1642157550

Names of 1642157550

• Cardinal: 1642157550 can be written as One billion, six hundred forty-two million, one hundred fifty-seven thousand, five hundred fifty.

Scientific notation

• Scientific notation: 1.64215755 × 10⁹

Factors of 1642157550

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1138

Divisors of 1642157550

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 25 27 30 33 45 50 54 55 66 75 81 90 99 110 121 135 150 162 165 198 225 242 243 270 275 297 330 363 405 450 486 495 550 594 605 675 726 810 825 891 990 1089 1117 1210 1215 1350 1485 1650 1782 1815 2025 2178 2234 2430 2475 2673 2970 3025 3267 3351 3630 4050 4455 4950 5346 5445 5585 6050 6075 6534 6702 7425 8910 9075 9801 10053 10890 11170 12150 12287 13365 14850 16335 16755 18150 19602 20106 22275 24574 26730 27225 27925 29403 30159 32670 33510 36861 44550 49005 50265 54450 55850 58806 60318 61435 66825 73722 81675 83775 90477 98010 100530 110583 122870 133650 135157 147015 150795 163350 167550 180954 184305 221166 245025 251325 270314 271431 294030 301590 307175 331749 368610 405471 452385 490050 502650 542862 552915 614350 663498 675785 735075 753975 810942 904770 921525 995247 1105830 1216413 1351570 1357155 1470150 1507950 1658745 1843050 1990494 2027355 2261925 2432826 2714310 2764575 2985741 3317490 3378925 3649239 4054710 4523850 4976235 5529150 5971482 6082065 6757850 6785775 7298478 8293725 9952470 10136775 10947717 12164130 13571550 14928705 16587450 18246195 20273550 21895434 24881175 29857410 30410325 32843151 36492390 49762350 54738585 60820650 65686302 74643525 91230975 109477170 149287050 164215755 182461950 273692925 328431510 547385850 821078775 1642157550
• Sum of all divisors σ(n): 5033589288
• Sum of proper divisors (its aliquot sum) s(n): 3391431738
• 1642157550 is an abundant number, because the sum of its proper divisors (3391431738) is greater than itself. Its abundance is 1749274188

Bases of 1642157550

• Binary: 1100001111000010101010111101110₂
• Hexadecimal: 0x61E155EE
• Base-36: R5P4VI

Squares and roots of 1642157550

• 1642157550 squared (1642157550²) is 2696681419022002500
• 1642157550 cubed (1642157550³) is 4428375752191695021493875000
• The square root of 1642157550 is 40523.5431570341
• The cube root of 1642157550 is 1179.7906240595

Scales and comparisons

• 1,642,157,550 seconds is equal to 52 years, 11 weeks, 1 day, 10 hours, 52 minutes, 30 seconds.
• To count from 1 to 1,642,157,550 would take you about one 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 1642157550 cubic inches would be around 98.3 feet tall.

Recreational maths with 1642157550

• 1642157550 backwards is 0557512461
• The number of decimal digits it has is: 10
• The sum of 1642157550's digits is 36
• More coming soon!