30355920

Names of 30355920

• Cardinal: 30355920 can be written as Thirty million, three hundred fifty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.035592 × 10⁷

Factors of 30355920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 353

Divisors of 30355920

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 19 20 21 24 28 30 35 36 38 40 42 45 48 56 57 60 63 70 72 76 80 84 90 95 105 112 114 120 126 133 140 144 152 168 171 180 190 210 228 240 252 266 280 285 304 315 317 336 342 360 380 399 420 456 504 532 560 570 630 634 665 684 720 760 798 840 855 912 951 1008 1064 1140 1197 1260 1268 1330 1368 1520 1585 1596 1680 1710 1902 1995 2128 2219 2280 2394 2520 2536 2660 2736 2853 3170 3192 3420 3804 3990 4438 4560 4755 4788 5040 5072 5320 5706 5985 6023 6340 6384 6657 6840 7608 7980 8876 9510 9576 10640 11095 11412 11970 12046 12680 13314 13680 14265 15216 15960 17752 18069 19020 19152 19971 22190 22824 23940 24092 25360 26628 28530 30115 31920 33285 35504 36138 38040 39942 42161 44380 45648 47880 48184 53256 54207 57060 60230 66570 72276 76080 79884 84322 88760 90345 95760 96368 99855 106512 108414 114120 120460 126483 133140 144552 159768 168644 177520 180690 199710 210805 216828 228240 240920 252966 266280 271035 289104 319536 337288 361380 379449 399420 421610 433656 481840 505932 532560 542070 632415 674576 722760 758898 798840 843220 867312 1011864 1084140 1264830 1445520 1517796 1597680 1686440 1897245 2023728 2168280 2529660 3035592 3372880 3794490 4336560 5059320 6071184 7588980 10118640 15177960 30355920
• Sum of all divisors σ(n): 123027840
• Sum of proper divisors (its aliquot sum) s(n): 92671920
• 30355920 is an abundant number, because the sum of its proper divisors (92671920) is greater than itself. Its abundance is 62316000

Bases of 30355920

• Binary: 1110011110011000111010000₂
• Hexadecimal: 0x1CF31D0
• Base-36: I2MS0

Squares and roots of 30355920

• 30355920 squared (30355920²) is 921481879046400
• 30355920 cubed (30355920³) is 27972430201782194688000
• The square root of 30355920 is 5509.6206765983
• The cube root of 30355920 is 311.9472297339

Scales and comparisons

• 30,355,920 seconds is equal to 50 weeks, 1 day, 8 hours, 12 minutes.
• To count from 1 to 30,355,920 would take you about twenty-three weeks!

  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 30355920 cubic inches would be around 26 feet tall.

Recreational maths with 30355920

• 30355920 backwards is 02955303
• The number of decimal digits it has is: 8
• The sum of 30355920's digits is 27
• More coming soon!