21461078016

Names of 21461078016

• Cardinal: 21461078016 can be written as Twenty-one billion, four hundred sixty-one million, seventy-eight thousand and sixteen.

Scientific notation

• Scientific notation: 2.1461078016 × 10¹⁰

Factors of 21461078016

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 121

Divisors of 21461078016

• Number of divisors d(n): 351
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 109 112 126 128 144 147 168 192 196 218 224 252 256 288 294 327 336 384 392 436 441 448 504 512 576 588 654 672 763 768 784 872 882 896 981 1008 1024 1152 1176 1308 1344 1526 1536 1568 1744 1764 1792 1962 2016 2048 2289 2304 2352 2616 2688 3052 3072 3136 3488 3528 3584 3924 4032 4096 4578 4608 4704 5232 5341 5376 6104 6144 6272 6867 6976 7056 7168 7848 8064 9156 9216 9408 10464 10682 10752 11881 12208 12288 12544 13734 13952 14112 14336 15696 16023 16128 18312 18432 18816 20928 21364 21504 23762 24416 25088 27468 27904 28224 28672 31392 32046 32256 35643 36624 36864 37632 41856 42728 43008 47524 48069 48832 50176 54936 55808 56448 62784 64092 64512 71286 73248 75264 83167 83712 85456 86016 95048 96138 97664 100352 106929 109872 111616 112896 125568 128184 129024 142572 146496 150528 166334 167424 170912 190096 192276 195328 200704 213858 219744 223232 225792 249501 251136 256368 258048 285144 292992 301056 332668 334848 341824 380192 384552 390656 427716 439488 446464 451584 499002 502272 512736 570288 582169 585984 602112 665336 669696 683648 748503 760384 769104 781312 855432 878976 903168 998004 1004544 1025472 1140576 1164338 1171968 1330672 1339392 1367296 1497006 1520768 1538208 1562624 1710864 1746507 1757952 1806336 1996008 2009088 2050944 2281152 2328676 2343936 2661344 2734592 2994012 3041536 3076416 3125248 3421728 3493014 3515904 3992016 4018176 4101888 4562304 4657352 4687872 5239521 5322688 5469184 5988024 6083072 6152832 6843456 6986028 7031808 7984032 8203776 9124608 9314704 9375744 10479042 10645376 10938368 11976048 12166144 12305664 13686912 13972056 14063616 15968064 16407552 18249216 18629408 20958084 21290752 21876736 23952096 24332288 24611328 27373824 27944112 28127232 31936128 32815104 36498432 37258816 41916168 42581504 47904192 48664576 49222656 54747648 55888224 63872256 65630208 72996864 74517632 83832336 85163008 95808384 98445312 109495296 111776448 127744512 145993728 149035264 167664672 170326016 191616768 196890624 218990592 223552896 255489024 298070528 335329344 340652032 383233536 437981184 447105792 510978048 596141056 670658688 766467072 894211584 1021956096 1192282112 1341317376 1532934144 1788423168 2384564224 2682634752 3065868288 3576846336 5365269504 7153692672 10730539008 21461078016
• Sum of all divisors σ(n): 72779746221
• Sum of proper divisors (its aliquot sum) s(n): 51318668205
• 21461078016 is an abundant number, because the sum of its proper divisors (51318668205) is greater than itself. Its abundance is 29857590189

Bases of 21461078016

• Binary: 10011111111001011100001000000000000₂
• Hexadecimal: 0x4FF2E1000
• Base-36: 9UXDDS0

Squares and roots of 21461078016

• 21461078016 squared (21461078016²) is 460577869608838496256
• 21461078016 cubed (21461078016³) is 9884497592118358371294139908096
• 21461078016 is a perfect square number. Its square root is 146496
• The cube root of 21461078016 is 2778.9699104449

Scales and comparisons

• 21,461,078,016 seconds is equal to 682 years, 20 weeks, 4 days, 2 hours, 33 minutes, 36 seconds.
• To count from 1 to 21,461,078,016 would take you about one thousand, three hundred sixty-four 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 21461078016 cubic inches would be around 231.6 feet tall.

Recreational maths with 21461078016

• 21461078016 backwards is 61087016412
• 21461078016 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21461078016's digits is 36
• More coming soon!