28094040

Names of 28094040

• Cardinal: 28094040 can be written as Twenty-eight million, ninety-four thousand and forty.

Scientific notation

• Scientific notation: 2.809404 × 10⁷

Factors of 28094040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 75

Divisors of 28094040

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 23 24 26 27 29 30 36 39 40 45 46 52 54 58 60 65 69 72 78 81 87 90 92 104 108 115 116 117 120 130 135 138 145 156 162 174 180 184 195 207 216 230 232 234 260 261 270 276 290 299 312 324 345 348 351 360 377 390 405 414 435 460 468 520 522 540 552 580 585 598 621 648 667 690 696 702 754 780 783 810 828 870 897 920 936 1035 1044 1053 1080 1131 1160 1170 1196 1242 1305 1334 1380 1404 1495 1508 1560 1566 1620 1656 1740 1755 1794 1863 1885 2001 2070 2088 2106 2262 2340 2349 2392 2484 2610 2668 2691 2760 2808 2990 3016 3105 3132 3240 3335 3393 3480 3510 3588 3726 3770 3915 4002 4140 4212 4485 4524 4680 4698 4968 5220 5265 5336 5382 5655 5980 6003 6210 6264 6670 6786 7020 7176 7452 7540 7830 8004 8073 8280 8424 8671 8970 9048 9315 9396 10005 10179 10440 10530 10764 11310 11745 11960 12006 12420 13340 13455 13572 14040 14904 15080 15660 16008 16146 16965 17342 17940 18009 18630 18792 20010 20358 21060 21528 22620 23490 24012 24219 24840 26013 26680 26910 27144 30015 30537 31320 32292 33930 34684 35880 36018 37260 40020 40365 40716 42120 43355 45240 46980 48024 48438 50895 52026 53820 54027 60030 61074 64584 67860 69368 72036 74520 78039 80040 80730 81432 86710 90045 93960 96876 101790 104052 107640 108054 120060 121095 122148 130065 135720 144072 152685 156078 161460 173420 180090 193752 203580 208104 216108 234117 240120 242190 244296 260130 270135 305370 312156 322920 346840 360180 390195 407160 432216 468234 484380 520260 540270 610740 624312 702351 720360 780390 936468 968760 1040520 1080540 1170585 1221480 1404702 1560780 1872936 2161080 2341170 2809404 3121560 3511755 4682340 5618808 7023510 9364680 14047020 28094040
• Sum of all divisors σ(n): 109771200
• Sum of proper divisors (its aliquot sum) s(n): 81677160
• 28094040 is an abundant number, because the sum of its proper divisors (81677160) is greater than itself. Its abundance is 53583120

Bases of 28094040

• Binary: 1101011001010111001011000₂
• Hexadecimal: 0x1ACAE58
• Base-36: GQ5I0

Squares and roots of 28094040

• 28094040 squared (28094040²) is 789275083521600
• 28094040 cubed (28094040³) is 22173925767459171264000
• The square root of 28094040 is 5300.3811183725
• The cube root of 28094040 is 303.9984706755

Scales and comparisons

• 28,094,040 seconds is equal to 46 weeks, 3 days, 3 hours, 54 minutes.
• To count from 1 to 28,094,040 would take you about seventeen 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 28094040 cubic inches would be around 25.3 feet tall.

Recreational maths with 28094040

• 28094040 backwards is 04049082
• 28094040 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28094040's digits is 27
• More coming soon!