21248000865

Names of 21248000865

• Cardinal: 21248000865 can be written as Twenty-one billion, two hundred forty-eight million, eight hundred sixty-five.

Scientific notation

• Scientific notation: 2.1248000865 × 10¹⁰

Factors of 21248000865

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 192

Divisors of 21248000865

• Number of divisors d(n): 512
• Complete list of divisors:
  1 3 5 7 9 13 15 19 21 27 29 35 39 43 45 57 63 65 73 87 91 95 105 117 129 133 135 145 171 189 195 203 215 219 247 261 273 285 301 315 351 365 377 387 399 435 455 511 513 551 559 585 609 645 657 665 741 783 817 819 855 903 945 949 1015 1095 1131 1161 1197 1235 1247 1305 1365 1387 1505 1533 1653 1677 1729 1755 1827 1885 1935 1971 1995 2117 2223 2451 2457 2555 2565 2639 2709 2755 2795 2847 3045 3139 3285 3393 3591 3705 3741 3857 3913 3915 4085 4095 4161 4515 4599 4745 4959 5031 5187 5481 5655 5719 5805 5985 6235 6351 6643 6669 6935 7163 7353 7665 7917 8127 8265 8385 8541 8645 8729 9135 9417 9709 9855 10179 10585 10621 11115 11223 11571 11739 12255 12285 12483 13195 13545 13797 14235 14819 14877 15093 15561 15695 16211 16965 17157 17955 18031 18705 19053 19285 19565 19929 20805 21489 21973 22059 22995 23693 23751 24795 25155 25623 25935 26187 27405 27521 28251 28595 29127 31755 31863 33215 33345 33669 34713 35217 35815 36765 37449 39585 40223 40635 40807 42705 43645 44457 46683 47085 48545 48633 50141 50895 51471 53105 54093 56115 57159 57855 58695 59641 59787 62415 64467 65919 68985 71079 71253 74095 74347 74385 75465 77805 78561 81055 82563 84753 85785 87381 90155 91031 95265 95589 99645 104139 105651 107445 109865 110295 113477 118465 118755 120669 122421 126217 128115 130935 133371 137605 141255 145635 145899 150423 154413 159315 162279 165851 168345 173565 176085 178923 179361 187245 192647 193401 197757 201115 204035 213237 222285 223041 233415 235683 243165 247689 250705 257355 262143 270465 273093 281561 285649 285795 286767 298205 298935 308009 322335 329595 340431 355395 356265 362007 367263 371735 378651 392805 400113 412815 417487 423765 436905 437697 451269 455155 477945 486837 497553 520695 522899 528255 536769 567385 577941 593271 603345 612105 631085 637217 639711 666855 669123 729495 743067 752115 772065 775333 811395 819279 829255 844683 856947 894615 896805 924027 963235 967005 988785 1021293 1066185 1086021 1101789 1115205 1135953 1178415 1183403 1238445 1252461 1310715 1353807 1365465 1407805 1428245 1433835 1492659 1540045 1568697 1610307 1702155 1729589 1733823 1810035 1836315 1893255 1911651 2000565 2007369 2087435 2156063 2188485 2256345 2325999 2434185 2457837 2487765 2534049 2570841 2614495 2683845 2772081 2889705 2966355 3063879 3186085 3198555 3345615 3407859 3550209 3660293 3715335 3757383 3876665 4096395 4223415 4284735 4477977 4620135 4706091 5106465 5188767 5201469 5427331 5430105 5508945 5679765 5734953 5917015 6262305 6468189 6769035 6977997 7463295 7602147 7712523 7843485 8051535 8283821 8316243 8647945 8669115 9558255 10036845 10650627 10780315 10980879 11272149 11629995 12107123 12289185 12670245 12854205 13860405 14118273 15319395 15566301 16281993 17039295 17204859 17751045 18301465 18786915 19404567 20933991 22389885 22484657 23530455 24851463 25943835 26007345 27136655 28674765 31951881 32340945 32942637 34889985 36321369 38010735 38562615 41419105 41581215 46698903 48845979 53253135 54904395 56360745 58213701 60535615 67453971 70591365 74554389 77831505 81409965 86024295 97022835 98827911 104669955 108964107 112423285 124257315 146537937 157392599 159759405 164713185 181606845 202361913 223663167 233494515 244229895 291068505 326892321 337269855 372771945 472177797 494139555 544820535 607085739 732689685 786962995 1011809565 1118315835 1416533391 1634461605 2360888985 3035428695 4249600173 7082666955 21248000865
• Sum of all divisors σ(n): 52512768000
• Sum of proper divisors (its aliquot sum) s(n): 31264767135
• 21248000865 is an abundant number, because the sum of its proper divisors (31264767135) is greater than itself. Its abundance is 10016766270

Bases of 21248000865

• Binary: 10011110010011110101100001101100001₂
• Hexadecimal: 0x4F27AC361
• Base-36: 9REIEE9

Squares and roots of 21248000865

• 21248000865 squared (21248000865²) is 451477540759040748225
• 21248000865 cubed (21248000865³) is 9592995176576170574855047214625
• The square root of 21248000865 is 145766.9402333739
• The cube root of 21248000865 is 2769.7422666359

Scales and comparisons

• 21,248,000,865 seconds is equal to 675 years, 32 weeks, 1 day, 22 hours, 27 minutes, 45 seconds.
• To count from 1 to 21,248,000,865 would take you about one thousand, three hundred fifty-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 21248000865 cubic inches would be around 230.8 feet tall.

Recreational maths with 21248000865

• 21248000865 backwards is 56800084212
• The number of decimal digits it has is: 11
• The sum of 21248000865's digits is 36
• More coming soon!