28125531200

Names of 28125531200

• Cardinal: 28125531200 can be written as Twenty-eight billion, one hundred twenty-five million, five hundred thirty-one thousand, two hundred.

Scientific notation

• Scientific notation: 2.81255312 × 10¹⁰

Factors of 28125531200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 927

Divisors of 28125531200

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 31 32 40 50 52 53 62 64 65 80 100 104 106 124 130 155 160 200 208 212 248 260 265 310 320 325 400 403 416 424 496 520 530 620 650 689 775 800 806 823 832 848 992 1040 1060 1240 1300 1325 1378 1550 1600 1612 1643 1646 1696 1984 2015 2080 2120 2480 2600 2650 2756 3100 3224 3286 3292 3392 3445 4030 4115 4160 4240 4960 5200 5300 5512 6200 6448 6572 6584 6890 8060 8215 8230 8480 9920 10075 10400 10600 10699 11024 12400 12896 13144 13168 13780 16120 16430 16460 16960 17225 20150 20575 20800 21200 21359 21398 22048 24800 25513 25792 26288 26336 27560 32240 32860 32920 34450 40300 41075 41150 42400 42718 42796 43619 44096 49600 51026 52576 52672 53495 55120 64480 65720 65840 68900 80600 82150 82300 84800 85436 85592 87238 102052 105152 106795 106990 110240 127565 128960 131440 131680 137800 161200 164300 164600 170872 171184 174476 204104 213590 213980 218095 220480 255130 262880 263360 267475 275600 322400 328600 329200 331669 341744 342368 348952 408208 427180 427960 436190 510260 525760 533975 534950 551200 567047 637825 644800 657200 658400 663338 683488 684736 697904 816416 854360 855920 872380 1020520 1067950 1069900 1090475 1102400 1134094 1275650 1314400 1316800 1326676 1352189 1366976 1395808 1632832 1658345 1708720 1711840 1744760 2041040 2135900 2139800 2180950 2268188 2551300 2628800 2653352 2704378 2791616 2835235 3316690 3417440 3423680 3489520 4082080 4271800 4279600 4361900 4536376 5102600 5306704 5408756 5670470 6633380 6760945 6834880 6979040 8164160 8291725 8543600 8559200 8723800 9072752 10205200 10613408 10817512 11340940 13266760 13521890 13958080 14176175 16583450 17087200 17118400 17447600 17578457 18145504 20410400 21226816 21635024 22681880 26533520 27043780 28352350 33166900 33804725 34174400 34895200 35156914 36291008 40820800 43270048 45363760 53067040 54087560 56704700 66333800 67609450 69790400 70313828 86540096 87892285 90727520 106134080 108175120 113409400 132667600 135218900 140627656 175784570 181455040 216350240 226818800 265335200 270437800 281255312 351569140 432700480 439461425 453637600 530670400 540875600 562510624 703138280 878922850 907275200 1081751200 1125021248 1406276560 1757845700 2163502400 2812553120 3515691400 5625106240 7031382800 14062765600 28125531200
• Sum of all divisors σ(n): 78480976896
• Sum of proper divisors (its aliquot sum) s(n): 50355445696
• 28125531200 is an abundant number, because the sum of its proper divisors (50355445696) is greater than itself. Its abundance is 22229914496

Bases of 28125531200

• Binary: 11010001100011010011000110001000000₂
• Hexadecimal: 0x68C698C40
• Base-36: CX57QRK

Squares and roots of 28125531200

• 28125531200 squared (28125531200²) is 791045505282173440000
• 28125531200 cubed (28125531200³) is 22248575039433533890531328000000
• The square root of 28125531200 is 167706.6820374193
• The cube root of 28125531200 is 3041.1201435369

Scales and comparisons

• 28,125,531,200 seconds is equal to 894 years, 15 weeks, 5 days, 23 hours, 33 minutes, 20 seconds.
• To count from 1 to 28,125,531,200 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 28125531200 cubic inches would be around 253.4 feet tall.

Recreational maths with 28125531200

• 28125531200 backwards is 00213552182
• The number of decimal digits it has is: 11
• The sum of 28125531200's digits is 29
• More coming soon!