19938225216

Names of 19938225216

• Cardinal: 19938225216 can be written as Nineteen billion, nine hundred thirty-eight million, two hundred twenty-five thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.9938225216 × 10¹⁰

Factors of 19938225216

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2207

Divisors of 19938225216

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 41 42 48 52 56 64 78 82 84 91 96 104 112 123 156 164 168 169 182 192 208 224 246 273 287 312 328 336 338 364 416 448 492 507 533 546 574 624 656 672 676 728 832 861 984 1014 1066 1092 1148 1183 1248 1312 1344 1352 1456 1599 1722 1968 2028 2132 2141 2184 2296 2366 2496 2624 2704 2912 3198 3444 3549 3731 3936 4056 4264 4282 4368 4592 4732 5408 5824 6396 6423 6888 6929 7098 7462 7872 8112 8528 8564 8736 9184 9464 10816 11193 12792 12846 13776 13858 14196 14924 14987 16224 17056 17128 17472 18368 18928 20787 22386 25584 25692 27552 27716 27833 28392 29848 29974 32448 34112 34256 37856 41574 44772 44961 48503 51168 51384 55104 55432 55666 56784 59696 59948 68512 75712 83148 83499 87781 89544 89922 97006 102336 102768 110864 111332 113568 119392 119896 137024 145509 166296 166998 175562 179088 179844 194012 194831 205536 221728 222664 227136 238784 239792 263343 291018 332592 333996 351124 358176 359688 361829 388024 389662 411072 443456 445328 479584 526686 582036 584493 614467 665184 667992 702248 716352 719376 723658 776048 779324 890656 959168 1053372 1085487 1141153 1164072 1168986 1228934 1330368 1335984 1404496 1438752 1447316 1552096 1558648 1781312 1843401 2106744 2170974 2282306 2328144 2337972 2457868 2532803 2671968 2808992 2877504 2894632 3104192 3117296 3423459 3686802 4213488 4341948 4564612 4656288 4675944 4915736 5065606 5343936 5617984 5789264 6234592 6846918 7373604 7598409 7988071 8426976 8683896 9129224 9312576 9351888 9831472 10131212 11578528 12469184 13693836 14747208 14834989 15196818 15976142 16853952 17367792 18258448 18703776 19662944 20262424 23157056 23964213 27387672 29494416 29669978 30393636 31952284 34735584 36516896 37407552 39325888 40524848 44504967 47928426 54775344 58988832 59339956 60787272 63904568 69471168 73033792 81049696 89009934 95856852 103844923 109550688 117977664 118679912 121574544 127809136 162099392 178019868 191713704 207689846 219101376 237359824 243149088 255618272 311534769 356039736 383427408 415379692 474719648 486298176 511236544 623069538 712079472 766854816 830759384 949439296 1246139076 1424158944 1533709632 1661518768 2492278152 2848317888 3323037536 4984556304 6646075072 9969112608 19938225216
• Sum of all divisors σ(n): 66907306368
• Sum of proper divisors (its aliquot sum) s(n): 46969081152
• 19938225216 is an abundant number, because the sum of its proper divisors (46969081152) is greater than itself. Its abundance is 27030855936

Bases of 19938225216

• Binary: 10010100100011010010010110001000000₂
• Hexadecimal: 0x4A4692C40
• Base-36: 95QPD1C

Squares and roots of 19938225216

• 19938225216 squared (19938225216²) is 397532824763938246656
• 19938225216 cubed (19938225216³) is 7926098990896062796943486877696
• The square root of 19938225216 is 141202.7804825387
• The cube root of 19938225216 is 2711.6200249053

Scales and comparisons

• 19,938,225,216 seconds is equal to 633 years, 50 weeks, 4 days, 11 hours, 53 minutes, 36 seconds.
• To count from 1 to 19,938,225,216 would take you about one thousand, two hundred sixty-seven 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 19938225216 cubic inches would be around 226 feet tall.

Recreational maths with 19938225216

• 19938225216 backwards is 61252283991
• 19938225216 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19938225216's digits is 48
• More coming soon!