21618274742272

Names of 21618274742272

• Cardinal: 21618274742272 can be written as Twenty-one trillion, six hundred eighteen billion, two hundred seventy-four million, seven hundred forty-two thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.1618274742272 × 10¹³

Factors of 21618274742272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 472

Divisors of 21618274742272

• Number of divisors d(n): 312
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 97 104 128 137 194 208 223 256 274 388 416 446 512 548 776 832 892 1024 1096 1261 1552 1664 1781 1784 2048 2192 2522 2899 3104 3328 3562 3568 4096 4384 5044 5798 6208 6656 7124 7136 8768 10088 11596 12416 13289 13312 14248 14272 17536 18769 20176 21631 23192 24832 26578 26624 28496 28544 30551 35072 37538 40352 43262 46384 49664 53156 53248 56992 57088 61102 70144 75076 80704 86524 92768 99328 106312 113984 114176 122204 140288 150152 161408 172757 173048 185536 198656 212624 227968 228352 243997 244408 280576 281203 300304 322816 345514 346096 371072 397163 397312 425248 455936 456704 487994 488816 561152 562406 600608 645632 691028 692192 742144 794326 850496 911872 913408 975988 977632 1124812 1201216 1291264 1382056 1384384 1484288 1588652 1700992 1820593 1823744 1951976 1955264 2249624 2402432 2582528 2764112 2768768 2963447 2968576 3177304 3401984 3641186 3647488 3903952 3910528 4185487 4499248 4804864 5165056 5528224 5537536 5926894 5937152 6354608 6803968 7282372 7294976 7807904 7821056 8370974 8998496 9609728 11056448 11075072 11853788 11874304 12709216 13607936 14564744 15615808 15642112 16741948 17996992 19219456 22112896 22150144 23667709 23707576 25418432 27215872 29129488 31231616 31284224 33483896 35993984 38438912 38524811 44225792 44300288 47335418 47415152 50836864 54411331 54431744 58258976 62463232 62568448 66967792 71987968 76877824 77049622 88451584 88600576 94670836 94830304 101673728 108822662 116517952 124926464 125136896 133935584 143975936 154099244 176903168 189341672 189660608 203347456 217645324 233035904 249852928 267871168 287951872 308198488 353806336 378683344 379321216 405992239 406694912 435290648 466071808 499705856 535742336 575903744 616396976 707612672 757366688 758642432 811984478 813389824 870581296 932143616 999411712 1071484672 1151807488 1232793952 1514733376 1517284864 1623968956 1626779648 1741162592 1864287232 2142969344 2465587904 3029466752 3034569728 3247937912 3482325184 3728574464 4285938688 4931175808 5277899107 6058933504 6069139456 6495875824 6964650368 7457148928 8571877376 9862351616 10555798214 12117867008 12138278912 12991751648 13929300736 17143754752 19724703232 21111596428 24235734016 25983503296 27858601472 39449406464 42223192856 48471468032 51967006592 55717202944 78898812928 84446385712 96942936064 103934013184 111434405888 157797625856 168892771424 207868026368 222868811776 337785542848 415736052736 675571085696 831472105472 1351142171392 1662944210944 2702284342784 5404568685568 10809137371136 21618274742272
• Sum of all divisors σ(n): 47595038212736
• Sum of proper divisors (its aliquot sum) s(n): 25976763470464
• 21618274742272 is an abundant number, because the sum of its proper divisors (25976763470464) is greater than itself. Its abundance is 4358488728192

Bases of 21618274742272

• Binary: 100111010100101100101100101100011000000000000₂
• Hexadecimal: 0x13A965963000
• Base-36: 7NVAQM41S

Squares and roots of 21618274742272

• 21618274742272 squared (21618274742272²) is 467349802832355508023721984
• 21618274742272 cubed (21618274742272³) is 10103296438376510285844208001719780507648
• The square root of 21618274742272 is 4649545.6490147507
• The cube root of 21618274742272 is 27857.3848469625

Scales and comparisons

• 21,618,274,742,272 seconds is equal to 687,394 years, 13 weeks, 6 days, 5 hours, 17 minutes, 52 seconds.
• To count from 1 to 21,618,274,742,272 would take you about one million, seven hundred eighteen thousand, four hundred eighty-five 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 21618274742272 cubic inches would be around 2321.4 feet tall.

Recreational maths with 21618274742272

• 21618274742272 backwards is 27224747281612
• The number of decimal digits it has is: 14
• The sum of 21618274742272's digits is 55
• More coming soon!