128498400
128,498,400 is an even composite number composed of four prime numbers multiplied together.
128498400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 128498400:
25 × 35 × 52 × 661
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 661)See below for interesting mathematical facts about the number 128498400 from the Numbermatics database.
Names of 128498400
- Cardinal: 128498400 can be written as One hundred twenty-eight million, four hundred ninety-eight thousand, four hundred.
Scientific notation
- Scientific notation: 1.284984 × 108
Factors of 128498400
Divisors of 128498400
- Number of divisors d(n): 216
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 72 75 80 81 90 96 100 108 120 135 144 150 160 162 180 200 216 225 240 243 270 288 300 324 360 400 405 432 450 480 486 540 600 648 661 675 720 800 810 864 900 972 1080 1200 1215 1296 1322 1350 1440 1620 1800 1944 1983 2025 2160 2400 2430 2592 2644 2700 3240 3305 3600 3888 3966 4050 4320 4860 5288 5400 5949 6075 6480 6610 7200 7776 7932 8100 9720 9915 10576 10800 11898 12150 12960 13220 15864 16200 16525 17847 19440 19830 21152 21600 23796 24300 26440 29745 31728 32400 33050 35694 38880 39660 47592 48600 49575 52880 53541 59490 63456 64800 66100 71388 79320 89235 95184 97200 99150 105760 107082 118980 132200 142776 148725 158640 160623 178470 190368 194400 198300 214164 237960 264400 267705 285552 297450 317280 321246 356940 396600 428328 446175 475920 528800 535410 571104 594900 642492 713880 793200 803115 856656 892350 951840 1070820 1189800 1284984 1338525 1427760 1586400 1606230 1713312 1784700 2141640 2379600 2569968 2677050 2855520 3212460 3569400 4015575 4283280 4759200 5139936 5354100 6424920 7138800 8031150 8566560 10708200 12849840 14277600 16062300 21416400 25699680 32124600 42832800 64249200 128498400
- Sum of all divisors σ(n): 470610504
- Sum of proper divisors (its aliquot sum) s(n): 342112104
- 128498400 is an abundant number, because the sum of its proper divisors (342112104) is greater than itself. Its abundance is 213613704
Bases of 128498400
- Binary: 1111010100010111010111000002
- Hexadecimal: 0x7A8BAE0
- Base-36: 24I600
Squares and roots of 128498400
- 128498400 squared (1284984002) is 16511838802560000
- 128498400 cubed (1284984003) is 2121744867186875904000000
-
The
square root of 128498400 is 11335.7134755603 -
The
cube root of 128498400 is 504.6216818223
Scales and comparisons
How big is 128498400?- 128,498,400 seconds is equal to 4 years, 4 weeks, 3 days, 6 hours.
-
To count from 1 to 128,498,400 would take you about six 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 128498400 cubic inches would be around 42.1 feet tall.
Recreational maths with 128498400
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