21248845344

Names of 21248845344

• Cardinal: 21248845344 can be written as Twenty-one billion, two hundred forty-eight million, eight hundred forty-five thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 2.1248845344 × 10¹⁰

Factors of 21248845344

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 29419

Divisors of 21248845344

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 72 81 93 96 108 124 144 162 186 216 243 248 279 288 324 372 432 486 496 558 648 729 744 837 864 972 992 1116 1296 1458 1488 1674 1944 2232 2511 2592 2916 2976 3348 3888 4464 5022 5832 6696 7533 7776 8928 10044 11664 13392 15066 20088 22599 23328 26784 29383 30132 40176 45198 58766 60264 80352 88149 90396 117532 120528 176298 180792 235064 241056 264447 352596 361584 470128 528894 705192 723168 793341 910873 940256 1057788 1410384 1586682 1821746 2115576 2380023 2732619 2820768 3173364 3643492 4231152 4760046 5465238 6346728 7140069 7286984 8197857 8462304 9520092 10930476 12693456 14280138 14573968 16395714 19040184 21420207 21860952 24593571 25386912 28560276 29147936 32791428 38080368 42840414 43721904 49187142 57120552 65582856 73780713 76160736 85680828 87443808 98374284 114241104 131165712 147561426 171361656 196748568 221342139 228482208 262331424 295122852 342723312 393497136 442684278 590245704 664026417 685446624 786994272 885368556 1180491408 1328052834 1770737112 2360982816 2656105668 3541474224 5312211336 7082948448 10624422672 21248845344
• Sum of all divisors σ(n): 64747291392
• Sum of proper divisors (its aliquot sum) s(n): 43498446048
• 21248845344 is an abundant number, because the sum of its proper divisors (43498446048) is greater than itself. Its abundance is 22249600704

Bases of 21248845344

• Binary: 10011110010100001111010011000100000₂
• Hexadecimal: 0x4F287A620
• Base-36: 9RF0I00

Squares and roots of 21248845344

• 21248845344 squared (21248845344²) is 451513428453230478336
• 21248845344 cubed (21248845344³) is 9594139011941903571348806467584
• The square root of 21248845344 is 145769.8368799251
• The cube root of 21248845344 is 2769.7789596283

Scales and comparisons

• 21,248,845,344 seconds is equal to 675 years, 33 weeks, 4 days, 17 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,248,845,344 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 21248845344 cubic inches would be around 230.8 feet tall.

Recreational maths with 21248845344

• 21248845344 backwards is 44354884212
• The number of decimal digits it has is: 11
• The sum of 21248845344's digits is 45
• More coming soon!