21216049008

Names of 21216049008

• Cardinal: 21216049008 can be written as Twenty-one billion, two hundred sixteen million, forty-nine thousand and eight.

Scientific notation

• Scientific notation: 2.1216049008 × 10¹⁰

Factors of 21216049008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 737

Divisors of 21216049008

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 49 56 66 77 84 88 98 112 121 127 132 147 154 168 176 196 231 242 254 264 294 308 336 363 381 392 462 484 508 528 539 587 588 616 726 762 784 847 889 924 968 1016 1078 1174 1176 1232 1397 1452 1524 1617 1694 1761 1778 1848 1936 2032 2156 2348 2352 2541 2667 2794 2904 3048 3234 3388 3522 3556 3696 4109 4191 4312 4696 5082 5334 5588 5808 5929 6096 6223 6457 6468 6776 7044 7112 8218 8382 8624 9392 9779 10164 10668 11176 11858 12327 12446 12914 12936 13552 14088 14224 15367 16436 16764 17787 18669 19371 19558 20328 21336 22352 23716 24654 24892 25828 25872 28176 28763 29337 30734 32872 33528 35574 37338 38742 39116 40656 42672 45199 46101 47432 49308 49784 51656 57526 58674 61468 65744 67056 68453 71027 71148 74549 74676 77484 78232 86289 90398 92202 94864 98616 99568 103312 107569 115052 117348 122936 135597 136906 142054 142296 149098 149352 154968 156464 172578 180796 184404 197232 205359 213081 215138 223647 230104 234696 245872 271194 273812 284108 284592 298196 298704 309936 316393 322707 345156 361592 368808 410718 426162 430276 447294 460208 469392 497189 521843 542388 547624 568216 596392 632786 645414 690312 723184 737616 752983 820039 821436 852324 860552 894588 949179 994378 1043686 1084776 1095248 1136432 1192784 1265572 1290828 1380624 1491567 1505966 1565529 1640078 1642872 1704648 1721104 1789176 1898358 1988756 2087372 2169552 2258949 2460117 2531144 2581656 2983134 3011932 3131058 3280156 3285744 3409296 3480323 3578352 3652901 3796716 3977512 4174744 4517898 4920234 5062288 5163312 5740273 5966268 6023864 6262116 6560312 6960646 7305802 7593432 7955024 8349488 9020429 9035796 9840468 10440969 10958703 11480546 11932536 12047728 12524232 13120624 13921292 14611604 15186864 17220819 18040858 18071592 19680936 20881938 21917406 22961092 23865072 25048464 27061287 27842584 29223208 34441638 36081716 36143184 39361872 40181911 41763876 43834812 45922184 54122574 55685168 58446416 63143003 68883276 72163432 80363822 83527752 87669624 91844368 108245148 120545733 126286006 137766552 144326864 160727644 167055504 175339248 189429009 216490296 241091466 252572012 275533104 321455288 378858018 432980592 442001021 482182932 505144024 642910576 757716036 884002042 964365864 1010288048 1326003063 1515432072 1768004084 1928731728 2652006126 3030864144 3536008168 5304012252 7072016336 10608024504 21216049008
• Sum of all divisors σ(n): 70751471616
• Sum of proper divisors (its aliquot sum) s(n): 49535422608
• 21216049008 is an abundant number, because the sum of its proper divisors (49535422608) is greater than itself. Its abundance is 28319373600

Bases of 21216049008

• Binary: 10011110000100100110011011101110000₂
• Hexadecimal: 0x4F0933770
• Base-36: 9QVHK6O

Squares and roots of 21216049008

• 21216049008 squared (21216049008²) is 450120735509857784064
• 21216049008 cubed (21216049008³) is 9549783584094148613812105408512
• The square root of 21216049008 is 145657.2998788595
• The cube root of 21216049008 is 2768.3532291989

Scales and comparisons

• 21,216,049,008 seconds is equal to 674 years, 31 weeks, 3 days, 2 hours, 56 minutes, 48 seconds.
• To count from 1 to 21,216,049,008 would take you about one thousand, three hundred forty-nine 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 21216049008 cubic inches would be around 230.7 feet tall.

Recreational maths with 21216049008

• 21216049008 backwards is 80094061212
• 21216049008 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21216049008's digits is 33
• More coming soon!