21272956928

Names of 21272956928

• Cardinal: 21272956928 can be written as Twenty-one billion, two hundred seventy-two million, nine hundred fifty-six thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1272956928 × 10¹⁰

Factors of 21272956928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 234

Divisors of 21272956928

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 4 8 16 19 32 38 41 59 64 76 82 113 118 128 152 164 226 236 256 304 328 452 472 512 608 656 779 904 944 1024 1121 1216 1312 1558 1808 1888 2048 2147 2242 2419 2432 2624 3116 3616 3776 4096 4294 4484 4633 4838 4864 5248 6232 6667 7232 7552 8588 8968 9266 9676 9728 10496 12464 13334 14464 15104 17176 17936 18532 19352 19456 20992 24928 26668 28928 30208 34352 35872 37064 38704 38912 41984 45961 49856 53336 57856 60416 68704 71744 74128 77408 77824 83968 88027 91922 99712 106672 115712 120832 126673 137408 143488 148256 154816 167936 176054 183844 199424 213344 231424 241664 253346 273347 274816 286976 296512 309632 352108 367688 398848 426688 462848 506692 546694 549632 573952 593024 619264 704216 735376 797696 853376 1013384 1093388 1099264 1147904 1186048 1238528 1408432 1470752 1595392 1706752 2026768 2186776 2198528 2295808 2372096 2477056 2816864 2941504 3190784 3413504 4053536 4373552 4397056 4591616 4744192 4954112 5193593 5633728 5883008 6827008 8107072 8747104 8794112 9488384 9908224 10387186 11267456 11766016 13654016 16214144 17494208 18976768 20774372 22534912 23532032 27308032 32428288 34988416 41548744 45069824 47064064 64856576 69976832 83097488 90139648 94128128 129713152 139953664 166194976 180279296 188256256 259426304 279907328 332389952 360558592 518852608 559814656 664779904 1119629312 1329559808 2659119616 5318239232 10636478464 21272956928
• Sum of all divisors σ(n): 47062209600
• Sum of proper divisors (its aliquot sum) s(n): 25789252672
• 21272956928 is an abundant number, because the sum of its proper divisors (25789252672) is greater than itself. Its abundance is 4516295744

Bases of 21272956928

• Binary: 10011110011111101111001000000000000₂
• Hexadecimal: 0x4F3F79000
• Base-36: 9RTDAM8

Squares and roots of 21272956928

• 21272956928 squared (21272956928²) is 452538696460543197184
• 21272956928 cubed (21272956928³) is 9626836198058401485178642890752
• The square root of 21272956928 is 145852.5177293831
• The cube root of 21272956928 is 2770.8262089021

Scales and comparisons

• 21,272,956,928 seconds is equal to 676 years, 21 weeks, 3 days, 18 hours, 42 minutes, 8 seconds.
• To count from 1 to 21,272,956,928 would take you about one thousand, three hundred fifty-two 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 21272956928 cubic inches would be around 230.9 feet tall.

Recreational maths with 21272956928

• 21272956928 backwards is 82965927212
• The number of decimal digits it has is: 11
• The sum of 21272956928's digits is 53
• More coming soon!