21429149696

Names of 21429149696

• Cardinal: 21429149696 can be written as Twenty-one billion, four hundred twenty-nine million, one hundred forty-nine thousand, six hundred ninety-six.

Scientific notation

• Scientific notation: 2.1429149696 × 10¹⁰

Factors of 21429149696

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 119

Divisors of 21429149696

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 8 16 19 32 37 38 61 64 74 76 122 128 148 152 244 256 296 304 488 512 592 608 703 976 1024 1159 1184 1216 1406 1952 2048 2257 2318 2368 2432 2812 3721 3904 4096 4514 4636 4736 4864 5624 7442 7808 8192 9028 9272 9472 9728 11248 14884 15616 18056 18544 18944 19456 22496 29768 31232 36112 37088 37888 38912 42883 44992 59536 62464 70699 72224 74176 75776 77824 85766 89984 119072 124928 137677 141398 144448 148352 151552 155648 171532 179968 238144 249856 275354 282796 288896 296704 303104 343064 359936 476288 499712 550708 565592 577792 593408 686128 719872 952576 1101416 1131184 1155584 1186816 1372256 1439744 1905152 2202832 2262368 2311168 2373632 2615863 2744512 2879488 3810304 4405664 4524736 4622336 4747264 5231726 5489024 5758976 7620608 8811328 9049472 9244672 9494528 10463452 10978048 15241216 17622656 18098944 18489344 20926904 21956096 30482432 35245312 36197888 41853808 43912192 70490624 72395776 83707616 87824384 140981248 144791552 167415232 175648768 281962496 289583104 334830464 351297536 563924992 579166208 669660928 1127849984 1339321856 2678643712 5357287424 10714574848 21429149696
• Sum of all divisors σ(n): 47102435640
• Sum of proper divisors (its aliquot sum) s(n): 25673285944
• 21429149696 is an abundant number, because the sum of its proper divisors (25673285944) is greater than itself. Its abundance is 4244136248

Bases of 21429149696

• Binary: 10011111101010001101110000000000000₂
• Hexadecimal: 0x4FD46E000
• Base-36: 9UED1Q8

Squares and roots of 21429149696

• 21429149696 squared (21429149696²) is 459208456693576892416
• 21429149696 cubed (21429149696³) is 9840446760155792429268951105536
• The square root of 21429149696 is 146386.9860882449
• The cube root of 21429149696 is 2777.5911061747

Scales and comparisons

• 21,429,149,696 seconds is equal to 681 years, 19 weeks, 5 days, 13 hours, 34 minutes, 56 seconds.
• To count from 1 to 21,429,149,696 would take you about one thousand, three hundred sixty-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 21429149696 cubic inches would be around 231.5 feet tall.

Recreational maths with 21429149696

• 21429149696 backwards is 69694192412
• The number of decimal digits it has is: 11
• The sum of 21429149696's digits is 53
• More coming soon!