181410138

Names of 181410138

• Cardinal: 181410138 can be written as One hundred eighty-one million, four hundred ten thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.81410138 × 10⁸

Factors of 181410138

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 140

Divisors of 181410138

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 19 21 26 27 29 38 39 42 54 57 58 63 67 78 87 91 114 117 126 133 134 171 174 182 189 201 203 234 247 261 266 273 342 351 377 378 399 402 406 469 494 513 522 546 551 603 609 702 741 754 783 798 819 871 938 1026 1102 1131 1197 1206 1218 1273 1407 1482 1566 1638 1653 1729 1742 1809 1827 1943 2223 2262 2394 2457 2546 2613 2639 2814 3306 3393 3458 3591 3618 3654 3819 3857 3886 4221 4446 4914 4959 5187 5226 5278 5481 5829 6097 6669 6786 7163 7182 7638 7714 7839 7917 8442 8911 9918 10179 10374 10962 11457 11571 11658 12194 12663 13338 13601 14326 14877 15561 15678 15834 16549 17487 17822 18291 20358 21489 22914 23142 23517 23751 25259 25326 26733 27202 29754 31122 33098 34371 34713 34974 36582 36917 40803 42978 46683 47034 47502 49647 50141 50518 52461 53466 54873 64467 68742 69426 71253 73834 75777 80199 81606 93366 99294 100282 104139 104922 109746 110751 115843 122409 128934 142506 148941 150423 151554 160398 164619 176813 193401 208278 221502 227331 231686 240597 244818 258419 297882 300846 329238 332253 347529 353626 367227 386802 446823 451269 454662 479921 481194 516838 530439 664506 681993 695058 734454 775257 893646 902538 959842 996759 1042587 1060878 1353807 1363986 1439763 1550514 1591317 1993518 2085174 2325771 2707614 2879526 3127761 3182634 3359447 4319289 4651542 4773951 6255522 6718894 6977313 8638578 9547902 10078341 12957867 13954626 20156682 25915734 30235023 60470046 90705069 181410138
• Sum of all divisors σ(n): 548352000
• Sum of proper divisors (its aliquot sum) s(n): 366941862
• 181410138 is an abundant number, because the sum of its proper divisors (366941862) is greater than itself. Its abundance is 185531724

Bases of 181410138

• Binary: 1010110100000001100101011010₂
• Hexadecimal: 0xAD0195A
• Base-36: 3008YI

Squares and roots of 181410138

• 181410138 squared (181410138²) is 32909638169179044
• 181410138 cubed (181410138³) is 5970142001800837718748072
• The square root of 181410138 is 13468.8580807729
• The cube root of 181410138 is 566.0922177819

Scales and comparisons

• 181,410,138 seconds is equal to 5 years, 39 weeks, 6 days, 15 hours, 42 minutes, 18 seconds.
• To count from 1 to 181,410,138 would take you about 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 181410138 cubic inches would be around 47.2 feet tall.

Recreational maths with 181410138

• 181410138 backwards is 831014181
• 181410138 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 181410138's digits is 27
• More coming soon!