18494709120

Names of 18494709120

• Cardinal: 18494709120 can be written as Eighteen billion, four hundred ninety-four million, seven hundred nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.849470912 × 10¹⁰

Factors of 18494709120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 103618

Divisors of 18494709120

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 32 36 40 45 48 60 62 64 72 80 90 93 96 120 124 128 144 155 160 180 186 192 240 248 279 288 310 320 360 372 384 465 480 496 558 576 620 640 720 744 930 960 992 1116 1152 1240 1395 1440 1488 1860 1920 1984 2232 2480 2790 2880 2976 3720 3968 4464 4960 5580 5760 5952 7440 8928 9920 11160 11904 14880 17856 19840 22320 29760 35712 44640 59520 89280 103577 178560 207154 310731 414308 517885 621462 828616 932193 1035770 1242924 1553655 1657232 1864386 2071540 2485848 3107310 3210887 3314464 3728772 4143080 4660965 4971696 6214620 6421774 6628928 7457544 8286160 9321930 9632661 9943392 12429240 12843548 13257856 14915088 16054435 16572320 18643860 19265322 19886784 24858480 25687096 28897983 29830176 32108870 33144640 37287720 38530644 39773568 48163305 49716960 51374192 57795966 59660352 64217740 66289280 74575440 77061288 96326610 99433920 102748384 115591932 119320704 128435480 144489915 149150880 154122576 192653220 198867840 205496768 231183864 256870960 288979830 298301760 308245152 385306440 410993536 462367728 513741920 577959660 596603520 616490304 770612880 924735456 1027483840 1155919320 1232980608 1541225760 1849470912 2054967680 2311838640 3082451520 3698941824 4623677280 6164903040 9247354560 18494709120
• Sum of all divisors σ(n): 65925325440
• Sum of proper divisors (its aliquot sum) s(n): 47430616320
• 18494709120 is an abundant number, because the sum of its proper divisors (47430616320) is greater than itself. Its abundance is 28935907200

Bases of 18494709120

• Binary: 10001001110010111101101110110000000₂
• Hexadecimal: 0x44E5EDD80
• Base-36: 8HV9SW0

Squares and roots of 18494709120

• 18494709120 squared (18494709120²) is 342054265433411174400
• 18494709120 cubed (18494709120³) is 6326194142446210399885590528000
• The square root of 18494709120 is 135995.2540348375
• The cube root of 18494709120 is 2644.5340817379

Scales and comparisons

• 18,494,709,120 seconds is equal to 588 years, 3 weeks, 6 days, 3 hours, 12 minutes.
• To count from 1 to 18,494,709,120 would take you about one thousand, one hundred seventy-six 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 18494709120 cubic inches would be around 220.4 feet tall.

Recreational maths with 18494709120

• 18494709120 backwards is 02190749481
• 18494709120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18494709120's digits is 45
• More coming soon!