145297872720

Names of 145297872720

• Cardinal: 145297872720 can be written as One hundred forty-five billion, two hundred ninety-seven million, eight hundred seventy-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.4529787272 × 10¹¹

Factors of 145297872720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 490

Divisors of 145297872720

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 20 21 22 24 26 28 30 33 35 36 39 40 42 44 45 48 52 55 56 60 63 65 66 70 72 77 78 80 84 88 90 91 99 104 105 110 112 117 120 126 130 132 140 143 144 154 156 165 168 176 180 182 195 198 208 210 220 231 234 240 252 260 264 273 280 286 308 312 315 330 336 360 364 385 390 396 420 429 440 449 455 462 468 495 504 520 528 546 560 572 585 616 624 630 660 693 715 720 728 770 780 792 819 840 858 880 898 910 924 936 990 1001 1008 1040 1092 1144 1155 1170 1232 1260 1287 1320 1347 1365 1386 1430 1456 1540 1560 1584 1638 1680 1716 1796 1820 1848 1872 1980 2002 2145 2184 2245 2288 2310 2340 2520 2574 2640 2694 2730 2772 2860 3003 3080 3120 3143 3276 3432 3465 3592 3640 3696 3960 4004 4041 4095 4290 4368 4490 4620 4680 4939 5005 5040 5148 5388 5460 5544 5720 5837 6006 6160 6286 6435 6552 6735 6864 6930 7184 7280 7920 8008 8082 8190 8580 8980 9009 9240 9360 9429 9878 10010 10296 10776 10920 11088 11440 11674 12012 12572 12870 13104 13470 13860 14817 15015 15715 16016 16164 16380 17160 17511 17960 18018 18480 18858 19756 20020 20205 20592 21552 21840 23348 24024 24695 25144 25740 26940 27720 28287 29185 29634 30030 31430 32328 32760 34320 34573 35022 35920 36036 37716 39512 40040 40410 40859 44451 45045 46696 47145 48048 49390 50288 51480 52533 53880 55440 56574 58370 59268 60060 62860 64207 64656 65520 69146 70044 72072 74085 75432 79024 80080 80820 81718 87555 88902 90090 93392 94290 98780 102960 103719 105066 107760 113148 116740 118536 120120 122577 125720 128414 138292 140088 141435 144144 148170 150864 161640 163436 172865 175110 177804 180180 188580 192621 197560 201601 204295 207438 210132 222255 226296 233480 237072 240240 245154 251440 256828 262665 276584 280176 282870 296340 311157 321035 323280 326872 345730 350220 355608 360360 367731 377160 385242 395120 403202 408590 414876 420264 444510 449449 452592 466960 490308 513656 518595 525330 553168 565740 577863 592680 604803 612885 622314 642070 653744 691460 700440 711216 720720 735462 754320 770484 806404 817180 829752 840528 889020 898898 963105 980616 1008005 1027312 1037190 1050660 1131480 1155726 1185360 1209606 1225770 1244628 1284140 1348347 1382920 1400880 1411207 1470924 1540968 1555785 1612808 1634360 1659504 1778040 1797796 1814409 1838655 1926210 1961232 2016010 2074380 2101320 2217611 2247245 2262960 2311452 2419212 2451540 2489256 2568280 2620813 2696694 2765840 2822414 2889315 2941848 3024015 3081936 3111570 3225616 3268720 3556080 3595592 3628818 3677310 3852420 4032020 4045041 4148760 4202640 4233621 4435222 4494490 4622904 4838424 4903080 4978512 5136560 5241626 5393388 5644828 5778630 5883696 6048030 6223140 6652833 6741735 7056035 7191184 7257636 7354620 7704840 7862439 8064040 8090082 8297520 8467242 8870444 8988980 9072045 9245808 9676848 9806160 10483252 10786776 11088055 11289656 11557260 12096060 12446280 12700863 13104065 13305666 13483470 14112070 14515272 14709240 15409680 15523277 15724878 16128080 16180164 16934484 17740888 17977960 18144090 18345691 19958499 20225205 20966504 21168105 21573552 22176110 22579312 23114520 23587317 24192120 24892560 25401726 26208130 26611332 26966940 28224140 28828943 29030544 29418480 31046554 31449756 32360328 33264165 33868968 35481776 35955920 36288180 36691382 39312195 39916998 40450410 41933008 42336210 44352220 46229040 46569831 47174634 48384240 50803452 52416260 53222664 53933880 55037073 56448280 57657886 62093108 62899512 63504315 64720656 66528330 67737936 72576360 73382764 77616385 78624390 79833996 80900820 84672420 86486829 88704440 91728455 93139662 94349268 99792495 101606904 104832520 106445328 107867760 110074146 112896560 115315772 117936585 124186216 125799024 127008630 133056660 139709493 144144715 145152720 146765528 155232770 157248780 159667992 161801640 165111219 169344840 172973658 177408880 183456910 186279324 188698536 199584990 201802601 203213808 209665040 220148292 230631544 232849155 235873170 248372432 254017260 259460487 266113320 275185365 279418986 288289430 293531056 310465540 314497560 319335984 323603280 330222438 338689680 345947316 366913820 372558648 377397072 399169980 403605202 432434145 440296584 461263088 465698310 471746340 508034520 518920974 532226640 550370730 558837972 576578860 605407803 620931080 628995120 660444876 691894632 698547465 733827640 745117296 798339960 807210404 825556095 864868290 880593168 931396620 943492680 1009013005 1016069040 1037841948 1100741460 1117675944 1153157720 1210815606 1241862160 1297302435 1320889752 1383789264 1397094930 1467655280 1596679920 1614420808 1651112190 1729736580 1816223409 1862793240 1886985360 2018026010 2075683896 2201482920 2235351888 2306315440 2421631212 2594604870 2641779504 2794189860 3027039015 3228841616 3302224380 3459473160 3632446818 3725586480 4036052020 4151367792 4402965840 4843262424 5189209740 5588379720 6054078030 6604448760 6918946320 7264893636 8072104040 9081117045 9686524848 10378419480 11176759440 12108156060 13208897520 14529787272 16144208080 18162234090 20756838960 24216312120 29059574544 36324468180 48432624240 72648936360 145297872720
• Sum of all divisors σ(n): 656623723392
• Sum of proper divisors (its aliquot sum) s(n): 511325850672
• 145297872720 is an abundant number, because the sum of its proper divisors (511325850672) is greater than itself. Its abundance is 366027977952

Bases of 145297872720

• Binary: 10000111010100011011011001011101010000₂
• Hexadecimal: 0x21D46D9750
• Base-36: 1UQYLO40

Squares and roots of 145297872720

• 145297872720 squared (145297872720²) is 21111471816957320198400
• 145297872720 cubed (145297872720³) is 3067451944992131847859408347648000
• The square root of 145297872720 is 381179.5806703187
• The cube root of 145297872720 is 5257.1828843131

Scales and comparisons

• 145,297,872,720 seconds is equal to 4,620 years, 1 week, 1 day, 8 hours, 12 minutes.
• To count from 1 to 145,297,872,720 would take you about nine thousand, two hundred forty 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 145297872720 cubic inches would be around 438.1 feet tall.

Recreational maths with 145297872720

• 145297872720 backwards is 027278792541
• The number of decimal digits it has is: 12
• The sum of 145297872720's digits is 54
• More coming soon!