18321228432

Names of 18321228432

• Cardinal: 18321228432 can be written as Eighteen billion, three hundred twenty-one million, two hundred twenty-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.8321228432 × 10¹⁰

Factors of 18321228432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2438

Divisors of 18321228432

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 37 39 48 52 54 72 74 78 104 108 111 117 144 148 156 208 216 222 234 296 312 333 351 432 444 468 481 592 624 666 702 888 936 962 999 1332 1369 1404 1443 1776 1872 1924 1998 2383 2664 2738 2808 2886 3848 3996 4107 4329 4766 5328 5476 5616 5772 7149 7696 7992 8214 8658 9532 10952 11544 12321 12987 14298 15984 16428 17316 17797 19064 21447 21904 23088 24642 25974 28596 30979 32856 34632 35594 36963 38128 42894 49284 51948 53391 57192 61958 64341 65712 69264 71188 73926 85788 88171 92937 98568 103896 106782 114384 123916 128682 142376 147852 160173 171576 176342 185874 197136 207792 213564 247832 257364 264513 278811 284752 295704 320346 343152 352684 371748 427128 480519 495664 514728 529026 557622 591408 640692 705368 743496 793539 836433 854256 961038 1029456 1058052 1115244 1146223 1281384 1410736 1486992 1587078 1672866 1922076 2116104 2230488 2292446 2380617 2562768 3174156 3262327 3345732 3438669 3844152 4232208 4460976 4584892 4761234 6348312 6524654 6691464 6877338 7688304 9169784 9522468 9786981 10316007 12696624 13049308 13382928 13754676 18339568 19044936 19573962 20632014 26098616 27509352 29360943 30948021 38089872 39147924 41264028 42410251 52197232 55018704 58721886 61896042 78295848 82528056 84820502 88082829 117443772 123792084 127230753 156591696 165056112 169641004 176165658 234887544 247584168 254461506 339282008 352331316 381692259 469775088 495168336 508923012 678564016 704662632 763384518 1017846024 1145076777 1409325264 1526769036 2035692048 2290153554 3053538072 4580307108 6107076144 9160614216 18321228432
• Sum of all divisors σ(n): 58230439680
• Sum of proper divisors (its aliquot sum) s(n): 39909211248
• 18321228432 is an abundant number, because the sum of its proper divisors (39909211248) is greater than itself. Its abundance is 21587982816

Bases of 18321228432

• Binary: 10001000100000001111100001010010000₂
• Hexadecimal: 0x44407C290
• Base-36: 8EZZIC0

Squares and roots of 18321228432

• 18321228432 squared (18321228432²) is 335667411257525178624
• 18321228432 cubed (18321228432³) is 6149839318827207176561907437568
• The square root of 18321228432 is 135355.9323856919
• The cube root of 18321228432 is 2636.2395013433

Scales and comparisons

• 18,321,228,432 seconds is equal to 582 years, 29 weeks, 6 hours, 7 minutes, 12 seconds.
• To count from 1 to 18,321,228,432 would take you about one thousand, one hundred sixty-five 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 18321228432 cubic inches would be around 219.7 feet tall.

Recreational maths with 18321228432

• 18321228432 backwards is 23482212381
• 18321228432 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18321228432's digits is 36
• More coming soon!