21747144132

Names of 21747144132

• Cardinal: 21747144132 can be written as Twenty-one billion, seven hundred forty-seven million, one hundred forty-four thousand, one hundred thirty-two.

Scientific notation

• Scientific notation: 2.1747144132 × 10¹⁰

Factors of 21747144132

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 967

Divisors of 21747144132

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 73 84 98 126 146 147 196 219 252 281 292 294 438 441 511 562 588 601 657 843 876 882 1022 1124 1202 1314 1533 1686 1764 1803 1967 2044 2404 2529 2628 3066 3372 3577 3606 3934 4207 4599 5058 5409 5901 6132 7154 7212 7868 8414 9198 10116 10731 10818 11802 12621 13769 14308 16828 17703 18396 20513 21462 21636 23604 25242 27538 29449 32193 35406 37863 41026 41307 42924 43873 50484 55076 58898 61539 64386 70812 75726 82052 82614 87746 88347 117796 123078 123921 128772 131619 143591 151452 165228 168881 175492 176694 184617 246156 247842 263238 265041 287182 307111 337762 353388 369234 394857 430773 495684 506643 526476 530082 574364 614222 675524 738468 789714 861546 921333 1005137 1013286 1060164 1182167 1228444 1292319 1519929 1579428 1723092 1842666 2010274 2026572 2149777 2364334 2584638 2763999 3015411 3039858 3546501 3685332 4020548 4299554 4728668 5169276 5527998 6030822 6079716 6449331 7093002 8275169 8599108 9046233 10639503 11055996 12061644 12328313 12898662 14186004 16550338 18092466 19347993 21279006 24656626 24825507 25797324 33100676 36184932 36984939 38695986 42558012 49313252 49651014 73969878 74476521 77391972 86298191 99302028 110954817 147939756 148953042 172596382 221909634 258894573 297906084 345192764 443819268 517789146 604087337 776683719 1035578292 1208174674 1553367438 1812262011 2416349348 3106734876 3624524022 5436786033 7249048044 10873572066 21747144132
• Sum of all divisors σ(n): 65161874232
• Sum of proper divisors (its aliquot sum) s(n): 43414730100
• 21747144132 is an abundant number, because the sum of its proper divisors (43414730100) is greater than itself. Its abundance is 21667585968

Bases of 21747144132

• Binary: 10100010000001110110001010111000100₂
• Hexadecimal: 0x5103B15C4
• Base-36: 9ZNORT0

Squares and roots of 21747144132

• 21747144132 squared (21747144132²) is 472938277897982033424
• 21747144132 cubed (21747144132³) is 10285056894987285272818169467968
• The square root of 21747144132 is 147469.1294203637
• The cube root of 21747144132 is 2791.2629068825

Scales and comparisons

• 21,747,144,132 seconds is equal to 691 years, 25 weeks, 4 days, 1 hour, 22 minutes, 12 seconds.
• To count from 1 to 21,747,144,132 would take you about one thousand, three hundred eighty-two 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 21747144132 cubic inches would be around 232.6 feet tall.

Recreational maths with 21747144132

• 21747144132 backwards is 23144174712
• 21747144132 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21747144132's digits is 36
• More coming soon!