168357210021

Names of 168357210021

• Cardinal: 168357210021 can be written as One hundred sixty-eight billion, three hundred fifty-seven million, two hundred ten thousand and twenty-one.

Scientific notation

• Scientific notation: 1.68357210021 × 10¹¹

Factors of 168357210021

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 161

Divisors of 168357210021

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 7 9 11 13 21 27 33 39 49 63 77 91 99 117 121 127 143 147 169 189 231 273 297 343 351 363 381 429 441 507 539 637 693 819 847 889 1001 1029 1089 1143 1183 1287 1323 1397 1521 1573 1617 1651 1859 1911 2079 2401 2457 2541 2667 3003 3087 3267 3429 3549 3773 3861 4191 4459 4563 4719 4851 4953 5577 5733 5929 6223 7007 7203 7623 8001 8281 9009 9261 9779 10647 11011 11319 11557 12573 13013 13377 14157 14553 14859 15367 16731 17199 17787 18161 18669 20449 21021 21463 21609 22869 24003 24843 26411 27027 29337 31213 31941 33033 33957 34671 37719 39039 40131 41503 42471 43561 44577 46101 49049 50193 53361 54483 56007 57967 61347 63063 64389 64827 68453 74529 77077 79233 80899 88011 91091 93639 99099 101871 104013 107569 117117 120393 124509 127127 130683 138303 143143 147147 150241 160083 163449 168021 173901 184041 189189 193167 199771 205359 223587 231231 236093 237699 242697 264033 273273 280917 290521 297297 304927 312039 322707 343343 351351 373527 381381 392049 405769 414909 429429 441441 450723 479171 490347 521703 539539 552123 566293 579501 599313 616077 637637 693693 708279 713097 728091 752983 819819 842751 871563 889889 914781 968121 1002001 1030029 1051687 1120581 1144143 1176147 1217307 1288287 1324323 1352169 1398397 1437513 1565109 1618617 1652651 1698879 1797939 1848231 1912911 2081079 2124837 2184273 2258949 2459457 2597023 2614689 2669667 2744343 2904363 3006003 3090087 3155061 3354197 3432429 3651921 3776773 3864861 3964051 4056507 4195191 4312539 4463459 4855851 4957953 5096637 5270881 5393817 5738733 6229223 6374511 6776847 7014007 7361809 7791069 7844067 8009001 8233029 9018009 9270261 9465183 9788779 10062591 10955763 11330319 11568557 11892153 12585573 12937617 13390377 14567553 14873859 15289911 15812643 17216199 18179161 18687669 20330541 21042021 22085427 23373207 24027003 27054027 28395549 29366337 30187773 33990957 34705671 35676459 36896167 37756719 40171131 43604561 44621577 47437929 49098049 51532663 54537483 56063007 63126063 66256281 68521453 70119621 80979899 88099011 90563319 101972871 104117013 107029377 110688501 120513393 127254127 130813683 142313787 147294147 154597989 163612449 168189021 189378189 198768843 205564359 242939697 264297033 312351039 332065503 381762381 392441049 441882441 463793967 479650171 490837347 566859293 616693077 728819091 890778889 996196509 1145287143 1177323147 1325647323 1391381901 1438950513 1700577879 1850079231 2186457273 2672336667 3435861429 4316851539 5101733637 6235452223 8017010001 12950554617 15305200911 18706356669 24051030003 56119070007 168357210021
• Sum of all divisors σ(n): 349048519680
• Sum of proper divisors (its aliquot sum) s(n): 180691309659
• 168357210021 is an abundant number, because the sum of its proper divisors (180691309659) is greater than itself. Its abundance is 12334099638

Bases of 168357210021

• Binary: 10011100110010110111110010011110100101₂
• Hexadecimal: 0x2732DF27A5
• Base-36: 25CBJAN9

Squares and roots of 168357210021

• 168357210021 squared (168357210021²) is 28344150166055102820441
• 168357210021 cubed (168357210021³) is 4771942042373300970599734888839261
• The square root of 168357210021 is 410313.5508620207
• The cube root of 168357210021 is 5521.7563595195

Scales and comparisons

• 168,357,210,021 seconds is equal to 5,353 years, 12 weeks, 2 days, 19 hours, 40 minutes, 21 seconds.
• To count from 1 to 168,357,210,021 would take you about ten thousand, seven hundred six 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 168357210021 cubic inches would be around 460.1 feet tall.

Recreational maths with 168357210021

• 168357210021 backwards is 120012753861
• The number of decimal digits it has is: 12
• The sum of 168357210021's digits is 36
• More coming soon!