21193315416

Names of 21193315416

• Cardinal: 21193315416 can be written as Twenty-one billion, one hundred ninety-three million, three hundred fifteen thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 2.1193315416 × 10¹⁰

Factors of 21193315416

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 34837

Divisors of 21193315416

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 31 36 39 42 52 54 56 62 63 72 78 84 91 93 104 108 117 124 126 156 168 182 186 189 216 217 234 248 252 273 279 312 351 364 372 378 403 434 468 504 546 558 651 702 728 744 756 806 819 837 868 936 1092 1116 1209 1302 1404 1512 1612 1638 1674 1736 1953 2184 2232 2418 2457 2604 2808 2821 3224 3276 3348 3627 3906 4836 4914 5208 5642 5859 6552 6696 7254 7812 8463 9672 9828 10881 11284 11718 14508 15624 16926 19656 21762 22568 23436 25389 29016 33852 34781 43524 46872 50778 67704 69562 76167 87048 101556 104343 139124 152334 203112 208686 243467 278248 304668 313029 417372 452153 486934 609336 626058 730401 834744 904306 939087 973868 1078211 1252116 1356459 1460802 1808612 1878174 1947736 2156422 2191203 2504232 2712918 2921604 3165071 3234633 3617224 3756348 4069377 4312844 4382406 5425836 5843208 6330142 6469266 6573609 7512696 7547477 8138754 8625688 8764812 9495213 9703899 10851672 12208131 12660284 12938532 13147218 14016743 15094954 16277508 17529624 18990426 19407798 22642431 24416262 25320568 25877064 26294436 28033486 28485639 29111697 30189908 32555016 37980852 38815596 42050229 45284862 48832524 52588872 56066972 56971278 58223394 60379816 67927293 75961704 77631192 84100458 85456917 90569724 97665048 98117201 112133944 113942556 116446788 126150687 135854586 168200916 170913834 181139448 196234402 203781879 227885112 232893576 252301374 271709172 294351603 336401832 341827668 378452061 392468804 407563758 504602748 543418344 588703206 683655336 756904122 784937608 815127516 883054809 1009205496 1177406412 1513808244 1630255032 1766109618 2354812824 2649164427 3027616488 3532219236 5298328854 7064438472 10596657708 21193315416
• Sum of all divisors σ(n): 74795212800
• Sum of proper divisors (its aliquot sum) s(n): 53601897384
• 21193315416 is an abundant number, because the sum of its proper divisors (53601897384) is greater than itself. Its abundance is 32408581968

Bases of 21193315416

• Binary: 10011101111001110000101010001011000₂
• Hexadecimal: 0x4EF385458
• Base-36: 9QHYAU0

Squares and roots of 21193315416

• 21193315416 squared (21193315416²) is 449156618322063253056
• 21193315416 cubed (21193315416³) is 9519117883283411193918833911296
• The square root of 21193315416 is 145579.2410201399
• The cube root of 21193315416 is 2767.3640864209

Scales and comparisons

• 21,193,315,416 seconds is equal to 673 years, 45 weeks, 6 days, 3 minutes, 36 seconds.
• To count from 1 to 21,193,315,416 would take you about one thousand, three hundred forty-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 21193315416 cubic inches would be around 230.6 feet tall.

Recreational maths with 21193315416

• 21193315416 backwards is 61451339112
• 21193315416 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21193315416's digits is 36
• More coming soon!