1985990160

Names of 1985990160

• Cardinal: 1985990160 can be written as One billion, nine hundred eighty-five million, nine hundred ninety thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.98599016 × 10⁹

Factors of 1985990160

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 107495

Divisors of 1985990160

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 33 35 40 42 44 48 55 56 60 66 70 77 80 84 88 105 110 112 120 132 140 154 165 168 176 210 220 231 240 264 280 308 330 336 385 420 440 462 528 560 616 660 770 840 880 924 1155 1232 1320 1540 1680 1848 2310 2640 3080 3696 4620 6160 9240 18480 107467 214934 322401 429868 537335 644802 752269 859736 1074670 1182137 1289604 1504538 1612005 1719472 2149340 2256807 2364274 2579208 3009076 3224010 3546411 3761345 4298680 4513614 4728548 5158416 5910685 6018152 6448020 7092822 7522690 8274959 8597360 9027228 9457096 11284035 11821370 12036304 12896040 14185644 15045380 16549918 17732055 18054456 18914192 22568070 23642740 24824877 25792080 28371288 30090760 33099836 35464110 36108912 41374795 45136140 47285480 49649754 56742576 60181520 66199672 70928220 82749590 90272280 94570960 99299508 124124385 132399344 141856440 165499180 180544560 198599016 248248770 283712880 330998360 397198032 496497540 661996720 992995080 1985990160
• Sum of all divisors σ(n): 7675794432
• Sum of proper divisors (its aliquot sum) s(n): 5689804272
• 1985990160 is an abundant number, because the sum of its proper divisors (5689804272) is greater than itself. Its abundance is 3703814112

Bases of 1985990160

• Binary: 1110110010111111100111000010000₂
• Hexadecimal: 0x765FCE10
• Base-36: WUENTC

Squares and roots of 1985990160

• 1985990160 squared (1985990160²) is 3944156915616825600
• 1985990160 cubed (1985990160³) is 7833056823910965972036096000
• The square root of 1985990160 is 44564.4495085489
• The cube root of 1985990160 is 1256.9722717673

Scales and comparisons

• 1,985,990,160 seconds is equal to 63 years, 7 weeks, 4 days, 23 hours, 56 minutes.
• To count from 1 to 1,985,990,160 would take you about one hundred twenty-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 1985990160 cubic inches would be around 104.7 feet tall.

Recreational maths with 1985990160

• 1985990160 backwards is 0610995891
• 1985990160 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1985990160's digits is 48
• More coming soon!