18007390980

Names of 18007390980

• Cardinal: 18007390980 can be written as Eighteen billion, seven million, three hundred ninety thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.800739098 × 10¹⁰

Factors of 18007390980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5539

Divisors of 18007390980

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 30 31 36 38 45 57 60 62 76 90 93 95 114 124 155 171 180 186 190 228 279 285 310 342 372 380 465 558 570 589 620 684 855 930 961 1116 1140 1178 1395 1710 1767 1860 1922 2356 2790 2883 2945 3420 3534 3844 4805 5301 5479 5580 5766 5890 7068 8649 8835 9610 10602 10958 11532 11780 14415 16437 17298 17670 18259 19220 21204 21916 26505 27395 28830 32874 34596 35340 36518 43245 49311 53010 54777 54790 57660 65748 73036 82185 86490 91295 98622 104101 106020 109554 109580 164331 164370 169849 172980 182590 197244 208202 219108 246555 273885 312303 328662 328740 339698 365180 416404 493110 509547 520505 547770 624606 657324 679396 821655 849245 936909 986220 1019094 1041010 1095540 1249212 1528641 1561515 1643310 1698490 1873818 2038188 2082020 2547735 3057282 3123030 3227131 3286620 3396980 3747636 4684545 5095470 5265319 6114564 6246060 6454262 7643205 9369090 9681393 10190940 10530638 12908524 15286410 15795957 16135655 18738180 19362786 21061276 26326595 29044179 30572820 31591914 32271310 38725572 47387871 48406965 52653190 58088358 63183828 64542620 78979785 94775742 96813930 100041061 105306380 116176716 145220895 157959570 189551484 193627860 200082122 236939355 290441790 300123183 315919140 400164244 473878710 500205305 580883580 600246366 900369549 947757420 1000410610 1200492732 1500615915 1800739098 2000821220 3001231830 3601478196 4501847745 6002463660 9003695490 18007390980
• Sum of all divisors σ(n): 59422708800
• Sum of proper divisors (its aliquot sum) s(n): 41415317820
• 18007390980 is an abundant number, because the sum of its proper divisors (41415317820) is greater than itself. Its abundance is 23407926840

Bases of 18007390980

• Binary: 10000110001010100101111101100000100₂
• Hexadecimal: 0x43152FB04
• Base-36: 89T4VT0

Squares and roots of 18007390980

• 18007390980 squared (18007390980²) is 324266129906585360400
• 18007390980 cubed (18007390980³) is 5839186982799353461467009192000
• The square root of 18007390980 is 134191.6203792175
• The cube root of 18007390980 is 2621.1000459993

Scales and comparisons

• 18,007,390,980 seconds is equal to 572 years, 30 weeks, 21 hours, 3 minutes.
• To count from 1 to 18,007,390,980 would take you about one thousand, one hundred forty-five 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 18007390980 cubic inches would be around 218.4 feet tall.

Recreational maths with 18007390980

• 18007390980 backwards is 08909370081
• 18007390980 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18007390980's digits is 45
• More coming soon!