28418121728

Names of 28418121728

• Cardinal: 28418121728 can be written as Twenty-eight billion, four hundred eighteen million, one hundred twenty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8418121728 × 10¹⁰

Factors of 28418121728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 182

Divisors of 28418121728

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 8 16 29 32 37 53 58 61 64 74 106 116 122 128 148 212 232 244 256 296 424 464 488 512 592 848 928 976 1024 1073 1184 1537 1696 1769 1856 1952 1961 2048 2146 2257 2368 3074 3233 3392 3538 3712 3904 3922 4096 4292 4514 4736 6148 6466 6784 7076 7424 7808 7844 8192 8584 9028 9472 12296 12932 13568 14152 14848 15616 15688 17168 18056 18944 24592 25864 27136 28304 29696 31232 31376 34336 36112 37888 49184 51728 54272 56608 56869 59392 62464 62752 65453 68672 72224 75776 93757 98368 103456 108544 113216 113738 118784 119621 124928 125504 130906 137344 144448 151552 187514 196736 206912 217088 226432 227476 237568 239242 249856 251008 261812 274688 288896 303104 375028 393472 413824 434176 452864 454952 478484 499712 502016 523624 549376 577792 750056 786944 827648 905728 909904 956968 1004032 1047248 1098752 1155584 1500112 1573888 1655296 1811456 1819808 1913936 2008064 2094496 2197504 2311168 3000224 3147776 3310592 3469009 3622912 3639616 3827872 4016128 4188992 4395008 4622336 6000448 6295552 6621184 6938018 7245824 7279232 7655744 8032256 8377984 8790016 9244672 12000896 12591104 13242368 13876036 14491648 14558464 15311488 16064512 16755968 18489344 24001792 26484736 27752072 29116928 30622976 33511936 48003584 55504144 58233856 61245952 67023872 96007168 111008288 116467712 122491904 134047744 192014336 222016576 232935424 244983808 268095488 384028672 444033152 465870848 489967616 536190976 768057344 888066304 979935232 1776132608 3552265216 7104530432 14209060864 28418121728
• Sum of all divisors σ(n): 62529323760
• Sum of proper divisors (its aliquot sum) s(n): 34111202032
• 28418121728 is an abundant number, because the sum of its proper divisors (34111202032) is greater than itself. Its abundance is 5693080304

Bases of 28418121728

• Binary: 11010011101110110100010000000000000₂
• Hexadecimal: 0x69DDA2000
• Base-36: D1ZEZ28

Squares and roots of 28418121728

• 28418121728 squared (28418121728²) is 807589642547425705984
• 28418121728 cubed (28418121728³) is 22950180768184751725689650020352
• The square root of 28418121728 is 168576.7532253483
• The cube root of 28418121728 is 3051.6293982257

Scales and comparisons

• 28,418,121,728 seconds is equal to 903 years, 31 weeks, 4 days, 10 hours, 42 minutes, 8 seconds.
• To count from 1 to 28,418,121,728 would take you about one thousand, eight hundred seven 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 28418121728 cubic inches would be around 254.3 feet tall.

Recreational maths with 28418121728

• 28418121728 backwards is 82712181482
• The number of decimal digits it has is: 11
• The sum of 28418121728's digits is 44
• More coming soon!