20988558136

Names of 20988558136

• Cardinal: 20988558136 can be written as Twenty billion, nine hundred eighty-eight million, five hundred fifty-eight thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 2.0988558136 × 10¹⁰

Factors of 20988558136

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 462

Divisors of 20988558136

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 29 37 52 56 58 74 91 97 104 116 148 182 194 203 232 259 277 296 364 377 388 406 481 518 554 679 728 754 776 812 962 1036 1073 1108 1261 1358 1508 1624 1924 1939 2072 2146 2216 2522 2639 2716 2813 3016 3367 3589 3601 3848 3878 4292 5044 5278 5432 5626 6734 7178 7202 7511 7756 8033 8584 8827 10088 10249 10556 11252 13468 13949 14356 14404 15022 15512 16066 17654 19691 20498 21112 22504 25123 25207 26869 26936 27898 28712 28808 30044 32132 35308 36569 39382 40996 46657 50246 50414 53738 55796 56231 60088 64264 70616 71743 73138 78764 81992 93314 97643 100492 100828 104081 104429 107476 111592 112462 133237 143486 146276 157528 186628 188083 195286 200984 201656 208162 208858 214952 224924 255983 266474 286972 292552 297221 326599 349297 373256 376166 390572 416324 417716 449848 511966 532948 573944 594442 653198 698594 728567 731003 752332 779201 781144 832648 835432 932659 994153 1023932 1065896 1188884 1306396 1353053 1397188 1457134 1462006 1504664 1558402 1865318 1988306 2047864 2080547 2377768 2445079 2612792 2706106 2794376 2914268 2924012 3116804 3730636 3863873 3976612 4161094 4890158 5412212 5454407 5828536 5848024 6233608 6959071 7461272 7727746 7953224 8322188 9471371 9780316 10129613 10824424 10908814 12923989 13918142 15455492 16644376 18942742 19560632 20259226 21817628 25847978 27047111 27836284 28830437 30910984 37885484 40518452 43635256 51695956 54094222 55672568 57660874 70907291 75770968 81036904 90467923 103391912 108188444 115321748 141814582 180935846 201813059 216376888 230643496 283629164 361871692 374795681 403626118 567258328 723743384 749591362 807252236 1499182724 1614504472 2623569767 2998365448 5247139534 10494279068 20988558136
• Sum of all divisors σ(n): 52177708800
• Sum of proper divisors (its aliquot sum) s(n): 31189150664
• 20988558136 is an abundant number, because the sum of its proper divisors (31189150664) is greater than itself. Its abundance is 10200592528

Bases of 20988558136

• Binary: 10011100011000000111111101100111000₂
• Hexadecimal: 0x4E303FB38
• Base-36: 9N41N3S

Squares and roots of 20988558136

• 20988558136 squared (20988558136²) is 440519572628251794496
• 20988558136 cubed (20988558136³) is 9245870660153937104825620819456
• The square root of 20988558136 is 144874.2839015951
• The cube root of 20988558136 is 2758.4230181257

Scales and comparisons

• 20,988,558,136 seconds is equal to 667 years, 19 weeks, 2 days, 3 hours, 2 minutes, 16 seconds.
• To count from 1 to 20,988,558,136 would take you about one thousand, three hundred thirty-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 20988558136 cubic inches would be around 229.9 feet tall.

Recreational maths with 20988558136

• 20988558136 backwards is 63185588902
• The number of decimal digits it has is: 11
• The sum of 20988558136's digits is 55
• More coming soon!