18077990400

Names of 18077990400

• Cardinal: 18077990400 can be written as Eighteen billion, seventy-seven million, nine hundred ninety thousand, four hundred.

Scientific notation

• Scientific notation: 1.80779904 × 10¹⁰

Factors of 18077990400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 208

Divisors of 18077990400

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 25 27 30 32 34 36 40 45 48 50 51 54 60 64 68 72 75 80 85 90 96 100 102 108 120 128 135 136 144 150 153 160 170 180 181 192 200 204 216 225 240 255 256 270 272 288 289 300 306 320 340 360 362 384 400 408 425 432 450 459 480 510 512 540 543 544 576 578 600 612 640 675 680 720 724 765 768 800 816 850 864 867 900 905 918 960 1020 1080 1086 1088 1152 1156 1200 1224 1275 1280 1350 1360 1440 1445 1448 1530 1536 1600 1629 1632 1700 1728 1734 1800 1810 1836 1920 2040 2160 2172 2176 2295 2304 2312 2400 2448 2550 2560 2601 2700 2715 2720 2880 2890 2896 3060 3077 3200 3258 3264 3400 3456 3468 3600 3620 3672 3825 3840 4080 4320 4335 4344 4352 4525 4590 4608 4624 4800 4887 4896 5100 5202 5400 5430 5440 5760 5780 5792 6120 6154 6400 6516 6528 6800 6912 6936 7200 7225 7240 7344 7650 7680 7803 8145 8160 8640 8670 8688 8704 9050 9180 9231 9248 9600 9774 9792 10200 10404 10800 10860 10880 11475 11520 11560 11584 12240 12308 12800 13005 13032 13056 13575 13600 13824 13872 14400 14450 14480 14688 15300 15385 15606 16290 16320 17280 17340 17376 18100 18360 18462 18496 19200 19548 19584 20400 20808 21600 21675 21720 21760 22950 23040 23120 23168 24435 24480 24616 26010 26064 26112 27150 27200 27693 27744 28800 28900 28960 29376 30600 30770 31212 32580 32640 34560 34680 34752 36200 36720 36924 36992 38400 39015 39096 39168 40725 40800 41616 43200 43350 43440 43520 45900 46155 46240 46336 48870 48960 49232 52020 52128 52309 54300 54400 55386 55488 57600 57800 57920 58752 61200 61540 62424 65025 65160 65280 69120 69360 69504 72400 73440 73848 73984 76925 78030 78192 78336 81450 81600 83079 83232 86400 86700 86880 91800 92310 92480 92672 97740 97920 98464 104040 104256 104618 108600 108800 110772 110976 115200 115600 115840 117504 122175 122400 123080 124848 130050 130320 130560 138465 138720 139008 144800 146880 147696 147968 153850 156060 156384 156927 162900 163200 166158 166464 172800 173400 173760 183600 184620 184960 195075 195480 195840 196928 208080 208512 209236 217200 217600 221544 221952 230775 231200 231680 235008 244350 244800 246160 249696 260100 260640 261545 276930 277440 278016 289600 293760 295392 307700 312120 312768 313854 325800 326400 332316 332928 345600 346800 347520 367200 369240 369920 390150 390960 391680 393856 415395 416160 417024 418472 434400 443088 443904 461550 462400 463360 470781 488700 489600 492320 499392 520200 521280 523090 553860 554880 579200 587520 590784 615400 624240 625536 627708 651600 652800 664632 665856 692325 693600 695040 734400 738480 739840 780300 781920 784635 787712 830790 832320 834048 836944 868800 886176 923100 924800 941562 977400 979200 984640 998784 1040400 1042560 1046180 1107720 1109760 1158400 1175040 1181568 1230800 1248480 1251072 1255416 1303200 1307725 1329264 1331712 1384650 1387200 1390080 1412343 1468800 1476960 1560600 1563840 1569270 1575424 1661580 1664640 1673888 1737600 1772352 1846200 1849600 1883124 1954800 1958400 1969280 1997568 2076975 2080800 2085120 2092360 2215440 2219520 2316800 2353905 2363136 2461600 2496960 2502144 2510832 2606400 2615450 2658528 2769300 2774400 2824686 2937600 2953920 3121200 3127680 3138540 3323160 3329280 3347776 3475200 3544704 3692400 3699200 3766248 3909600 3923175 3938560 3995136 4153950 4161600 4170240 4184720 4430880 4707810 4726272 4923200 4993920 5021664 5212800 5230900 5317056 5538600 5548800 5649372 5875200 5907840 6242400 6255360 6277080 6646320 6658560 6695552 6950400 7061715 7089408 7384800 7532496 7819200 7846350 7877120 8307900 8323200 8369440 8861760 9415620 9846400 9987840 10043328 10425600 10461800 10634112 11077200 11097600 11298744 11769525 11815680 12484800 12510720 12554160 13292640 13391104 14123430 14178816 14769600 15064992 15638400 15692700 16615800 16646400 16738880 17723520 18831240 19692800 19975680 20086656 20851200 20923600 21268224 22154400 22597488 23539050 23631360 24969600 25108320 26585280 26782208 28246860 29539200 30129984 31276800 31385400 33231600 33292800 33477760 35308575 35447040 37662480 39385600 40173312 41847200 42536448 44308800 45194976 47078100 49939200 50216640 53170560 56493720 59078400 60259968 62553600 62770800 66463200 66955520 70617150 70894080 75324960 80346624 83694400 88617600 90389952 94156200 99878400 100433280 106341120 112987440 118156800 120519936 125541600 132926400 133911040 141234300 150649920 167388800 177235200 180779904 188312400 200866560 212682240 225974880 241039872 251083200 265852800 282468600 301299840 334777600 354470400 361559808 376624800 401733120 451949760 502166400 531705600 564937200 602599680 669555200 723119616 753249600 903899520 1004332800 1063411200 1129874400 1205199360 1506499200 1807799040 2008665600 2259748800 3012998400 3615598080 4519497600 6025996800 9038995200 18077990400
• Sum of all divisors σ(n): 70877286480
• Sum of proper divisors (its aliquot sum) s(n): 52799296080
• 18077990400 is an abundant number, because the sum of its proper divisors (52799296080) is greater than itself. Its abundance is 34721305680

Bases of 18077990400

• Binary: 10000110101100010000011111000000000₂
• Hexadecimal: 0x435883E00
• Base-36: 8AZ62O0

Squares and roots of 18077990400

• 18077990400 squared (18077990400²) is 326813736902492160000
• 18077990400 cubed (18077990400³) is 5908135598311379004555264000000
• The square root of 18077990400 is 134454.4175547981
• The cube root of 18077990400 is 2624.5209901467

Scales and comparisons

• 18,077,990,400 seconds is equal to 574 years, 42 weeks, 6 days.
• To count from 1 to 18,077,990,400 would take you about one thousand, one hundred forty-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 18077990400 cubic inches would be around 218.7 feet tall.

Recreational maths with 18077990400

• 18077990400 backwards is 00409977081
• 18077990400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18077990400's digits is 45
• More coming soon!