28304721648

Names of 28304721648

• Cardinal: 28304721648 can be written as Twenty-eight billion, three hundred four million, seven hundred twenty-one thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.8304721648 × 10¹⁰

Factors of 28304721648

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 589

Divisors of 28304721648

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 27 28 36 38 42 48 54 56 57 63 72 76 81 84 108 112 114 126 127 133 144 152 162 168 171 189 216 228 243 252 254 266 304 324 336 342 378 381 399 431 432 456 486 504 508 513 532 567 648 684 756 762 798 862 889 912 972 1008 1016 1026 1064 1134 1143 1197 1293 1296 1368 1512 1524 1539 1596 1701 1724 1778 1944 2032 2052 2128 2268 2286 2394 2413 2586 2667 2736 3017 3024 3048 3078 3192 3402 3429 3448 3556 3591 3879 3888 4104 4536 4572 4617 4788 4826 5172 5334 6034 6096 6156 6384 6804 6858 6896 7112 7182 7239 7758 8001 8189 8208 9051 9072 9144 9234 9576 9652 10287 10344 10668 10773 11637 12068 12312 13608 13716 14224 14364 14478 15516 16002 16378 16891 18102 18288 18468 19152 19304 20574 20688 21336 21546 21717 23274 24003 24136 24567 24624 27153 27216 27432 28728 28956 30861 31032 32004 32319 32756 33782 34911 36204 36936 38608 41148 42672 43092 43434 46548 48006 48272 49134 50673 54306 54737 54864 57323 57456 57912 61722 62064 64008 64638 65151 65512 67564 69822 72009 72408 73701 73872 81459 82296 86184 86868 93096 96012 98268 101346 104733 108612 109474 114646 115824 123444 128016 129276 130302 131024 135128 139644 144018 144816 147402 152019 162918 164211 164592 171969 172368 173736 186192 192024 195453 196536 202692 209466 216027 217224 218948 221103 229292 244377 246888 258552 260604 270256 279288 288036 294804 304038 325836 328422 343938 347472 383159 384048 390906 393072 405384 418932 432054 434448 437896 442206 456057 458584 488754 492633 493776 515907 517104 521208 558576 576072 586359 589608 608076 651672 656844 663309 687876 733131 766318 781812 810768 837864 864108 875792 884412 912114 917168 977508 985266 1031814 1040003 1042416 1149477 1152144 1172718 1179216 1216152 1303344 1313688 1326618 1368171 1375752 1466262 1477899 1532636 1547721 1563624 1675728 1728216 1768824 1824228 1955016 1970532 1989927 2063628 2080006 2298954 2345436 2432304 2627376 2653236 2736342 2751504 2932524 2955798 3065272 3095442 3120009 3127248 3448431 3456432 3537648 3648456 3910032 3941064 3979854 4104513 4127256 4160012 4433697 4597908 4643163 4690872 5306472 5472684 5865048 5911596 6130544 6190884 6240018 6896862 7280021 7296912 7882128 7959708 8209026 8254512 8320024 8867394 9195816 9286326 9360027 9381744 10345293 10612944 10945368 11730096 11823192 12381768 12480036 13301091 13793724 13929489 14560042 15919416 16418052 16640048 17734788 18391632 18572652 18720054 20690586 21840063 21890736 23646384 24763536 24960072 26602182 27587448 27858978 28080081 29120084 31035879 31838832 32836104 35469576 37145304 37440108 41381172 43680126 49920144 53204364 55174896 55717956 56160162 58240168 62071758 65520189 65672208 70939152 74290608 74880216 82762344 84240243 87360252 93107637 106408728 111435912 112320324 116480336 124143516 131040378 149760432 165524688 168480486 174720504 186215274 196560567 212817456 222871824 224640648 248287032 252720729 262080756 336960972 349441008 372430548 393121134 449281296 496574064 505441458 524161512 589681701 673921944 744861096 786242268 1010882916 1048323024 1179363402 1347843888 1489722192 1572484536 1769045103 2021765832 2358726804 3144969072 3538090206 4043531664 4717453608 7076180412 9434907216 14152360824 28304721648
• Sum of all divisors σ(n): 99833610240
• Sum of proper divisors (its aliquot sum) s(n): 71528888592
• 28304721648 is an abundant number, because the sum of its proper divisors (71528888592) is greater than itself. Its abundance is 43224166944

Bases of 28304721648

• Binary: 11010010111000101111100011011110000₂
• Hexadecimal: 0x69717C6F0
• Base-36: D03WF00

Squares and roots of 28304721648

• 28304721648 squared (28304721648²) is 801157267570759835904
• 28304721648 cubed (28304721648³) is 22676533454862614299120876449792
• The square root of 28304721648 is 168240.0714693145
• The cube root of 28304721648 is 3047.5648985223

Scales and comparisons

• 28,304,721,648 seconds is equal to 900 years, 22 hours, 40 minutes, 48 seconds.
• To count from 1 to 28,304,721,648 would take you about one thousand, eight hundred 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 28304721648 cubic inches would be around 254 feet tall.

Recreational maths with 28304721648

• 28304721648 backwards is 84612740382
• The number of decimal digits it has is: 11
• The sum of 28304721648's digits is 45
• More coming soon!