21149440056

Names of 21149440056

• Cardinal: 21149440056 can be written as Twenty-one billion, one hundred forty-nine million, four hundred forty thousand and fifty-six.

Scientific notation

• Scientific notation: 2.1149440056 × 10¹⁰

Factors of 21149440056

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 575

Divisors of 21149440056

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 19 23 24 36 37 38 46 57 69 72 74 76 92 111 114 138 148 152 171 184 207 222 228 276 296 333 342 414 437 444 456 491 552 666 684 703 828 851 874 888 982 1311 1332 1368 1369 1406 1473 1656 1702 1748 1964 2109 2553 2622 2664 2738 2812 2946 3404 3496 3928 3933 4107 4218 4419 5106 5244 5476 5624 5892 6327 6808 7659 7866 8214 8436 8838 9329 10212 10488 10952 11293 11784 12321 12654 15318 15732 16169 16428 16872 17676 18167 18658 20424 22586 24642 25308 26011 27987 30636 31464 31487 32338 32856 33879 35352 36334 37316 45172 48507 49284 50616 52022 54501 55974 61272 62974 64676 67758 72668 74632 78033 83961 90344 94461 97014 98568 101637 104044 109002 111948 125948 129352 135516 145336 145521 156066 163503 167922 188922 194028 203274 208088 214567 218004 223896 234099 251896 271032 283383 291042 312132 327006 335844 345173 377844 388056 406548 417841 429134 436008 468198 566766 582084 598253 624264 643701 654012 671688 672179 690346 755688 813096 835682 858268 936396 1035519 1133532 1164168 1196506 1253523 1287402 1308024 1344358 1380692 1671364 1716536 1794759 1872792 1931103 2016537 2071038 2267064 2393012 2507046 2574804 2688716 2761384 3106557 3342728 3589518 3760569 3862206 4033074 4142076 4786024 5014092 5149608 5377432 5384277 6049611 6213114 7179036 7521138 7724412 7938979 8066148 8284152 10028184 10768554 12099222 12426228 12771401 14358072 15042276 15448824 15460117 15877958 16132296 21537108 23816937 24198444 24852456 25542802 30084552 30920234 31755916 38314203 43074216 46380351 47633874 48396888 51085604 61840468 63511832 71450811 76628406 92760702 95267748 102171208 114942609 123680936 139141053 142901622 153256812 185521404 190535496 229885218 278282106 285803244 293742223 306513624 371042808 459770436 556564212 571606488 587484446 881226669 919540872 1113128424 1174968892 1762453338 2349937784 2643680007 3524906676 5287360014 7049813352 10574720028 21149440056
• Sum of all divisors σ(n): 64794038400
• Sum of proper divisors (its aliquot sum) s(n): 43644598344
• 21149440056 is an abundant number, because the sum of its proper divisors (43644598344) is greater than itself. Its abundance is 22495158288

Bases of 21149440056

• Binary: 10011101100100110101101100000111000₂
• Hexadecimal: 0x4EC9AD838
• Base-36: 9PRTWE0

Squares and roots of 21149440056

• 21149440056 squared (21149440056²) is 447298814682337283136
• 21149440056 cubed (21149440056³) is 9460119468243945051658731695616
• The square root of 21149440056 is 145428.4705826201
• The cube root of 21149440056 is 2765.4530596221

Scales and comparisons

• 21,149,440,056 seconds is equal to 672 years, 25 weeks, 2 days, 4 hours, 27 minutes, 36 seconds.
• To count from 1 to 21,149,440,056 would take you about one thousand, three hundred forty-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 21149440056 cubic inches would be around 230.5 feet tall.

Recreational maths with 21149440056

• 21149440056 backwards is 65004494112
• 21149440056 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21149440056's digits is 36
• More coming soon!