21387441980122416

Names of 21387441980122416

• Cardinal: 21387441980122416 can be written as Twenty-one quadrillion, three hundred eighty-seven trillion, four hundred forty-one billion, nine hundred eighty million, one hundred twenty-two thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 2.1387441980122416 × 10¹⁶

Factors of 21387441980122416

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 50814015

Divisors of 21387441980122416

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 264 396 467 528 569 792 934 1138 1401 1584 1707 1868 2276 2802 3414 3736 4203 4552 5121 5137 5604 6259 6828 7472 8406 9104 10242 10274 11208 12518 13656 15411 16812 18777 20484 20548 22416 25036 27312 30822 33624 37554 40968 41096 46233 50072 56331 61644 67248 75108 81936 82192 92466 100144 112662 123288 150216 184932 225324 246576 265723 300432 369864 450648 531446 739728 797169 901296 1062892 1594338 2125784 2391507 2922953 3188676 4251568 4783014 5845906 6377352 8768859 9566028 11691812 12754704 17537718 19132056 23383624 26306577 35075436 38264112 46767248 50812963 52613154 70150872 101625926 105226308 140301744 152438889 203251852 210452616 304877778 406503704 420905232 457316667 558942593 609755556 813007408 914633334 1117885186 1219511112 1676827779 1829266668 2235770372 2439022224 3353655558 3658533336 4471540744 5030483337 6707311116 7317066672 8943081488 10060966674 13414622232 20121933348 23729653721 26829244464 28912575947 40243866696 47459307442 57825151894 71188961163 80487733392 86737727841 94918614884 115650303788 142377922326 173475455682 189837229768 213566883489 231300607576 260213183523 261026190931 284755844652 318038335417 346950911364 379674459536 427133766978 462601215152 520426367046 522052381862 569511689304 636076670834 693901822728 783078572793 854267533956 954115006251 1040852734092 1044104763724 1139023378608 1272153341668 1387803645456 1566157145586 1708535067912 1908230012502 2081705468184 2088209527448 2349235718379 2544306683336 2862345018753 3132314291172 3417070135824 3816460025004 4163410936368 4176419054896 4698471436758 5088613366672 5724690037506 6264628582344 7632920050008 9396942873516 11449380075012 12529257164688 13502172967249 15265840100016 18793885747032 22898760150024 27004345934498 37587771494064 40506518901747 45797520300048 54008691868996 81013037803494 108017383737992 121519556705241 148523902639739 162026075606988 216034767475984 243039113410482 297047805279478 324052151213976 445571707919217 486078226820964 594095610558956 648104302427952 891143415838434 972156453641928 1188191221117912 1336715123757651 1782286831676868 1944312907283856 2376382442235824 2673430247515302 3564573663353736 5346860495030604 7129147326707472 10693720990061208 21387441980122416
• Sum of all divisors σ(n): 65551333313831040
• Sum of proper divisors (its aliquot sum) s(n): 44163891333708624
• 21387441980122416 is an abundant number, because the sum of its proper divisors (44163891333708624) is greater than itself. Its abundance is 22776449353586208

Bases of 21387441980122416

• Binary: 1001011111110111100001111100001111000010010010100110000₂
• Hexadecimal: 0x4BFBC3E1E12530
• Base-36: 5UL7R7FKRW0

Squares and roots of 21387441980122416

• 21387441980122416 squared (21387441980122416²) is 457422674453102650594862345677056
• 21387441980122416 cubed (21387441980122416³) is 9783100910258157024697681918329959686119282487296
• The square root of 21387441980122416 is 146244459.6561607045
• The cube root of 21387441980122416 is 277578.7920301709

Scales and comparisons

• 21,387,441,980,122,416 seconds is equal to 680,054,499 years, 13 weeks, 5 days, 21 hours, 33 minutes, 36 seconds.
• To count from 1 to 21,387,441,980,122,416 would take you about two billion, forty million, one hundred sixty-three thousand, four hundred ninety-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 21387441980122416 cubic inches would be around 23131.6 feet tall.

Recreational maths with 21387441980122416

• 21387441980122416 backwards is 61422108914478312
• The number of decimal digits it has is: 17
• The sum of 21387441980122416's digits is 63
• More coming soon!