21949155909772

Names of 21949155909772

• Cardinal: 21949155909772 can be written as Twenty-one trillion, nine hundred forty-nine billion, one hundred fifty-five million, nine hundred nine thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 2.1949155909772 × 10¹³

Factors of 21949155909772

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 261

Divisors of 21949155909772

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 7 13 14 26 28 31 41 52 62 82 91 124 164 167 169 182 217 287 334 338 364 403 434 533 574 668 676 806 868 1066 1148 1169 1183 1271 1612 1681 2132 2171 2197 2338 2366 2542 2821 3362 3731 4342 4394 4676 4732 5084 5177 5239 5642 6724 6847 6929 7462 8684 8788 8897 10354 10478 11284 11767 13694 13858 14924 15197 15379 16523 17794 20708 20956 21853 23534 27388 27716 28223 30394 30758 33046 35588 36239 36673 43706 47068 47929 48503 52111 56446 60788 61516 66092 67301 68107 68921 72478 73346 87412 89011 90077 95858 97006 104222 112892 115661 134602 136214 137842 144956 146692 152971 178022 180154 191716 194012 197561 208444 212257 214799 231322 269204 272428 275684 280727 284089 305942 356044 360308 364777 366899 395122 424514 429598 462644 471107 476749 482447 561454 568178 611884 623077 630539 677443 729554 733798 790244 849028 859196 874913 895973 942214 953498 964894 1122908 1136356 1157143 1246154 1261078 1354886 1459108 1467596 1485799 1503593 1749826 1791946 1884428 1906996 1929788 1965089 1988623 2136551 2314286 2492308 2522156 2568293 2709772 2759341 2792387 2971598 3007186 3499652 3583892 3649451 3693157 3930178 3977246 4273102 4628572 4742101 5136586 5518682 5584774 5943196 6014372 6124391 6271811 7298902 7386314 7860356 7954492 8100001 8546204 8702537 8806759 9484202 10273172 11037364 11169548 11373869 11509807 11647649 12248782 12543622 14597804 14772628 14955857 15042859 16200002 17405074 17613518 18968404 19315387 19546709 22747738 23019614 23295298 24497564 25087244 25546157 25852099 27775163 29911714 30085718 32400004 34810148 35227036 35871433 38630774 39093418 45495476 46039228 46590596 47442863 51092314 51704198 55550326 59823428 60171436 60917759 61647313 71742866 77261548 78186836 79617083 80568649 81533543 94885726 102184628 103408396 105300013 111100652 113132981 114487867 121835518 123294626 143485732 149627491 151419437 159234166 161137298 163067086 189771452 194426141 210600026 226265962 228975734 243671036 246589252 251100031 299254982 302838874 318468332 322274596 326134172 332100041 356804017 361077119 388852282 421200052 452531924 457951468 466328629 502200062 598509964 605677748 616757219 664200082 713608034 722154238 777704564 791930867 801415069 932657258 1004400124 1047392437 1059936059 1233514438 1328400164 1427216068 1444308476 1470728753 1583861734 1602830138 1865314516 1945157383 2094784874 2119872118 2467028876 2497628119 2527539833 2941457506 3167723468 3205660276 3264300403 3890314766 4189569748 4239744236 4317300533 4638452221 4694002547 4995256238 5055079666 5882915012 6528600806 7780629532 8634601066 9276904442 9388005094 9990512476 10110159332 10295101271 13057201612 13616101681 17269202132 18553808884 18776010188 19119473789 20590202542 25287045979 27232203362 32469165547 32858017829 38238947578 41180405084 50574091958 54464406724 60299878873 64938331094 65716035658 76477895156 101148183916 120599757746 129876662188 131432071316 133836316523 177009321853 241199515492 267672633046 354018643706 422099152111 535345266092 708037287412 783898425349 844198304222 1567796850698 1688396608444 3135593701396 5487288977443 10974577954886 21949155909772
• Sum of all divisors σ(n): 50617364152320
• Sum of proper divisors (its aliquot sum) s(n): 28668208242548
• 21949155909772 is an abundant number, because the sum of its proper divisors (28668208242548) is greater than itself. Its abundance is 6719052332776

Bases of 21949155909772

• Binary: 100111111011001101111101001000010000010001100₂
• Hexadecimal: 0x13F66FA4208C
• Base-36: 7S3AWPUVG

Squares and roots of 21949155909772

• 21949155909772 squared (21949155909772²) is 481765445151479113005091984
• 21949155909772 cubed (21949155909772³) is 10574344867570526096962735342942064467648
• The square root of 21949155909772 is 4684992.6264373141
• The cube root of 21949155909772 is 27998.7907257385

Scales and comparisons

• 21,949,155,909,772 seconds is equal to 697,915 years, 13 weeks, 5 days, 8 hours, 42 minutes, 52 seconds.
• To count from 1 to 21,949,155,909,772 would take you about one million, seven hundred forty-four thousand, seven hundred eighty-eight 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 21949155909772 cubic inches would be around 2333.2 feet tall.

Recreational maths with 21949155909772

• 21949155909772 backwards is 27790955194912
• The number of decimal digits it has is: 14
• The sum of 21949155909772's digits is 70
• More coming soon!