21078121927044

Names of 21078121927044

• Cardinal: 21078121927044 can be written as Twenty-one trillion, seventy-eight billion, one hundred twenty-one million, nine hundred twenty-seven thousand and forty-four.

Scientific notation

• Scientific notation: 2.1078121927044 × 10¹³

Factors of 21078121927044

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 646

Divisors of 21078121927044

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 67 78 84 91 97 134 156 182 194 201 268 273 291 364 388 402 457 469 546 582 679 804 871 914 938 1092 1164 1261 1358 1371 1407 1742 1828 1876 2037 2522 2613 2716 2742 2814 3199 3484 3783 4074 4489 5044 5226 5484 5628 5941 6097 6398 6499 7566 8148 8827 8978 9409 9597 10452 11882 12194 12796 12998 13467 15132 17654 17823 17956 18291 18818 19194 19497 23764 24388 25996 26481 26934 28227 30619 31423 35308 35646 36582 37636 38388 38994 41587 44329 45493 52962 53868 56454 58357 61238 62846 65863 71292 73164 77988 83174 84487 88658 90986 91857 94269 105924 112908 116714 122317 122476 124761 125692 131726 132987 136479 166348 168974 175071 177316 181972 183714 188538 197589 214333 233428 244634 249522 253461 263452 265974 272958 310303 337948 350142 366951 367428 377076 395178 398047 408499 428666 435433 489268 499044 506922 531948 545916 576277 591409 620606 630403 642999 700284 733902 790356 796094 816998 856219 857332 870866 930909 1013844 1152554 1182818 1194141 1225497 1241212 1260806 1285998 1306299 1467804 1592188 1633996 1712438 1728831 1741732 1774227 1861818 1891209 2051473 2305108 2365636 2388282 2450994 2521612 2568657 2571996 2612598 2786329 2970043 3048031 3424876 3457662 3548454 3723636 3782418 4033939 4102946 4299913 4412821 4776564 4901988 5137314 5225196 5572658 5660629 5940086 6096062 6154419 6915324 7096908 7564836 8067878 8195239 8205892 8358987 8599826 8825642 8910129 9144093 10274628 11145316 11321258 11880172 12101817 12192124 12308838 12899739 13238463 14360311 16135756 16390478 16717974 16981887 17199652 17651284 17820258 18288186 20790301 22642516 24203634 24585717 24617676 25799478 26476926 26669149 28720622 30099391 32780956 33435948 33963774 35640516 36576372 38610559 39624403 41580602 42237001 43080933 48407268 49171434 51598956 52953852 53338298 55898869 57366673 57441244 60198782 62370903 67927548 77221118 79248806 80007447 83161204 84474002 86161866 90298173 98342868 106676596 111797738 114733346 115831677 118873209 120397564 124741806 126711003 154442236 158497612 160014894 167696607 168948004 172100019 172323732 180596346 186684043 198992881 223595476 229466692 231663354 237746418 249483612 253422006 270273913 288094171 295659007 320029788 335393214 344200038 361192692 373368086 391292083 397985762 463326708 475492836 506844012 540547826 549081013 560052129 576188342 591318014 596978643 670786428 688400076 746736172 782584166 795971524 810821739 864282513 886977021 1081095652 1098162026 1120104258 1152376684 1173876249 1182636028 1193957286 1392950167 1565168332 1621643478 1647243039 1728565026 1773954042 2016659197 2196324052 2240208516 2347752498 2387914572 2586907453 2785900334 3243286956 3294486078 3457130052 3547908084 3745224223 3843567091 4033318394 4178850501 4695504996 5173814906 5571800668 6049977591 6588972156 7490448446 7687134182 7760722359 8066636788 8357701002 10347629812 11235672669 11530701273 12099955182 14980896892 15374268364 15521444718 16715402004 18108352171 19302309457 22471345338 23061402546 24199910364 26216569561 31042889436 36216704342 38604618914 44942690676 46122805092 52433139122 54325056513 57906928371 72433408684 77209237828 78649708683 104866278244 108650113026 115813856742 135116166199 157299417366 217300226052 231627713484 250930022941 270232332398 314598834732 405348498597 501860045882 540464664796 752790068823 810696997194 1003720091764 1505580137646 1621393994388 1756510160587 3011160275292 3513020321174 5269530481761 7026040642348 10539060963522 21078121927044
• Sum of all divisors σ(n): 62224878102912
• Sum of proper divisors (its aliquot sum) s(n): 41146756175868
• 21078121927044 is an abundant number, because the sum of its proper divisors (41146756175868) is greater than itself. Its abundance is 20068634248824

Bases of 21078121927044

• Binary: 100110010101110100001111110000101000110000100₂
• Hexadecimal: 0x132BA1F85184
• Base-36: 7GZ5LKOEC

Squares and roots of 21078121927044

• 21078121927044 squared (21078121927044²) is 444287223971333068058577936
• 21078121927044 cubed (21078121927044³) is 9364740277495664199120433568234580101184
• The square root of 21078121927044 is 4591091.5833866787
• The cube root of 21078121927044 is 27623.4109316473

Scales and comparisons

• 21,078,121,927,044 seconds is equal to 670,219 years, 4 weeks, 12 hours, 37 minutes, 24 seconds.
• To count from 1 to 21,078,121,927,044 would take you about one million, six hundred seventy-five thousand, five 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 21078121927044 cubic inches would be around 2302 feet tall.

Recreational maths with 21078121927044

• 21078121927044 backwards is 44072912187012
• The number of decimal digits it has is: 14
• The sum of 21078121927044's digits is 48
• More coming soon!