28789609728

Names of 28789609728

• Cardinal: 28789609728 can be written as Twenty-eight billion, seven hundred eighty-nine million, six hundred nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8789609728 × 10¹⁰

Factors of 28789609728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 779

Divisors of 28789609728

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 31 32 33 44 48 62 64 66 88 93 96 124 128 132 176 186 192 211 248 256 264 341 352 372 384 422 496 521 528 633 682 704 744 768 844 992 1023 1042 1056 1266 1364 1408 1488 1563 1688 1984 2046 2084 2112 2321 2532 2728 2816 2976 3126 3376 3968 4092 4168 4224 4642 5064 5456 5731 5952 6252 6541 6752 6963 7936 8184 8336 8448 9284 10128 10912 11462 11904 12504 13082 13504 13926 16151 16368 16672 17193 18568 19623 20256 21824 22924 23808 25008 26164 27008 27852 32302 32736 33344 34386 37136 39246 40512 43648 45848 48453 50016 52328 54016 55704 64604 65472 66688 68772 71951 74272 78492 81024 87296 91696 96906 100032 104656 109931 111408 129208 130944 133376 137544 143902 148544 156984 162048 177661 183392 193812 200064 209312 215853 219862 222816 258416 261888 275088 287804 297088 313968 329793 355322 366784 387624 400128 418624 431706 439724 445632 516832 532983 550176 575608 594176 627936 659586 710644 733568 775248 837248 863412 879448 891264 1033664 1065966 1100352 1151216 1209241 1255872 1319172 1421288 1467136 1550496 1674496 1726824 1758896 1782528 2067328 2131932 2200704 2302432 2418482 2511744 2638344 2842576 3100992 3407861 3453648 3517792 3627723 4134656 4263864 4401408 4604864 4836964 5023488 5276688 5685152 6201984 6815722 6907296 7035584 7255446 8527728 9209728 9673928 10223583 10553376 11370304 12403968 13631444 13814592 14071168 14510892 17055456 18419456 19347856 20447166 21106752 22740608 27262888 27629184 28142336 29021784 34110912 37486471 38695712 40894332 42213504 45481216 54525776 55258368 58043568 68221824 74972942 77391424 81788664 84427008 109051552 112459413 116087136 136443648 149945884 154782848 163577328 218103104 224918826 232174272 299891768 309565696 327154656 436206208 449837652 464348544 599783536 654309312 872412416 899675304 928697088 1199567072 1308618624 1799350608 2399134144 2617237248 3598701216 4798268288 7197402432 9596536576 14394804864 28789609728
• Sum of all divisors σ(n): 86859730944
• Sum of proper divisors (its aliquot sum) s(n): 58070121216
• 28789609728 is an abundant number, because the sum of its proper divisors (58070121216) is greater than itself. Its abundance is 29280511488

Bases of 28789609728

• Binary: 11010110011111111101001010100000000₂
• Hexadecimal: 0x6B3FE9500
• Base-36: D84L91C

Squares and roots of 28789609728

• 28789609728 squared (28789609728²) is 828841628290552233984
• 28789609728 cubed (28789609728³) is 23862027004805042605997898596352
• The square root of 28789609728 is 169675.0120907613
• The cube root of 28789609728 is 3064.8690665583

Scales and comparisons

• 28,789,609,728 seconds is equal to 915 years, 21 weeks, 6 days, 1 hour, 48 minutes, 48 seconds.
• To count from 1 to 28,789,609,728 would take you about one thousand, eight hundred thirty 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 28789609728 cubic inches would be around 255.4 feet tall.

Recreational maths with 28789609728

• 28789609728 backwards is 82790698782
• 28789609728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28789609728's digits is 66
• More coming soon!