197218140

Names of 197218140

• Cardinal: 197218140 can be written as One hundred ninety-seven million, two hundred eighteen thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.9721814 × 10⁸

Factors of 197218140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 54

Divisors of 197218140

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 37 42 49 60 70 74 84 98 105 111 140 147 148 185 196 210 222 245 259 294 343 370 420 444 490 518 555 588 686 735 740 777 980 1029 1036 1110 1295 1369 1372 1470 1554 1715 1813 2058 2220 2401 2590 2738 2940 3108 3430 3626 3885 4107 4116 4802 5145 5180 5439 5476 6845 6860 7203 7252 7770 8214 9065 9583 9604 10290 10878 12005 12691 13690 14406 15540 16428 18130 19166 20535 20580 21756 24010 25382 27195 27380 28749 28812 36015 36260 38073 38332 41070 47915 48020 50764 54390 57498 63455 67081 72030 76146 82140 88837 95830 108780 114996 126910 134162 143745 144060 152292 177674 190365 191660 201243 253820 266511 268324 287490 335405 355348 380730 402486 444185 469567 533022 574980 670810 761460 804972 888370 939134 1006215 1066044 1332555 1341620 1408701 1776740 1878268 2012430 2347835 2665110 2817402 3286969 4024860 4695670 5330220 5634804 6573938 7043505 9391340 9860907 13147876 14087010 16434845 19721814 28174020 32869690 39443628 49304535 65739380 98609070 197218140
• Sum of all divisors σ(n): 662089176
• Sum of proper divisors (its aliquot sum) s(n): 464871036
• 197218140 is an abundant number, because the sum of its proper divisors (464871036) is greater than itself. Its abundance is 267652896

Bases of 197218140

• Binary: 1011110000010100111101011100₂
• Hexadecimal: 0xBC14F5C
• Base-36: 39F2HO

Squares and roots of 197218140

• 197218140 squared (197218140²) is 38894994745059600
• 197218140 cubed (197218140³) is 7670798518930428501144000
• The square root of 197218140 is 14043.4376133481
• The cube root of 197218140 is 582.0794756903

Scales and comparisons

• 197,218,140 seconds is equal to 6 years, 14 weeks, 14 hours, 49 minutes.
• To count from 1 to 197,218,140 would take you about nine 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 197218140 cubic inches would be around 48.5 feet tall.

Recreational maths with 197218140

• 197218140 backwards is 041812791
• The number of decimal digits it has is: 9
• The sum of 197218140's digits is 33
• More coming soon!