15597720138

Names of 15597720138

• Cardinal: 15597720138 can be written as Fifteen billion, five hundred ninety-seven million, seven hundred twenty thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.5597720138 × 10¹⁰

Factors of 15597720138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 163

Divisors of 15597720138

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 7 11 13 14 21 22 26 33 39 42 66 77 78 91 121 127 143 154 169 182 231 242 254 273 286 338 363 381 429 462 507 546 726 762 847 858 889 1001 1014 1183 1331 1397 1573 1651 1694 1778 1859 2002 2197 2366 2541 2662 2667 2794 3003 3146 3302 3549 3718 3993 4191 4394 4719 4953 5082 5334 5577 6006 6591 7098 7986 8382 9317 9438 9779 9906 11011 11154 11557 13013 13182 15367 15379 17303 18161 18634 19558 20449 21463 22022 23114 24167 26026 27951 29337 30734 30758 33033 34606 34671 36322 39039 40898 42926 46101 46137 48334 51909 54483 55902 58674 61347 64389 66066 69342 72501 78078 92202 92274 103818 107569 108966 121121 122694 127127 128778 143143 145002 150241 169037 169169 199771 215138 224939 236093 242242 254254 265837 279019 286286 300482 322707 338074 338338 363363 381381 399542 429429 449878 450723 472186 507111 507507 531674 558038 599313 645414 674817 708279 726726 762762 797511 837057 858858 901446 1014222 1015014 1183259 1198626 1349634 1398397 1416558 1574573 1595022 1652651 1674114 1860859 1953133 2197481 2366518 2597023 2796794 2924207 3069209 3149146 3305302 3549777 3721718 3906266 4195191 4394962 4723719 4957953 5194046 5582577 5848414 5859399 6138418 6592443 7099554 7791069 8390382 8772621 9207627 9447438 9915906 11165154 11718798 13184886 15382367 15582138 17545242 18179161 18415254 20469449 21484463 28567253 30764734 33761299 36358322 40938898 42968926 46147101 54537483 57134506 61408347 64453389 67522598 85701759 92294202 101283897 109074966 122816694 128906778 171403518 199970771 202567794 236329093 371374289 399941542 472658186 599912313 708987279 742748578 1114122867 1199824626 1417974558 2228245734 2599620023 5199240046 7798860069 15597720138
• Sum of all divisors σ(n): 42815324160
• Sum of proper divisors (its aliquot sum) s(n): 27217604022
• 15597720138 is an abundant number, because the sum of its proper divisors (27217604022) is greater than itself. Its abundance is 11619883884

Bases of 15597720138

• Binary: 1110100001101100100101001001001010₂
• Hexadecimal: 0x3A1B2524A
• Base-36: 75YH9VU

Squares and roots of 15597720138

• 15597720138 squared (15597720138²) is 243288873503370739044
• 15597720138 cubed (15597720138³) is 3794751761594860387266541668072
• The square root of 15597720138 is 124890.8328821615
• The cube root of 15597720138 is 2498.5442264805

Scales and comparisons

• 15,597,720,138 seconds is equal to 495 years, 49 weeks, 6 days, 4 hours, 2 minutes, 18 seconds.
• To count from 1 to 15,597,720,138 would take you about nine hundred ninety-one 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 15597720138 cubic inches would be around 208.2 feet tall.

Recreational maths with 15597720138

• 15597720138 backwards is 83102779551
• The number of decimal digits it has is: 11
• The sum of 15597720138's digits is 48
• More coming soon!