18739152768

Names of 18739152768

• Cardinal: 18739152768 can be written as Eighteen billion, seven hundred thirty-nine million, one hundred fifty-two thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8739152768 × 10¹⁰

Factors of 18739152768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3385

Divisors of 18739152768

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 51 56 64 68 84 96 102 112 119 127 128 136 168 192 204 224 238 254 272 336 357 381 384 408 448 476 508 544 672 714 762 816 889 896 952 1016 1088 1344 1428 1524 1632 1778 1904 2032 2159 2176 2667 2688 2856 3048 3229 3264 3556 3808 4064 4318 5334 5712 6096 6458 6477 6528 7112 7616 8128 8636 9687 10668 11424 12192 12916 12954 14224 15113 15232 16256 17272 19374 21336 22603 22848 24384 25832 25908 28448 30226 34544 38748 42672 45206 45339 45696 48768 51664 51816 54893 56896 60452 67809 69088 77496 85344 90412 90678 103328 103632 109786 113792 120904 135618 138176 154992 164679 170688 180824 181356 206656 207264 219572 241808 271236 276352 309984 329358 341376 361648 362712 384251 410083 413312 414528 439144 483616 542472 619968 658716 723296 725424 768502 820166 829056 878288 967232 1084944 1152753 1230249 1239936 1317432 1446592 1450848 1537004 1640332 1756576 1934464 2169888 2305506 2460498 2634864 2870581 2893184 2901696 3074008 3280664 3513152 4339776 4611012 4920996 5269728 5741162 5803392 6148016 6561328 6971411 7026304 8611743 8679552 9222024 9841992 10539456 11482324 12296032 13122656 13942822 17223486 18444048 19683984 20914233 21078912 22964648 24592064 26245312 27885644 34446972 36888096 39367968 41828466 45929296 48799877 49184128 52490624 55771288 68893944 73776192 78735936 83656932 91858592 97599754 111542576 137787888 146399631 147552384 157471872 167313864 183717184 195199508 223085152 275575776 292799262 334627728 367434368 390399016 446170304 551151552 585598524 669255456 780798032 892340608 1102303104 1171197048 1338510912 1561596064 2342394096 2677021824 3123192128 4684788192 6246384256 9369576384 18739152768
• Sum of all divisors σ(n): 60726067200
• Sum of proper divisors (its aliquot sum) s(n): 41986914432
• 18739152768 is an abundant number, because the sum of its proper divisors (41986914432) is greater than itself. Its abundance is 23247761664

Bases of 18739152768

• Binary: 10001011100111100001100011110000000₂
• Hexadecimal: 0x45CF0C780
• Base-36: 8LWT2TC

Squares and roots of 18739152768

• 18739152768 squared (18739152768²) is 351155846462442061824
• 18739152768 cubed (18739152768³) is 6580363052236054170868836728832
• The square root of 18739152768 is 136891.0251550481
• The cube root of 18739152768 is 2656.1340172855

Scales and comparisons

• 18,739,152,768 seconds is equal to 595 years, 44 weeks, 8 hours, 12 minutes, 48 seconds.
• To count from 1 to 18,739,152,768 would take you about one thousand, one 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 18739152768 cubic inches would be around 221.3 feet tall.

Recreational maths with 18739152768

• 18739152768 backwards is 86725193781
• The number of decimal digits it has is: 11
• The sum of 18739152768's digits is 57
• More coming soon!