28384240920

Names of 28384240920

• Cardinal: 28384240920 can be written as Twenty-eight billion, three hundred eighty-four million, two hundred forty thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.838424092 × 10¹⁰

Factors of 28384240920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2694

Divisors of 28384240920

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 109 120 127 140 168 210 218 254 280 327 381 420 436 508 545 635 654 762 763 840 872 889 1016 1090 1270 1308 1524 1526 1635 1778 1905 2180 2289 2441 2540 2616 2667 3048 3052 3270 3556 3810 3815 4360 4445 4578 4882 5080 5334 6104 6540 7112 7323 7620 7630 8890 9156 9764 10668 11445 12205 13080 13335 13843 14646 15240 15260 17087 17780 18312 19528 21336 22890 24410 26670 27686 29292 30520 34174 35560 36615 41529 45780 48820 51261 53340 55372 58584 68348 69215 73230 83058 85435 91560 96901 97640 102522 106680 110744 136696 138430 146460 166116 170870 193802 205044 207645 256305 266069 276860 290703 292920 310007 332232 341740 387604 410088 415290 484505 512610 532138 553720 581406 620014 683480 775208 798207 830580 930021 969010 1025220 1064276 1162812 1240028 1330345 1453515 1550035 1596414 1661160 1860042 1862483 1938020 2050440 2128552 2170049 2325624 2480056 2660690 2907030 3100070 3192828 3720084 3724966 3876040 3991035 4340098 4650105 5321380 5587449 5814060 6200140 6385656 6510147 7440168 7449932 7982070 8680196 9300210 9312415 10642760 10850245 11174898 11628120 12400280 13020294 14899864 15964140 17360392 18600420 18624830 21700490 22349796 26040588 27937245 31928280 32550735 33790763 37200840 37249660 43400980 44699592 52081176 55874490 65101470 67581526 74499320 86801960 101372289 111748980 130202940 135163052 168953815 202744578 223497960 236535341 260405880 270326104 337907630 405489156 473070682 506861445 675815260 709606023 810978312 946141364 1013722890 1182676705 1351630520 1419212046 1892282728 2027445780 2365353410 2838424092 3548030115 4054891560 4730706820 5676848184 7096060230 9461413640 14192120460 28384240920
• Sum of all divisors σ(n): 99024076800
• Sum of proper divisors (its aliquot sum) s(n): 70639835880
• 28384240920 is an abundant number, because the sum of its proper divisors (70639835880) is greater than itself. Its abundance is 42255594960

Bases of 28384240920

• Binary: 11010011011110101010010010100011000₂
• Hexadecimal: 0x69BD52518
• Base-36: D1F8SGO

Squares and roots of 28384240920

• 28384240920 squared (28384240920²) is 805665132604602446400
• 28384240920 cubed (28384240920³) is 22868193224692782939438986688000
• The square root of 28384240920 is 168476.2325077339
• The cube root of 28384240920 is 3050.4161725397

Scales and comparisons

• 28,384,240,920 seconds is equal to 902 years, 27 weeks, 4 days, 7 hours, 22 minutes.
• To count from 1 to 28,384,240,920 would take you about one thousand, eight hundred five 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 28384240920 cubic inches would be around 254.2 feet tall.

Recreational maths with 28384240920

• 28384240920 backwards is 02904248382
• 28384240920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28384240920's digits is 42
• More coming soon!