28553472

Names of 28553472

• Cardinal: 28553472 can be written as Twenty-eight million, five hundred fifty-three thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.8553472 × 10⁷

Factors of 28553472

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 22

Divisors of 28553472

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 64 68 72 81 96 102 108 128 136 144 153 162 192 204 216 243 256 272 288 306 324 384 408 432 459 486 544 576 612 648 729 768 816 864 918 972 1088 1152 1224 1296 1377 1458 1632 1728 1836 1944 2176 2187 2304 2448 2592 2754 2916 3264 3456 3672 3888 4131 4352 4374 4896 5184 5508 5832 6528 6561 6912 7344 7776 8262 8748 9792 10368 11016 11664 12393 13056 13122 14688 15552 16524 17496 19584 20736 22032 23328 24786 26244 29376 31104 33048 34992 37179 39168 44064 46656 49572 52488 58752 62208 66096 69984 74358 88128 93312 99144 104976 111537 117504 132192 139968 148716 176256 186624 198288 209952 223074 264384 279936 297432 352512 396576 419904 446148 528768 559872 594864 793152 839808 892296 1057536 1189728 1586304 1679616 1784592 2379456 3172608 3569184 4758912 7138368 9517824 14276736 28553472
• Sum of all divisors σ(n): 90517518
• Sum of proper divisors (its aliquot sum) s(n): 61964046
• 28553472 is an abundant number, because the sum of its proper divisors (61964046) is greater than itself. Its abundance is 33410574

Bases of 28553472

• Binary: 1101100111011000100000000₂
• Hexadecimal: 0x1B3B100
• Base-36: H0000

Squares and roots of 28553472

• 28553472 squared (28553472²) is 815300763254784
• 28553472 cubed (28553472³) is 23279667515174103810048
• The square root of 28553472 is 5343.5448908005
• The cube root of 28553472 is 305.6466509559

Scales and comparisons

• 28,553,472 seconds is equal to 47 weeks, 1 day, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 28,553,472 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 28553472 cubic inches would be around 25.5 feet tall.

Recreational maths with 28553472

• 28553472 backwards is 27435582
• 28553472 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28553472's digits is 36
• More coming soon!