72830340

Names of 72830340

• Cardinal: 72830340 can be written as Seventy-two million, eight hundred thirty thousand, three hundred forty.

Scientific notation

• Scientific notation: 7.283034 × 10⁷

Factors of 72830340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 149

Divisors of 72830340

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 61 66 67 81 90 99 108 110 122 132 134 135 162 165 180 183 198 201 220 244 268 270 297 305 324 330 335 366 396 402 405 495 540 549 594 603 610 660 670 671 732 737 804 810 891 915 990 1005 1098 1188 1206 1220 1340 1342 1474 1485 1620 1647 1782 1809 1830 1980 2010 2013 2196 2211 2412 2684 2745 2948 2970 3015 3294 3355 3564 3618 3660 3685 4020 4026 4087 4422 4455 4941 5427 5490 5940 6030 6039 6588 6633 6710 7236 7370 8052 8174 8235 8844 8910 9045 9882 10065 10854 10980 11055 12060 12078 12261 13266 13420 14740 16348 16470 17820 18090 18117 19764 19899 20130 20435 21708 22110 24156 24522 24705 26532 27135 30195 32940 33165 36180 36234 36783 39798 40260 40870 44220 44957 49044 49410 54270 54351 59697 60390 61305 66330 72468 73566 79596 81740 89914 90585 98820 99495 108540 108702 110349 119394 120780 122610 132660 134871 147132 179828 181170 183915 198990 217404 220698 224785 238788 245220 269742 271755 298485 331047 362340 367830 397980 404613 441396 449570 539484 543510 551745 596970 662094 674355 735660 809226 899140 1087020 1103490 1193940 1213839 1324188 1348710 1618452 1655235 2023065 2206980 2427678 2697420 3310470 3641517 4046130 4855356 6069195 6620940 7283034 8092260 12138390 14566068 18207585 24276780 36415170 72830340
• Sum of all divisors σ(n): 257108544
• Sum of proper divisors (its aliquot sum) s(n): 184278204
• 72830340 is an abundant number, because the sum of its proper divisors (184278204) is greater than itself. Its abundance is 111447864

Bases of 72830340

• Binary: 100010101110100110110000100₂
• Hexadecimal: 0x4574D84
• Base-36: 17D090

Squares and roots of 72830340

• 72830340 squared (72830340²) is 5304258424515600
• 72830340 cubed (72830340³) is 386310944505335483304000
• The square root of 72830340 is 8534.0693692985
• The cube root of 72830340 is 417.6098937409

Scales and comparisons

• 72,830,340 seconds is equal to 2 years, 16 weeks, 2 days, 22 hours, 39 minutes.
• To count from 1 to 72,830,340 would take you about three 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 72830340 cubic inches would be around 34.8 feet tall.

Recreational maths with 72830340

• 72830340 backwards is 04303827
• 72830340 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 72830340's digits is 27
• More coming soon!