28528206720

Names of 28528206720

• Cardinal: 28528206720 can be written as Twenty-eight billion, five hundred twenty-eight million, two hundred six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.852820672 × 10¹⁰

Factors of 28528206720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 582

Divisors of 28528206720

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 41 48 52 60 61 64 65 78 80 82 96 104 120 122 123 128 130 156 160 164 183 192 195 205 208 240 244 246 260 305 312 320 328 366 384 390 410 416 457 480 488 492 520 533 610 615 624 640 656 732 780 793 820 832 914 915 960 976 984 1040 1066 1220 1230 1248 1312 1371 1464 1560 1586 1599 1640 1664 1828 1830 1920 1952 1968 2080 2132 2285 2379 2440 2460 2496 2501 2624 2665 2742 2928 3120 3172 3198 3280 3656 3660 3904 3936 3965 4160 4264 4570 4758 4880 4920 4992 5002 5248 5330 5484 5856 5941 6240 6344 6396 6560 6855 7312 7320 7503 7808 7872 7930 7995 8320 8528 9140 9516 9760 9840 10004 10660 10968 11712 11882 11895 12480 12505 12688 12792 13120 13710 14624 14640 15006 15744 15860 15990 17056 17823 18280 18737 19032 19520 19680 20008 21320 21936 23424 23764 23790 24960 25010 25376 25584 26240 27420 27877 29248 29280 29705 30012 31720 31980 32513 34112 35646 36560 37474 37515 38064 39040 39360 40016 42640 43872 47528 47580 50020 50752 51168 54840 55754 56211 58496 58560 59410 60024 63440 63960 65026 68224 71292 73120 74948 75030 76128 78720 80032 83631 85280 87744 89115 93685 95056 95160 97539 100040 101504 102336 109680 111508 112422 117120 118820 120048 126880 127920 130052 139385 142584 146240 149896 150060 152256 160064 162565 167262 170560 175488 178230 187370 190112 190320 195078 200080 204672 219360 223016 224844 237640 240096 243581 253760 255840 260104 278770 281055 285168 292480 299792 300120 304512 320128 325130 334524 341120 356460 362401 374740 380224 380640 390156 400160 418155 438720 446032 449688 475280 480192 487162 487695 507520 511680 520208 557540 562110 570336 599584 600240 650260 669048 712920 724802 730743 749480 760448 761280 780312 800320 836310 877440 892064 899376 950560 960384 974324 975390 1023360 1040416 1087203 1115080 1124220 1140672 1142957 1199168 1200480 1217905 1300520 1338096 1425840 1449604 1461486 1498960 1522560 1560624 1600640 1672620 1784128 1798752 1812005 1901120 1948648 1950780 2080832 2174406 2230160 2248440 2281344 2285914 2398336 2400960 2435810 2601040 2676192 2851680 2899208 2922972 2997920 3121248 3345240 3428871 3568256 3597504 3624010 3653715 3802240 3897296 3901560 4161664 4348812 4460320 4496880 4571828 4801920 4871620 5202080 5352384 5436015 5703360 5714785 5798416 5845944 5995840 6242496 6690480 6857742 7195008 7248020 7307430 7794592 7803120 8697624 8920640 8993760 9143656 9743240 10404160 10704768 10872030 11406720 11429570 11596832 11691888 11991680 12484992 13380960 13715484 14496040 14614860 14858441 15589184 15606240 17144355 17395248 17841280 17987520 18287312 19486480 20808320 21744060 22859140 23193664 23383776 26761920 27430968 28992080 29229720 29716882 31178368 31212480 34288710 34790496 35975040 36574624 38972960 43488120 44575323 45718280 46387328 46767552 53523840 54861936 57984160 58459440 59433764 62424960 68577420 69580992 73149248 74292205 77945920 86976240 89150646 91436560 93535104 109723872 115968320 116918880 118867528 137154840 139161984 146298496 148584410 155891840 173952480 178301292 182873120 219447744 222876615 231936640 233837760 237735056 274309680 297168820 347904960 356602584 365746240 438895488 445753230 467675520 475470112 548619360 594337640 695809920 713205168 731492480 891506460 950940224 1097238720 1188675280 1426410336 1783012920 1901880448 2194477440 2377350560 2852820672 3566025840 4754701120 5705641344 7132051680 9509402240 14264103360 28528206720
• Sum of all divisors σ(n): 102184709760
• Sum of proper divisors (its aliquot sum) s(n): 73656503040
• 28528206720 is an abundant number, because the sum of its proper divisors (73656503040) is greater than itself. Its abundance is 45128296320

Bases of 28528206720

• Binary: 11010100100011010011110001110000000₂
• Hexadecimal: 0x6A469E380
• Base-36: D3SYH6O

Squares and roots of 28528206720

• 28528206720 squared (28528206720²) is 813858578659053158400
• 28528206720 cubed (28528206720³) is 23217925772830848902304104448000
• The square root of 28528206720 is 168902.9505958971
• The cube root of 28528206720 is 3055.5647480045

Scales and comparisons

• 28,528,206,720 seconds is equal to 907 years, 5 weeks, 4 days, 13 hours, 52 minutes.
• To count from 1 to 28,528,206,720 would take you about one thousand, eight hundred fourteen 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 28528206720 cubic inches would be around 254.6 feet tall.

Recreational maths with 28528206720

• 28528206720 backwards is 02760282582
• The number of decimal digits it has is: 11
• The sum of 28528206720's digits is 42
• More coming soon!