181442655420

Names of 181442655420

• Cardinal: 181442655420 can be written as One hundred eighty-one billion, four hundred forty-two million, six hundred fifty-five thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.8144265542 × 10¹¹

Factors of 181442655420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1390

Divisors of 181442655420

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 39 41 52 60 65 78 82 123 130 156 164 169 195 205 246 260 338 390 410 492 507 533 607 615 676 719 780 820 845 1014 1066 1214 1230 1438 1599 1690 1821 2028 2132 2157 2428 2460 2535 2665 2876 3035 3198 3380 3595 3642 4314 5070 5330 6070 6396 6929 7190 7284 7891 7995 8628 9105 9347 10140 10660 10785 12140 13858 14380 15782 15990 18210 18694 20787 21570 23673 24887 27716 28041 29479 31564 31980 34645 36420 37388 39455 41574 43140 46735 47346 49774 56082 58958 69290 74661 78910 83148 88437 93470 94692 99548 102583 103935 112164 117916 118365 121511 124435 138580 140205 147395 149322 157820 176874 186940 205166 207870 236730 243022 248870 280410 294790 298644 307749 323531 353748 364533 373305 383227 410332 415740 436433 442185 473460 486044 497740 512915 560820 589580 607555 615498 647062 729066 746610 766454 872866 884370 970593 1025830 1149681 1215110 1230996 1294124 1309299 1458132 1493220 1532908 1538745 1617655 1745732 1768740 1822665 1916135 1941186 2051660 2182165 2299362 2430220 2618598 3077490 3235310 3645330 3832270 3882372 4205903 4364330 4598724 4852965 4981951 5237196 5673629 5748405 6154980 6470620 6546495 7290660 7664540 8411806 8728660 9705930 9963902 11347258 11496810 12617709 13092990 14945853 16823612 17020887 17893753 19411860 19927804 21029515 22694516 22993620 24909755 25235418 26185980 28368145 29891706 34041774 35787506 42059030 49819510 50470836 53681259 56736290 59783412 63088545 68083548 71575012 73757177 74729265 84118060 85104435 89468765 99639020 107362518 113472580 126177090 147514354 149458530 170208870 178937530 214725036 221271531 232618789 252354180 268406295 295028708 298917060 340417740 357875060 368785885 442543062 465237578 536812590 697856367 737571770 885086124 930475156 1073625180 1106357655 1163093945 1395712734 1475143540 2212715310 2326187890 2791425468 3024044257 3489281835 4425430620 4652375780 6048088514 6978563670 9072132771 12096177028 13957127340 15120221285 18144265542 30240442570 36288531084 45360663855 60480885140 90721327710 181442655420
• Sum of all divisors σ(n): 565256724480
• Sum of proper divisors (its aliquot sum) s(n): 383814069060
• 181442655420 is an abundant number, because the sum of its proper divisors (383814069060) is greater than itself. Its abundance is 202371413640

Bases of 181442655420

• Binary: 10101000111110110100110011010010111100₂
• Hexadecimal: 0x2A3ED334BC
• Base-36: 2BCQ9SXO

Squares and roots of 181442655420

• 181442655420 squared (181442655420²) is 32921437205860855376400
• 181442655420 cubed (181442655420³) is 5973352986874178786526599600088000
• The square root of 181442655420 is 425960.8613710887
• The cube root of 181442655420 is 5661.2603940999

Scales and comparisons

• 181,442,655,420 seconds is equal to 5,769 years, 16 weeks, 2 days, 17 hours, 37 minutes.
• To count from 1 to 181,442,655,420 would take you about eleven thousand, five hundred thirty-eight 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 181442655420 cubic inches would be around 471.8 feet tall.

Recreational maths with 181442655420

• 181442655420 backwards is 024556244181
• The number of decimal digits it has is: 12
• The sum of 181442655420's digits is 42
• More coming soon!