21100042944

Names of 21100042944

• Cardinal: 21100042944 can be written as Twenty-one billion, one hundred million, forty-two thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 2.1100042944 × 10¹⁰

Factors of 21100042944

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4852

Divisors of 21100042944

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 96 108 114 137 144 152 171 192 216 228 274 288 304 342 411 432 456 513 548 576 608 684 822 864 912 1026 1096 1216 1233 1368 1644 1728 1824 2052 2192 2466 2603 2736 3288 3648 3699 4104 4384 4691 4932 5206 5472 6576 7398 7809 8208 8768 9382 9864 10412 10944 13152 14073 14796 15618 16416 18764 19728 20824 23427 26304 28146 29592 31236 32832 37528 39456 41648 42219 46854 56292 59184 62472 70281 75056 78912 83296 84438 89129 93708 112584 118368 124944 126657 140562 150112 166592 168876 178258 187416 225168 236736 249888 253314 267387 281124 300224 337752 356516 374832 450336 499776 506628 534774 562248 642667 675504 713032 749664 802161 900672 1013256 1069548 1124496 1285334 1351008 1426064 1499328 1604322 1928001 2026512 2139096 2248992 2406483 2570668 2702016 2852128 3208644 3856002 4053024 4278192 4497984 4812966 5141336 5704256 5784003 6417288 7712004 8106048 8556384 9625932 10282672 11568006 12210673 12834576 15424008 17112768 17352009 19251864 20565344 23136012 24421346 25669152 30848016 34704018 36632019 38503728 41130688 46272024 48842692 51338304 61696032 69408036 73264038 77007456 92544048 97685384 109896057 123392064 138816072 146528076 154014912 185088096 195370768 219792114 277632144 293056152 329688171 370176192 390741536 439584228 555264288 586112304 659376342 781483072 879168456 1110528576 1172224608 1318752684 1758336912 2344449216 2637505368 3516673824 5275010736 7033347648 10550021472 21100042944
• Sum of all divisors σ(n): 65785593600
• Sum of proper divisors (its aliquot sum) s(n): 44685550656
• 21100042944 is an abundant number, because the sum of its proper divisors (44685550656) is greater than itself. Its abundance is 23585507712

Bases of 21100042944

• Binary: 10011101001101010010001101011000000₂
• Hexadecimal: 0x4E9A91AC0
• Base-36: 9OYF5C0

Squares and roots of 21100042944

• 21100042944 squared (21100042944²) is 445211812238644187136
• 21100042944 cubed (21100042944³) is 9393988357411457124905572368384
• The square root of 21100042944 is 145258.5382826083
• The cube root of 21100042944 is 2763.2983629297

Scales and comparisons

• 21,100,042,944 seconds is equal to 670 years, 47 weeks, 4 days, 11 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,100,042,944 would take you about one thousand, three hundred forty-one 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 21100042944 cubic inches would be around 230.3 feet tall.

Recreational maths with 21100042944

• 21100042944 backwards is 44924000112
• 21100042944 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21100042944's digits is 27
• More coming soon!