21289622328

Names of 21289622328

• Cardinal: 21289622328 can be written as Twenty-one billion, two hundred eighty-nine million, six hundred twenty-two thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1289622328 × 10¹⁰

Factors of 21289622328

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2091

Divisors of 21289622328

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 36 39 43 52 72 78 86 104 117 129 156 172 234 258 307 312 344 387 468 516 559 614 774 921 936 1032 1118 1228 1548 1677 1723 1842 2236 2456 2763 3096 3354 3446 3684 3991 4472 5031 5169 5526 6708 6892 7368 7982 10062 10338 11052 11973 13201 13416 13784 15507 15964 20124 20676 22104 22399 23946 26402 31014 31928 35919 39603 40248 41352 44798 47892 52804 62028 67197 71838 74089 79206 89596 95784 105608 118809 124056 134394 143676 148178 158412 171613 179192 201591 222267 237618 268788 287352 296356 316824 343226 403182 444534 475236 514839 528961 537576 592712 666801 686452 806364 889068 950472 963157 1029678 1057922 1333602 1372904 1544517 1586883 1612728 1778136 1926314 2059356 2115844 2667204 2889471 3089034 3173766 3852628 4118712 4231688 4760649 5334408 5778942 6178068 6347532 6876493 7705256 8668413 9521298 11557884 12356136 12695064 13752986 17336826 19042596 20629479 22745323 23115768 27505972 34673652 38085192 41258958 45490646 55011944 61888437 68235969 69347304 82517916 90981292 123776874 136471938 165035832 181962584 204707907 247553748 272943876 295689199 409415814 495107496 545887752 591378398 818831628 887067597 1182756796 1637663256 1774135194 2365513592 2661202791 3548270388 5322405582 7096540776 10644811164 21289622328
• Sum of all divisors σ(n): 63782759040
• Sum of proper divisors (its aliquot sum) s(n): 42493136712
• 21289622328 is an abundant number, because the sum of its proper divisors (42493136712) is greater than itself. Its abundance is 21203514384

Bases of 21289622328

• Binary: 10011110100111101011101101100111000₂
• Hexadecimal: 0x4F4F5DB38
• Base-36: 9S3AHQ0

Squares and roots of 21289622328

• 21289622328 squared (21289622328²) is 453248018868876139584
• 21289622328 cubed (21289622328³) is 9649479142632590765553971031552
• The square root of 21289622328 is 145909.6375432411
• The cube root of 21289622328 is 2771.5495823075

Scales and comparisons

• 21,289,622,328 seconds is equal to 676 years, 49 weeks, 15 hours, 58 minutes, 48 seconds.
• To count from 1 to 21,289,622,328 would take you about one thousand, three hundred fifty-three 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 21289622328 cubic inches would be around 231 feet tall.

Recreational maths with 21289622328

• 21289622328 backwards is 82322698212
• The number of decimal digits it has is: 11
• The sum of 21289622328's digits is 45
• More coming soon!