28125394800

Names of 28125394800

• Cardinal: 28125394800 can be written as Twenty-eight billion, one hundred twenty-five million, three hundred ninety-four thousand, eight hundred.

Scientific notation

• Scientific notation: 2.81253948 × 10¹⁰

Factors of 28125394800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 70

Divisors of 28125394800

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 29 30 31 40 48 50 58 60 62 75 80 87 93 100 116 120 124 145 150 155 174 186 200 232 240 248 290 300 310 348 372 400 435 464 465 496 580 600 620 696 725 744 775 841 870 899 930 961 1160 1200 1240 1392 1450 1488 1550 1682 1740 1798 1860 1922 2175 2320 2325 2480 2523 2697 2883 2900 3100 3364 3480 3596 3720 3844 4205 4350 4495 4650 4805 5046 5394 5766 5800 6200 6728 6960 7192 7440 7688 8410 8700 8990 9300 9610 10092 10788 11532 11600 12400 12615 13456 13485 14384 14415 15376 16820 17400 17980 18600 19220 20184 21025 21576 22475 23064 24025 24389 25230 26071 26970 27869 28830 33640 34800 35960 37200 38440 40368 42050 43152 44950 46128 48050 48778 50460 52142 53940 55738 57660 63075 67280 67425 71920 72075 73167 76880 78213 83607 84100 89900 96100 97556 100920 104284 107880 111476 115320 121945 126150 130355 134850 139345 144150 146334 156426 167214 168200 179800 192200 195112 201840 208568 215760 222952 230640 243890 252300 260710 269700 278690 288300 292668 312852 334428 336400 359600 365835 384400 390224 391065 417136 418035 445904 487780 504600 521420 539400 557380 576600 585336 609725 625704 651775 668856 696725 731670 756059 782130 808201 836070 975560 1009200 1042840 1078800 1114760 1153200 1170672 1219450 1251408 1303550 1337712 1393450 1463340 1512118 1564260 1616402 1672140 1829175 1951120 1955325 2085680 2090175 2229520 2268177 2424603 2438900 2607100 2786900 2926680 3024236 3128520 3232804 3344280 3658350 3780295 3910650 4041005 4180350 4536354 4849206 4877800 5214200 5573800 5853360 6048472 6257040 6465608 6688560 7316700 7560590 7821300 8082010 8360700 9072708 9698412 9755600 10428400 11147600 11340885 12096944 12123015 12931216 14633400 15121180 15642600 16164020 16721400 18145416 18901475 19396824 20205025 22681770 23437829 24246030 29266800 30242360 31285200 32328040 33442800 36290832 37802950 38793648 40410050 45363540 46875658 48492060 56704425 60484720 60615075 64656080 70313487 75605900 80820100 90727080 93751316 96984120 113408850 117189145 121230150 140626974 151211800 161640200 181454160 187502632 193968240 226817700 234378290 242460300 281253948 302423600 323280400 351567435 375005264 453635400 468756580 484920600 562507896 585945725 703134870 907270800 937513160 969841200 1125015792 1171891450 1406269740 1757837175 1875026320 2343782900 2812539480 3515674350 4687565800 5625078960 7031348700 9375131600 14062697400 28125394800
• Sum of all divisors σ(n): 96419743920
• Sum of proper divisors (its aliquot sum) s(n): 68294349120
• 28125394800 is an abundant number, because the sum of its proper divisors (68294349120) is greater than itself. Its abundance is 40168954320

Bases of 28125394800

• Binary: 11010001100011001110111011101110000₂
• Hexadecimal: 0x68C677770
• Base-36: CX54TIO

Squares and roots of 28125394800

• 28125394800 squared (28125394800²) is 791037832655867040000
• 28125394800 cubed (28125394800³) is 22248251345182593036307392000000
• The square root of 28125394800 is 167706.2753745367
• The cube root of 28125394800 is 3041.1152273695

Scales and comparisons

• 28,125,394,800 seconds is equal to 894 years, 15 weeks, 4 days, 9 hours, 40 minutes.
• To count from 1 to 28,125,394,800 would take you about one thousand, seven hundred eighty-eight 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 28125394800 cubic inches would be around 253.4 feet tall.

Recreational maths with 28125394800

• 28125394800 backwards is 00849352182
• The number of decimal digits it has is: 11
• The sum of 28125394800's digits is 42
• More coming soon!