7149784140

Names of 7149784140

• Cardinal: 7149784140 can be written as Seven billion, one hundred forty-nine million, seven hundred eighty-four thousand, one hundred forty.

Scientific notation

• Scientific notation: 7.14978414 × 10⁹

Factors of 7149784140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 136

Divisors of 7149784140

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 23 27 30 36 45 46 54 60 69 81 90 92 103 108 115 135 138 162 180 206 207 230 243 270 276 309 324 345 405 412 414 460 486 515 529 540 618 621 690 729 810 828 927 972 1030 1035 1058 1215 1236 1242 1380 1458 1545 1587 1620 1854 1863 2060 2070 2116 2187 2369 2430 2484 2645 2781 2916 3090 3105 3174 3645 3708 3726 4140 4374 4635 4738 4761 4860 5290 5562 5589 6180 6210 6348 6561 7107 7290 7452 7935 8343 8748 9270 9315 9476 9522 10580 10935 11124 11178 11845 12420 13122 13905 14214 14283 14580 15870 16686 16767 18540 18630 19044 21321 21870 22356 23690 23805 25029 26244 27810 27945 28428 28566 31740 32805 33372 33534 35535 37260 41715 42642 42849 43740 47380 47610 50058 50301 54487 55620 55890 57132 63963 65610 67068 71070 71415 75087 83430 83835 85284 85698 95220 100116 100602 106605 108974 111780 125145 127926 128547 131220 142140 142830 150174 150903 163461 166860 167670 171396 191889 201204 213210 214245 217948 225261 250290 251505 255852 257094 272435 285660 300348 301806 319815 326922 335340 375435 383778 385641 426420 428490 450522 490383 500580 503010 514188 544870 575667 603612 639630 642735 653844 675783 750870 754515 767556 771282 817305 856980 901044 959445 980766 1006020 1089740 1126305 1151334 1156923 1279260 1285470 1351566 1471149 1501740 1509030 1542564 1634610 1727001 1918890 1928205 1961532 2252610 2302668 2313846 2451915 2570940 2703132 2878335 2942298 3018060 3269220 3378915 3454002 3470769 3837780 3856410 4413447 4505220 4627692 4903830 5181003 5756670 5784615 5884596 6757830 6908004 6941538 7355745 7712820 8635005 8826894 9807660 10362006 11513340 11569230 13240341 13515660 13883076 14711490 15543009 17270010 17353845 17653788 20724012 22067235 23138460 25905015 26480682 29422980 31086018 34540020 34707690 39721023 44134470 51810030 52961364 62172036 66201705 69415380 77715045 79442046 88268940 103620060 119163069 132403410 155430090 158884092 198605115 238326138 264806820 310860180 357489207 397210230 476652276 595815345 714978414 794420460 1191630690 1429956828 1787446035 2383261380 3574892070 7149784140
• Sum of all divisors σ(n): 23770974864
• Sum of proper divisors (its aliquot sum) s(n): 16621190724
• 7149784140 is an abundant number, because the sum of its proper divisors (16621190724) is greater than itself. Its abundance is 9471406584

Bases of 7149784140

• Binary: 110101010001010010000110001001100₂
• Hexadecimal: 0x1AA290C4C
• Base-36: 3A8SOR0

Squares and roots of 7149784140

• 7149784140 squared (7149784140²) is 51119413248595539600
• 7149784140 cubed (7149784140³) is 365492770090914266306821944000
• The square root of 7149784140 is 84556.3962098669
• The cube root of 7149784140 is 1926.4791366241

Scales and comparisons

• 7,149,784,140 seconds is equal to 227 years, 17 weeks, 5 days, 3 hours, 9 minutes.
• To count from 1 to 7,149,784,140 would take you about four hundred fifty-four 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 7149784140 cubic inches would be around 160.5 feet tall.

Recreational maths with 7149784140

• 7149784140 backwards is 0414879417
• 7149784140 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 7149784140's digits is 45
• More coming soon!