20689509792

Names of 20689509792

• Cardinal: 20689509792 can be written as Twenty billion, six hundred eighty-nine million, five hundred nine thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 2.0689509792 × 10¹⁰

Factors of 20689509792

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1600

Divisors of 20689509792

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 23 24 28 32 38 42 46 47 48 56 57 69 76 84 92 94 96 112 114 133 138 141 152 161 168 184 188 224 228 266 276 282 304 322 329 336 368 376 399 437 456 483 532 552 564 608 644 658 672 736 752 798 874 893 912 966 987 1064 1081 1104 1128 1288 1311 1316 1499 1504 1596 1748 1786 1824 1932 1974 2128 2162 2208 2256 2576 2622 2632 2679 2998 3059 3192 3243 3496 3572 3864 3948 4256 4324 4497 4512 5152 5244 5264 5358 5996 6118 6251 6384 6486 6992 7144 7567 7728 7896 8648 8994 9177 10488 10493 10528 10716 11992 12236 12502 12768 12972 13984 14288 15134 15456 15792 17296 17988 18354 18753 20539 20976 20986 21432 22701 23984 24472 25004 25944 28481 28576 30268 31479 31584 34477 34592 35976 36708 37506 41078 41952 41972 42864 45402 47968 48944 50008 51888 56962 60536 61617 62958 68954 70453 71952 73416 75012 82156 83944 85443 85728 90804 97888 100016 103431 103776 113924 121072 123234 125916 137908 140906 143773 143904 146832 150024 164312 167888 170886 181608 199367 200032 206862 211359 227848 241339 242144 246468 251832 275816 281812 287546 293664 300048 328624 335776 341772 363216 398734 413724 422718 431319 455696 482678 492936 493171 503664 551632 563624 575092 598101 600096 655063 657248 683544 724017 726432 797468 827448 845436 862638 911392 965356 985872 986342 1007328 1103264 1127248 1150184 1196202 1310126 1338607 1367088 1448034 1479513 1594936 1620419 1654896 1690872 1725276 1930712 1965189 1971744 1972684 2254496 2300368 2392404 2620252 2677214 2734176 2896068 2959026 3189872 3240838 3309792 3381744 3450552 3861424 3930378 3945368 4015821 4585441 4600736 4784808 4861257 5240504 5354428 5792136 5918052 6379744 6481676 6763488 6901104 7722848 7860756 7890736 8031642 9170882 9370249 9569616 9722514 10481008 10708856 11342933 11584272 11836104 12963352 13756323 13802208 15721512 15781472 16063284 18341764 18740498 19139232 19445028 20962016 21417712 22685866 23168544 23672208 25926704 27512646 28110747 30787961 31443024 32126568 34028799 36683528 37480996 38890056 42835424 45371732 47344416 51853408 55025292 56221494 61575922 62886048 64253136 68057598 73367056 74961992 77780112 90743464 92363883 110050584 112442988 123151844 128506272 136115196 146734112 149923984 155560224 181486928 184727766 215515727 220101168 224885976 246303688 272230392 299847968 362973856 369455532 431031454 440202336 449771952 492607376 544460784 646547181 738911064 862062908 899543904 985214752 1088921568 1293094362 1477822128 1724125816 2586188724 2955644256 3448251632 5172377448 6896503264 10344754896 20689509792
• Sum of all divisors σ(n): 69672960000
• Sum of proper divisors (its aliquot sum) s(n): 48983450208
• 20689509792 is an abundant number, because the sum of its proper divisors (48983450208) is greater than itself. Its abundance is 28293940416

Bases of 20689509792

• Binary: 10011010001001100001101110110100000₂
• Hexadecimal: 0x4D130DDA0
• Base-36: 9I5ZZXC

Squares and roots of 20689509792

• 20689509792 squared (20689509792²) is 428055815433263883264
• 20689509792 cubed (20689509792³) is 8856264984929057835310472921088
• The square root of 20689509792 is 143838.4850865721
• The cube root of 20689509792 is 2745.2594821081

Scales and comparisons

• 20,689,509,792 seconds is equal to 657 years, 44 weeks, 5 days, 22 hours, 3 minutes, 12 seconds.
• To count from 1 to 20,689,509,792 would take you about one thousand, three hundred fifteen 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 20689509792 cubic inches would be around 228.8 feet tall.

Recreational maths with 20689509792

• 20689509792 backwards is 29790598602
• 20689509792 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20689509792's digits is 57
• More coming soon!