21949221888

Names of 21949221888

• Cardinal: 21949221888 can be written as Twenty-one billion, nine hundred forty-nine million, two hundred twenty-one thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1949221888 × 10¹⁰

Factors of 21949221888

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 16

Divisors of 21949221888

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 81 88 96 99 108 121 128 132 144 162 176 192 198 216 242 243 256 264 288 297 324 352 363 384 396 432 484 486 512 528 576 594 648 704 726 729 768 792 864 891 968 972 1024 1056 1089 1152 1188 1296 1408 1452 1458 1536 1584 1728 1782 1936 1944 2112 2178 2187 2304 2376 2592 2673 2816 2904 2916 3072 3168 3267 3456 3564 3872 3888 4224 4356 4374 4608 4752 5184 5346 5632 5808 5832 6336 6534 6561 6912 7128 7744 7776 8019 8448 8712 8748 9216 9504 9801 10368 10692 11264 11616 11664 12672 13068 13122 13824 14256 15488 15552 16038 16896 17424 17496 19008 19602 19683 20736 21384 23232 23328 24057 25344 26136 26244 27648 28512 29403 30976 31104 32076 33792 34848 34992 38016 39204 39366 41472 42768 46464 46656 48114 50688 52272 52488 57024 58806 59049 61952 62208 64152 69696 69984 72171 76032 78408 78732 82944 85536 88209 92928 93312 96228 101376 104544 104976 114048 117612 118098 123904 124416 128304 139392 139968 144342 152064 156816 157464 171072 176418 177147 185856 186624 192456 209088 209952 216513 228096 235224 236196 248832 256608 264627 278784 279936 288684 304128 313632 314928 342144 352836 354294 371712 373248 384912 418176 419904 433026 456192 470448 472392 513216 529254 557568 559872 577368 627264 629856 649539 684288 705672 708588 746496 769824 793881 836352 839808 866052 912384 940896 944784 1026432 1058508 1115136 1119744 1154736 1254528 1259712 1299078 1368576 1411344 1417176 1539648 1587762 1672704 1679616 1732104 1881792 1889568 1948617 2052864 2117016 2239488 2309472 2381643 2509056 2519424 2598156 2737152 2822688 2834352 3079296 3175524 3345408 3359232 3464208 3763584 3779136 3897234 4105728 4234032 4618944 4763286 5018112 5038848 5196312 5645376 5668704 6158592 6351048 6718464 6928416 7144929 7527168 7558272 7794468 8211456 8468064 9237888 9526572 10036224 10077696 10392624 11290752 11337408 12317184 12702096 13856832 14289858 15054336 15116544 15588936 16936128 18475776 19053144 20155392 20785248 21434787 22581504 22674816 24634368 25404192 27713664 28579716 30108672 30233088 31177872 33872256 36951552 38106288 41570496 42869574 45163008 45349632 50808384 55427328 57159432 60466176 62355744 67744512 73903104 76212576 83140992 85739148 90326016 90699264 101616768 110854656 114318864 124711488 135489024 152425152 166281984 171478296 181398528 203233536 221709312 228637728 249422976 270978048 304850304 332563968 342956592 406467072 457275456 498845952 609700608 665127936 685913184 812934144 914550912 997691904 1219401216 1371826368 1829101824 1995383808 2438802432 2743652736 3658203648 5487305472 7316407296 10974610944 21949221888
• Sum of all divisors σ(n): 72342535720
• Sum of proper divisors (its aliquot sum) s(n): 50393313832
• 21949221888 is an abundant number, because the sum of its proper divisors (50393313832) is greater than itself. Its abundance is 28444091944

Bases of 21949221888

• Binary: 10100011100010001101000110000000000₂
• Hexadecimal: 0x51C468C00
• Base-36: A300000

Squares and roots of 21949221888

• 21949221888 squared (21949221888²) is 481768341488658284544
• 21949221888 cubed (21949221888³) is 10574440225948316922865696899072
• The square root of 21949221888 is 148152.6978762115
• The cube root of 21949221888 is 2799.8818780101

Scales and comparisons

• 21,949,221,888 seconds is equal to 697 years, 47 weeks, 4 days, 22 hours, 4 minutes, 48 seconds.
• To count from 1 to 21,949,221,888 would take you about one thousand, three hundred ninety-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 21949221888 cubic inches would be around 233.3 feet tall.

Recreational maths with 21949221888

• 21949221888 backwards is 88812294912
• 21949221888 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21949221888's digits is 54
• More coming soon!