72164678040

Names of 72164678040

• Cardinal: 72164678040 can be written as Seventy-two billion, one hundred sixty-four million, six hundred seventy-eight thousand and forty.

Scientific notation

• Scientific notation: 7.216467804 × 10¹⁰

Factors of 72164678040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 71120

Divisors of 72164678040

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 28 30 31 35 36 39 40 42 45 52 56 60 62 63 65 70 72 78 84 90 91 93 104 105 117 120 124 126 130 140 155 156 168 180 182 186 195 210 217 234 248 252 260 273 279 280 310 312 315 360 364 372 390 403 420 434 455 465 468 504 520 546 558 585 620 630 651 728 744 780 806 819 840 868 910 930 936 1085 1092 1116 1170 1209 1240 1260 1302 1365 1395 1560 1612 1638 1736 1820 1860 1953 2015 2170 2184 2232 2340 2418 2520 2604 2730 2790 2821 3224 3255 3276 3627 3640 3720 3906 4030 4095 4340 4680 4836 5208 5460 5580 5642 6045 6510 6552 7254 7812 8060 8190 8463 8680 9672 9765 10920 11160 11284 12090 13020 14105 14508 15624 16120 16380 16926 18135 19530 22568 24180 25389 26040 28210 29016 32760 33852 36270 39060 42315 48360 50778 56420 67704 71059 72540 78120 84630 101556 112840 126945 142118 145080 169260 203112 213177 253890 284236 338520 355295 426354 497413 507780 568472 639531 710590 852708 923767 994826 1015560 1065885 1279062 1421180 1492239 1705416 1847534 1989652 2131770 2202829 2487065 2558124 2771301 2842360 2984478 3197655 3695068 3979304 4263540 4405658 4476717 4618835 4974130 5116248 5542602 5968956 6395310 6466369 6608487 7390136 7461195 8313903 8527080 8811316 8953434 9237670 9948260 11014145 11085204 11937912 12790620 12932738 13216974 13856505 14922390 15419803 16627806 17622632 17906868 18475340 19399107 19825461 19896520 22028290 22170408 22383585 25581240 25865476 26433948 27713010 28636777 29844780 30839606 32331845 33042435 33255612 35813736 36950680 38798214 39650922 41569515 44056580 44767170 46259409 51730952 52867896 55426020 57273554 58197321 59689560 61679212 64663690 66084870 66511224 77099015 77596428 79301844 83139030 85910331 88113160 89534340 92518818 96995535 99127305 110852040 114547108 116394642 123358424 129327380 132169740 138778227 143183885 154198030 155192856 158603688 166278060 171820662 179068680 185037636 193991070 198254610 200457439 229094216 231297045 232789284 257730993 258654760 264339480 277556454 286367770 290986605 308396060 332556120 343641324 370075272 387982140 396509220 400914878 429551655 462594090 465578568 515461986 555112908 572735540 581973210 601372317 616792120 687282648 693891135 775964280 793018440 801829756 859103310 925188180 1002287195 1030923972 1110225816 1145471080 1163946420 1202744634 1288654965 1387782270 1603659512 1718206620 1804116951 1850376360 2004574390 2061847944 2327892840 2405489268 2577309930 2775564540 3006861585 3436413240 3608233902 4009148780 4810978536 5154619860 5551129080 6013723170 7216467804 8018297560 9020584755 10309239720 12027446340 14432935608 18041169510 24054892680 36082339020 72164678040
• Sum of all divisors σ(n): 297974476800
• Sum of proper divisors (its aliquot sum) s(n): 225809798760
• 72164678040 is an abundant number, because the sum of its proper divisors (225809798760) is greater than itself. Its abundance is 153645120720

Bases of 72164678040

• Binary: 1000011001101010110011001100110011000₂
• Hexadecimal: 0x10CD599998
• Base-36: X5GZHY0

Squares and roots of 72164678040

• 72164678040 squared (72164678040²) is 5207740756616858241600
• 72164678040 cubed (72164678040³) is 375814935017041574641384534464000
• The square root of 72164678040 is 268634.8414483869
• The cube root of 72164678040 is 4163.3369359489

Scales and comparisons

• 72,164,678,040 seconds is equal to 2,294 years, 31 weeks, 6 days, 7 hours, 54 minutes.
• To count from 1 to 72,164,678,040 would take you about four thousand, five hundred eighty-nine 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 72164678040 cubic inches would be around 346.9 feet tall.

Recreational maths with 72164678040

• 72164678040 backwards is 04087646127
• 72164678040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72164678040's digits is 45
• More coming soon!