138838947156

Names of 138838947156

• Cardinal: 138838947156 can be written as One hundred thirty-eight billion, eight hundred thirty-eight million, nine hundred forty-seven thousand, one hundred fifty-six.

Scientific notation

• Scientific notation: 1.38838947156 × 10¹¹

Factors of 138838947156

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2659

Divisors of 138838947156

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 81 84 91 108 117 126 156 162 182 189 234 243 252 273 324 351 364 378 468 486 546 567 702 756 819 911 972 1053 1092 1134 1404 1638 1701 1723 1822 2106 2268 2457 2733 3159 3276 3402 3446 3644 4212 4914 5169 5466 6318 6377 6804 6892 7371 8199 9828 10338 10932 11843 12061 12636 12754 14742 15507 16398 19131 20676 22113 22399 23686 24122 24597 25508 29484 31014 32796 35529 36183 38262 44226 44798 46521 47372 48244 49194 57393 62028 67197 71058 72366 73791 76524 82901 88452 89596 93042 98388 106587 108549 114786 134394 139563 142116 144732 147582 156793 165802 172179 186084 201591 213174 217098 221373 229572 248703 268788 279126 295164 313586 319761 325647 331604 344358 403182 418689 426348 434196 442746 470379 497406 516537 558252 604773 627172 639522 651294 688716 746109 806364 837378 885492 940758 959283 976941 994812 1033074 1209546 1279044 1302588 1411137 1492218 1549611 1569653 1674756 1814319 1881516 1918566 1953882 2066148 2238327 2419092 2822274 2877849 2930823 2984436 3099222 3139306 3628638 3837132 3907764 4233411 4476654 4708959 5442957 5644548 5755698 5861646 6198444 6278612 6714981 7257276 8466822 8953308 9417918 10885914 10987571 11511396 11723292 12700233 13429962 14126877 16933644 18835836 20144943 20405489 21771828 21975142 25400466 26859924 28253754 32962713 38100699 40289886 40810978 42380631 43950284 50800932 56507508 61216467 65925426 76201398 80579772 81621956 84761262 98888139 122432934 127141893 131850852 142838423 152402796 169522524 183649401 197776278 244865868 254283786 285676846 296664417 367298802 381425679 395552556 428515269 508567572 550948203 571353692 593328834 734597604 762851358 857030538 889993251 1101896406 1186657668 1285545807 1525702716 1652844609 1714061076 1779986502 2203792812 2571091614 2669979753 3305689218 3559973004 3856637421 4958533827 5142183228 5339959506 6611378436 7713274842 9917067654 10679919012 11569912263 15426549684 19834135308 23139824526 34709736789 46279649052 69419473578 138838947156
• Sum of all divisors σ(n): 448693260288
• Sum of proper divisors (its aliquot sum) s(n): 309854313132
• 138838947156 is an abundant number, because the sum of its proper divisors (309854313132) is greater than itself. Its abundance is 171015365976

Bases of 138838947156

• Binary: 10000001010011011100100011010101010100₂
• Hexadecimal: 0x2053723554
• Base-36: 1RS54H90

Squares and roots of 138838947156

• 138838947156 squared (138838947156²) is 19276253247386560488336
• 138838947156 cubed (138838947156³) is 2676294705979576066744679458372416
• The square root of 138838947156 is 372610.9863597691
• The cube root of 138838947156 is 5178.1000465383

Scales and comparisons

• 138,838,947,156 seconds is equal to 4,414 years, 33 weeks, 5 days, 6 hours, 12 minutes, 36 seconds.
• To count from 1 to 138,838,947,156 would take you about eight thousand, eight hundred twenty-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 138838947156 cubic inches would be around 431.5 feet tall.

Recreational maths with 138838947156

• 138838947156 backwards is 651749838831
• 138838947156 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138838947156's digits is 63
• More coming soon!