18949765140

Names of 18949765140

• Cardinal: 18949765140 can be written as Eighteen billion, nine hundred forty-nine million, seven hundred sixty-five thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.894976514 × 10¹⁰

Factors of 18949765140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 94001

Divisors of 18949765140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 59 60 76 90 95 114 118 171 177 180 190 228 236 285 295 342 354 380 531 570 590 684 708 855 885 1062 1121 1140 1180 1710 1770 2124 2242 2655 3363 3420 3540 4484 5310 5605 6726 10089 10620 11210 13452 16815 20178 22420 33630 40356 50445 67260 93913 100890 187826 201780 281739 375652 469565 563478 845217 939130 1126956 1408695 1690434 1784347 1878260 2817390 3380868 3568694 4226085 5353041 5540867 5634780 7137388 8452170 8921735 10706082 11081734 16059123 16622601 16904340 17843470 21412164 22163468 26765205 27704335 32118246 33245202 35686940 49867803 53530410 55408670 64236492 66490404 80295615 83113005 99735606 105276473 107060820 110817340 160591230 166226010 199471212 210552946 249339015 315829419 321182460 332452020 421105892 498678030 526382365 631658838 947488257 997356060 1052764730 1263317676 1579147095 1894976514 2105529460 3158294190 3789953028 4737441285 6316588380 9474882570 18949765140
• Sum of all divisors σ(n): 61532452800
• Sum of proper divisors (its aliquot sum) s(n): 42582687660
• 18949765140 is an abundant number, because the sum of its proper divisors (42582687660) is greater than itself. Its abundance is 23632922520

Bases of 18949765140

• Binary: 10001101001011111100111100000010100₂
• Hexadecimal: 0x4697E7814
• Base-36: 8PE78D0

Squares and roots of 18949765140

• 18949765140 squared (18949765140²) is 359093598861159219600
• 18949765140 cubed (18949765140³) is 6804739361696338679565684744000
• The square root of 18949765140 is 137658.1459267849
• The cube root of 18949765140 is 2666.0478751377

Scales and comparisons

• 18,949,765,140 seconds is equal to 602 years, 28 weeks, 1 day, 23 hours, 39 minutes.
• To count from 1 to 18,949,765,140 would take you about one thousand, two hundred 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 18949765140 cubic inches would be around 222.2 feet tall.

Recreational maths with 18949765140

• 18949765140 backwards is 04156794981
• The number of decimal digits it has is: 11
• The sum of 18949765140's digits is 54
• More coming soon!