18941489000

Names of 18941489000

• Cardinal: 18941489000 can be written as Eighteen billion, nine hundred forty-one million, four hundred eighty-nine thousand.

Scientific notation

• Scientific notation: 1.8941489 × 10¹⁰

Factors of 18941489000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 37

Divisors of 18941489000

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 23 25 28 35 40 46 49 50 56 70 92 98 100 115 125 140 161 175 184 196 200 230 245 250 280 322 343 350 392 460 490 500 575 644 686 700 805 875 920 980 1000 1127 1150 1225 1288 1372 1400 1610 1715 1750 1960 2254 2300 2401 2450 2744 2875 3220 3430 3500 4025 4508 4600 4802 4900 5635 5750 6125 6440 6860 7000 7889 8050 8575 9016 9604 9800 11270 11500 12005 12250 13720 15778 16100 16807 17150 19208 20125 22540 23000 24010 24500 28175 31556 32200 33614 34300 39445 40250 42875 45080 48020 49000 55223 56350 60025 63112 67228 68600 78890 80500 84035 85750 96040 110446 112700 117649 120050 134456 140875 157780 161000 168070 171500 197225 220892 225400 235298 240100 276115 281750 300125 315560 336140 343000 386561 394450 420175 441784 470596 480200 552230 563500 588245 600250 672280 773122 788900 823543 840350 941192 986125 1104460 1127000 1176490 1200500 1380575 1546244 1577800 1647086 1680700 1932805 1972250 2100875 2208920 2352980 2401000 2705927 2761150 2941225 3092488 3294172 3361400 3865610 3944500 4117715 4201750 4705960 5411854 5522300 5882450 6588344 6902875 7731220 7889000 8235430 8403500 9664025 10823708 11044600 11764900 13529635 13805750 14706125 15462440 16470860 16807000 18941489 19328050 20588575 21647416 23529800 27059270 27611500 29412250 32941720 37882978 38656100 41177150 48320125 54118540 55223000 58824500 67648175 75765956 77312200 82354300 94707445 96640250 102942875 108237080 117649000 135296350 151531912 164708600 189414890 193280500 205885750 270592700 338240875 378829780 386561000 411771500 473537225 541185400 676481750 757659560 823543000 947074450 1352963500 1894148900 2367686125 2705927000 3788297800 4735372250 9470744500 18941489000
• Sum of all divisors σ(n): 53958528000
• Sum of proper divisors (its aliquot sum) s(n): 35017039000
• 18941489000 is an abundant number, because the sum of its proper divisors (35017039000) is greater than itself. Its abundance is 16075550000

Bases of 18941489000

• Binary: 10001101001000000000010111101101000₂
• Hexadecimal: 0x469002F68
• Base-36: 8P99UG8

Squares and roots of 18941489000

• 18941489000 squared (18941489000²) is 358780005537121000000
• 18941489000 cubed (18941489000³) is 6795827528301316513169000000000
• The square root of 18941489000 is 137628.0821634889
• The cube root of 18941489000 is 2665.6596944533

Scales and comparisons

• 18,941,489,000 seconds is equal to 602 years, 14 weeks, 4 days, 4 hours, 43 minutes, 20 seconds.
• To count from 1 to 18,941,489,000 would take you about one thousand, two hundred four 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 18941489000 cubic inches would be around 222.1 feet tall.

Recreational maths with 18941489000

• 18941489000 backwards is 00098414981
• The number of decimal digits it has is: 11
• The sum of 18941489000's digits is 44
• More coming soon!