28445472

Names of 28445472

• Cardinal: 28445472 can be written as Twenty-eight million, four hundred forty-five thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.8445472 × 10⁷

Factors of 28445472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 130

Divisors of 28445472

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 41 44 48 54 66 72 73 82 88 96 99 108 123 132 144 146 164 176 198 216 219 246 264 288 292 297 328 352 369 396 432 438 451 492 528 584 594 656 657 738 792 803 864 876 902 984 1056 1107 1168 1188 1312 1314 1353 1476 1584 1606 1752 1804 1968 1971 2214 2336 2376 2409 2628 2706 2952 2993 3168 3212 3504 3608 3936 3942 4059 4428 4752 4818 5256 5412 5904 5986 6424 7008 7216 7227 7884 8118 8856 8979 9504 9636 10512 10824 11808 11972 12177 12848 14432 14454 15768 16236 17712 17958 19272 21024 21648 21681 23944 24354 25696 26937 28908 31536 32472 32923 35424 35916 38544 43296 43362 47888 48708 53874 57816 63072 64944 65846 71832 77088 80811 86724 95776 97416 98769 107748 115632 129888 131692 143664 161622 173448 194832 197538 215496 231264 263384 287328 296307 323244 346896 389664 395076 430992 526768 592614 646488 693792 790152 861984 888921 1053536 1185228 1292976 1580304 1777842 2370456 2585952 3160608 3555684 4740912 7111368 9481824 14222736 28445472
• Sum of all divisors σ(n): 93985920
• Sum of proper divisors (its aliquot sum) s(n): 65540448
• 28445472 is an abundant number, because the sum of its proper divisors (65540448) is greater than itself. Its abundance is 37094976

Bases of 28445472

• Binary: 1101100100000101100100000₂
• Hexadecimal: 0x1B20B20
• Base-36: GXOO0

Squares and roots of 28445472

• 28445472 squared (28445472²) is 809144877302784
• 28445472 cubed (28445472³) is 23016507951259777794048
• The square root of 28445472 is 5333.4296657967
• The cube root of 28445472 is 305.2608071079

Scales and comparisons

• 28,445,472 seconds is equal to 47 weeks, 5 hours, 31 minutes, 12 seconds.
• To count from 1 to 28,445,472 would take you about eighteen 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 28445472 cubic inches would be around 25.4 feet tall.

Recreational maths with 28445472

• 28445472 backwards is 27454482
• 28445472 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28445472's digits is 36
• More coming soon!