33145728

Names of 33145728

• Cardinal: 33145728 can be written as Thirty-three million, one hundred forty-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.3145728 × 10⁷

Factors of 33145728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 101

Divisors of 33145728

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 19 21 22 24 28 32 33 38 42 44 48 56 57 59 64 66 76 77 84 88 96 112 114 118 128 132 133 152 154 168 176 177 192 209 224 228 231 236 264 266 304 308 336 352 354 384 399 413 418 448 456 462 472 528 532 608 616 627 649 672 704 708 798 826 836 896 912 924 944 1056 1064 1121 1216 1232 1239 1254 1298 1344 1408 1416 1463 1596 1652 1672 1824 1848 1888 1947 2112 2128 2242 2432 2464 2478 2508 2596 2688 2832 2926 3192 3304 3344 3363 3648 3696 3776 3894 4224 4256 4389 4484 4543 4928 4956 5016 5192 5664 5852 6384 6608 6688 6726 7296 7392 7552 7788 7847 8512 8778 8968 9086 9856 9912 10032 10384 11328 11704 12331 12768 13216 13376 13452 13629 14784 15576 15694 17024 17556 17936 18172 19824 20064 20768 22656 23408 23541 24662 25536 26432 26752 26904 27258 29568 31152 31388 35112 35872 36344 36993 39648 40128 41536 46816 47082 49324 51072 52864 53808 54516 62304 62776 70224 71744 72688 73986 79296 80256 83072 86317 93632 94164 98648 107616 109032 124608 125552 140448 143488 145376 147972 158592 172634 187264 188328 197296 215232 218064 249216 251104 258951 280896 290752 295944 345268 376656 394592 430464 436128 502208 517902 561792 581504 591888 690536 753312 789184 872256 1004416 1035804 1183776 1381072 1506624 1578368 1744512 2071608 2367552 2762144 3013248 4143216 4735104 5524288 8286432 11048576 16572864 33145728
• Sum of all divisors σ(n): 117504000
• Sum of proper divisors (its aliquot sum) s(n): 84358272
• 33145728 is an abundant number, because the sum of its proper divisors (84358272) is greater than itself. Its abundance is 51212544

Bases of 33145728

• Binary: 1111110011100001110000000₂
• Hexadecimal: 0x1F9C380
• Base-36: JQFEO

Squares and roots of 33145728

• 33145728 squared (33145728²) is 1098639284649984
• 33145728 cubed (33145728³) is 36415198899122944868352
• The square root of 33145728 is 5757.2326685657
• The cube root of 33145728 is 321.2248887495

Scales and comparisons

• 33,145,728 seconds is equal to 1 year, 2 weeks, 5 days, 15 hours, 8 minutes, 48 seconds.
• To count from 1 to 33,145,728 would take you about thirty weeks!

  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 33145728 cubic inches would be around 26.8 feet tall.

Recreational maths with 33145728

• 33145728 backwards is 82754133
• 33145728 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 33145728's digits is 33
• More coming soon!