21308170752

Names of 21308170752

• Cardinal: 21308170752 can be written as Twenty-one billion, three hundred eight million, one hundred seventy thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 2.1308170752 × 10¹⁰

Factors of 21308170752

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3356

Divisors of 21308170752

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 128 131 132 144 176 192 198 256 262 264 288 352 384 393 396 512 524 528 576 704 768 786 792 1048 1056 1152 1179 1408 1441 1536 1572 1584 2096 2112 2304 2358 2816 2882 3144 3168 3209 4192 4224 4323 4608 4716 5632 5764 6288 6336 6418 8384 8448 8646 9432 9627 11528 12576 12672 12836 12969 16768 16896 17292 18864 19254 23056 25152 25344 25672 25938 28881 33536 34584 35299 37728 38508 46112 50304 50688 51344 51876 57762 67072 69168 70598 75456 77016 92224 100608 102688 103752 105897 115524 138336 141196 150912 154032 184448 201216 205376 207504 211794 231048 276672 282392 301824 308064 317691 368896 410752 415008 420379 423588 462096 553344 564784 603648 616128 635382 737792 821504 830016 840758 847176 924192 1106688 1129568 1232256 1261137 1270764 1643008 1660032 1681516 1694352 1848384 2213376 2259136 2464512 2522274 2541528 3320064 3363032 3388704 3696768 3783411 4518272 4624169 4929024 5044548 5083056 6640128 6726064 6777408 7393536 7566822 9036544 9248338 10089096 10166112 13452128 13554816 13872507 14787072 15133644 18073088 18496676 20178192 20332224 26904256 27109632 27745014 30267288 36993352 40356384 40664448 41617521 53808512 54219264 55490028 60534576 73986704 80712768 81328896 83235042 107617024 110980056 121069152 147973408 161425536 162657792 166470084 215234048 221960112 242138304 295946816 322851072 332940168 443920224 484276608 591893632 645702144 665880336 887840448 968553216 1183787264 1331760672 1775680896 1937106432 2367574528 2663521344 3551361792 5327042688 7102723584 10654085376 21308170752
• Sum of all divisors σ(n): 67620627360
• Sum of proper divisors (its aliquot sum) s(n): 46312456608
• 21308170752 is an abundant number, because the sum of its proper divisors (46312456608) is greater than itself. Its abundance is 25004285856

Bases of 21308170752

• Binary: 10011110110000100001110001000000000₂
• Hexadecimal: 0x4F610E200
• Base-36: 9SEC1S0

Squares and roots of 21308170752

• 21308170752 squared (21308170752²) is 454038140796388245504
• 21308170752 cubed (21308170752³) is 9674722232010058000084928299008
• The square root of 21308170752 is 145973.1850443773
• The cube root of 21308170752 is 2772.3542459389

Scales and comparisons

• 21,308,170,752 seconds is equal to 677 years, 27 weeks, 5 days, 8 hours, 19 minutes, 12 seconds.
• To count from 1 to 21,308,170,752 would take you about one thousand, three hundred fifty-five 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 21308170752 cubic inches would be around 231 feet tall.

Recreational maths with 21308170752

• 21308170752 backwards is 25707180312
• 21308170752 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21308170752's digits is 36
• More coming soon!