21248802816

Names of 21248802816

• Cardinal: 21248802816 can be written as Twenty-one billion, two hundred forty-eight million, eight hundred two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.1248802816 × 10¹⁰

Factors of 21248802816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 192

Divisors of 21248802816

• Number of divisors d(n): 272
• Complete list of divisors:
  1 2 3 4 6 8 12 16 23 24 32 37 46 48 64 69 74 92 96 111 127 128 138 148 184 192 222 254 256 276 296 368 381 384 444 508 512 552 592 736 762 768 851 888 1016 1024 1104 1184 1472 1524 1536 1702 1776 2032 2048 2208 2368 2553 2921 2944 3048 3072 3404 3552 4064 4096 4416 4699 4736 5106 5842 5888 6096 6144 6808 7104 8128 8192 8763 8832 9398 9472 10212 11684 11776 12192 12288 13616 14097 14208 16256 16384 17526 17664 18796 18944 20424 23368 23552 24384 24576 27232 28194 28416 32512 32768 35052 35328 37592 37888 40848 46736 47104 48768 49152 54464 56388 56832 65024 65536 70104 70656 75184 75776 81696 93472 94208 97536 98304 108077 108928 112776 113664 130048 140208 141312 150368 151552 163392 186944 188416 195072 196608 216154 217856 225552 227328 260096 280416 282624 300736 303104 324231 326784 373888 376832 390144 432308 435712 451104 454656 520192 560832 565248 601472 606208 648462 653568 747776 753664 780288 864616 871424 902208 909312 1040384 1121664 1130496 1202944 1212416 1296924 1307136 1495552 1507328 1560576 1729232 1742848 1804416 1818624 2080768 2243328 2260992 2405888 2424832 2593848 2614272 2991104 3121152 3458464 3485696 3608832 3637248 4161536 4486656 4521984 4811776 5187696 5228544 5982208 6242304 6916928 6971392 7217664 7274496 8323072 8973312 9623552 10375392 10457088 11964416 12484608 13833856 13942784 14435328 17946624 19247104 20750784 20914176 23928832 24969216 27667712 27885568 28870656 35893248 38494208 41501568 41828352 47857664 55335424 55771136 57741312 71786496 76988416 83003136 83656704 95715328 110670848 115482624 143572992 153976832 166006272 167313408 191430656 221341696 230965248 287145984 307953664 332012544 442683392 461930496 574291968 664025088 885366784 923860992 1328050176 1770733568 2656100352 3541467136 5312200704 7082934272 10624401408 21248802816
• Sum of all divisors σ(n): 61202817024
• Sum of proper divisors (its aliquot sum) s(n): 39954014208
• 21248802816 is an abundant number, because the sum of its proper divisors (39954014208) is greater than itself. Its abundance is 18705211392

Bases of 21248802816

• Binary: 10011110010100001110000000000000000₂
• Hexadecimal: 0x4F2870000
• Base-36: 9REZL6O

Squares and roots of 21248802816

• 21248802816 squared (21248802816²) is 451511621113249529856
• 21248802816 cubed (21248802816³) is 9594081406167941664914848874496
• The square root of 21248802816 is 145769.6910060525
• The cube root of 21248802816 is 2769.7771117907

Scales and comparisons

• 21,248,802,816 seconds is equal to 675 years, 33 weeks, 4 days, 5 hours, 13 minutes, 36 seconds.
• To count from 1 to 21,248,802,816 would take you about one thousand, three hundred fifty-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 21248802816 cubic inches would be around 230.8 feet tall.

Recreational maths with 21248802816

• 21248802816 backwards is 61820884212
• The number of decimal digits it has is: 11
• The sum of 21248802816's digits is 42
• More coming soon!