18144507900

Names of 18144507900

• Cardinal: 18144507900 can be written as Eighteen billion, one hundred forty-four million, five hundred seven thousand, nine hundred.

Scientific notation

• Scientific notation: 1.81445079 × 10¹⁰

Factors of 18144507900

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 662

Divisors of 18144507900

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 19 20 25 30 38 43 50 57 60 75 76 86 95 100 114 129 150 172 181 190 215 228 258 285 300 362 380 409 430 475 516 543 570 645 724 817 818 860 905 950 1075 1086 1140 1227 1290 1425 1634 1636 1810 1900 2045 2150 2172 2451 2454 2580 2715 2850 3225 3268 3439 3620 4085 4090 4300 4525 4902 4908 5430 5700 6135 6450 6878 7771 7783 8170 8180 9050 9804 10225 10317 10860 12255 12270 12900 13575 13756 15542 15566 16340 17195 17587 18100 20425 20450 20634 23313 23349 24510 24540 27150 30675 31084 31132 34390 35174 38855 38915 40850 40900 41268 46626 46698 49020 51585 52761 54300 61275 61350 68780 70348 74029 77710 77830 81700 85975 87935 93252 93396 103170 105522 116565 116745 122550 122700 147877 148058 155420 155660 171950 175870 194275 194575 206340 211044 222087 233130 233490 245100 257925 263805 295754 296116 334153 343900 351740 370145 388550 389150 439675 443631 444174 466260 466980 515850 527610 582825 583725 591508 668306 739385 740290 777100 778300 879350 887262 888348 1002459 1031700 1055220 1110435 1165650 1167450 1319025 1336612 1406551 1478770 1480580 1670765 1758700 1774524 1850725 2004918 2218155 2220870 2331300 2334900 2638050 2813102 2957540 3183247 3341530 3696925 3701450 4009836 4219653 4436310 4441740 5012295 5276100 5552175 5626204 6366494 6683060 7032755 7393850 7402900 8353825 8439306 8872620 9549741 10024590 11090775 11104350 12732988 14065510 14787700 15916235 16707650 16878612 19099482 20049180 21098265 22181550 22208700 25061475 28131020 31832470 33415300 35163775 38198964 42196530 44363100 47748705 50122950 60481693 63664940 70327550 79581175 84393060 95497410 100245900 105491325 120963386 140655100 159162350 181445079 190994820 210982650 238743525 241926772 302408465 318324700 362890158 421965300 477487050 604816930 725780316 907225395 954974100 1209633860 1512042325 1814450790 3024084650 3628901580 4536126975 6048169300 9072253950 18144507900
• Sum of all divisors σ(n): 56997740800
• Sum of proper divisors (its aliquot sum) s(n): 38853232900
• 18144507900 is an abundant number, because the sum of its proper divisors (38853232900) is greater than itself. Its abundance is 20708725000

Bases of 18144507900

• Binary: 10000111001011111110011011111111100₂
• Hexadecimal: 0x4397F37FC
• Base-36: 8C2RRWC

Squares and roots of 18144507900

• 18144507900 squared (18144507900²) is 329223166933162410000
• 18144507900 cubed (18144507900³) is 5973592353281784120228039000000
• The square root of 18144507900 is 134701.5512160123
• The cube root of 18144507900 is 2627.7360026391

Scales and comparisons

• 18,144,507,900 seconds is equal to 576 years, 48 weeks, 5 days, 21 hours, 5 minutes.
• To count from 1 to 18,144,507,900 would take you about one thousand, one hundred fifty-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 18144507900 cubic inches would be around 219 feet tall.

Recreational maths with 18144507900

• 18144507900 backwards is 00970544181
• The number of decimal digits it has is: 11
• The sum of 18144507900's digits is 39
• More coming soon!