775790406 12743379422844 13046793218626 13805327708081 17749707053247 18878663685609 19115069134266 19570189827939 23666276070996 25171551580812 26093586437252 27610655416162 35499414106494 37757327371218 38230138268532 39140379655878 41415983124243 45663776265191 55221310832324 58710569483817 70998828212988 75514654742436 78280759311756 82831966248486 84804155921069 91327552530382 117421138967634 124247949372729 136991328795573 165663932496972 169608311842138 182655105060764 234842277935268 248495898745458 254412467763207 273982657591146 339216623684276 410973986386719 496991797490916 508824935526414 547965315182292 593629091447483 763237403289621 821947972773438 1017649871052828 1187258182894966 1526474806579242 1643895945546876 1780887274342449 2374516365789932 3052949613158484 3561774548684898 5342661823027347 7123549097369796 10685323646054694 21370647292109388
• Sum of all divisors σ(n): 68273053146794496
• Sum of proper divisors (its aliquot sum) s(n): 46902405854685108
• 21370647292109388 is an abundant number, because the sum of its proper divisors (46902405854685108) is greater than itself. Its abundance is 25531758562575720

Bases of 21370647292109388

• Binary: 1001011111011000111110110010000011101110110001001001100₂
• Hexadecimal: 0x4BEC7D9077624C
• Base-36: 5UF9FTZYKB0

Squares and roots of 21370647292109388

• 21370647292109388 squared (21370647292109388²) is 456704565683742317995966557734544
• 21370647292109388 cubed (21370647292109388³) is 9760072189923261895537318788653237178272314299072
• The square root of 21370647292109388 is 146187028.4673349121
• The cube root of 21370647292109388 is 277506.1158930615

Scales and comparisons

• 21,370,647,292,109,388 seconds is equal to 679,520,480 years, 7 weeks, 18 hours, 49 minutes, 48 seconds.
• To count from 1 to 21,370,647,292,109,388 would take you about two billion, thirty-eight million, five hundred sixty-one thousand, four hundred forty 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 21370647292109388 cubic inches would be around 23125.5 feet tall.

Recreational maths with 21370647292109388

• 21370647292109388 backwards is 88390129274607312
• The number of decimal digits it has is: 17
• The sum of 21370647292109388's digits is 72
• More coming soon!