21077148672

Names of 21077148672

• Cardinal: 21077148672 can be written as Twenty-one billion, seventy-seven million, one hundred forty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1077148672 × 10¹⁰

Factors of 21077148672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 137

Divisors of 21077148672

• Number of divisors d(n): 330
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 59 64 72 73 81 96 108 118 128 144 146 162 177 192 216 219 236 256 288 292 324 354 384 432 438 472 512 531 576 584 648 657 708 768 864 876 944 1024 1062 1152 1168 1296 1314 1416 1536 1593 1728 1752 1888 1971 2124 2304 2336 2592 2628 2832 3072 3186 3456 3481 3504 3776 3942 4248 4307 4608 4672 4779 5184 5256 5664 5913 6372 6912 6962 7008 7552 7884 8496 8614 9216 9344 9558 10368 10443 10512 11328 11826 12744 12921 13824 13924 14016 15104 15768 16992 17228 18688 19116 20736 20886 21024 22656 23652 25488 25842 27648 27848 28032 30208 31329 31536 33984 34456 37376 38232 38763 41472 41772 42048 45312 47304 50976 51684 55696 56064 60416 62658 63072 67968 68912 74752 76464 77526 82944 83544 84096 90624 93987 94608 101952 103368 111392 112128 116289 125316 126144 135936 137824 152928 155052 167088 168192 181248 187974 189216 203904 206736 222784 224256 232578 250632 252288 254113 271872 275648 281961 305856 310104 334176 336384 348867 375948 378432 407808 413472 445568 465156 501264 504576 508226 543744 551296 563922 611712 620208 668352 672768 697734 751896 756864 762339 815616 826944 891136 930312 1002528 1009152 1016452 1102592 1127844 1223424 1240416 1336704 1395468 1503792 1513728 1524678 1631232 1653888 1782272 1860624 2005056 2018304 2032904 2205184 2255688 2287017 2446848 2480832 2673408 2790936 3007584 3027456 3049356 3307776 3564544 3721248 4010112 4065808 4410368 4511376 4574034 4893696 4961664 5346816 5581872 6015168 6054912 6098712 6615552 6861051 7442496 8020224 8131616 9022752 9148068 9923328 10693632 11163744 12030336 12197424 13231104 13722102 14884992 16040448 16263232 18045504 18296136 19846656 20583153 22327488 24060672 24394848 27444204 29769984 32080896 32526464 36091008 36592272 39693312 41166306 44654976 48121344 48789696 54888408 59539968 65052928 72182016 73184544 82332612 89309952 96242688 97579392 109776816 119079936 130105856 144364032 146369088 164665224 178619904 195158784 219553632 260211712 288728064 292738176 329330448 357239808 390317568 439107264 585476352 658660896 780635136 878214528 1170952704 1317321792 1756429056 2341905408 2634643584 3512858112 5269287168 7025716224 10538574336 21077148672
• Sum of all divisors σ(n): 64902415358
• Sum of proper divisors (its aliquot sum) s(n): 43825266686
• 21077148672 is an abundant number, because the sum of its proper divisors (43825266686) is greater than itself. Its abundance is 22748118014

Bases of 21077148672

• Binary: 10011101000010010111100010000000000₂
• Hexadecimal: 0x4E84BC400
• Base-36: 9OKSG00

Squares and roots of 21077148672

• 21077148672 squared (21077148672²) is 444246196141591363584
• 21077148672 cubed (21077148672³) is 9363443123046793932931174760448
• The square root of 21077148672 is 145179.7116404355
• The cube root of 21077148672 is 2762.2985766667

Scales and comparisons

• 21,077,148,672 seconds is equal to 670 years, 9 weeks, 5 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,077,148,672 would take you about one thousand, three hundred forty 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 21077148672 cubic inches would be around 230.2 feet tall.

Recreational maths with 21077148672

• 21077148672 backwards is 27684177012
• The number of decimal digits it has is: 11
• The sum of 21077148672's digits is 45
• More coming soon!