161398279168

Names of 161398279168

• Cardinal: 161398279168 can be written as One hundred sixty-one billion, three hundred ninety-eight million, two hundred seventy-nine thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.61398279168 × 10¹¹

Factors of 161398279168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 2250

Divisors of 161398279168

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 38 49 56 64 76 79 98 112 128 133 152 158 196 224 256 266 304 316 392 448 512 532 553 608 632 784 896 931 1024 1064 1106 1216 1264 1501 1568 1792 1862 2128 2143 2212 2432 2528 3002 3136 3584 3724 3871 4256 4286 4424 4864 5056 6004 6272 7168 7448 7742 8512 8572 8848 9728 10112 10507 12008 12544 14896 15001 15484 17024 17144 17696 19456 20224 21014 24016 25088 29792 30002 30968 34048 34288 35392 40448 40717 42028 48032 50176 59584 60004 61936 68096 68576 70784 73549 80896 81434 84056 96064 105007 119168 120008 123872 136192 137152 141568 147098 162868 168112 169297 192128 210014 238336 240016 247744 274304 283136 285019 294196 325736 336224 338594 384256 420028 476672 480032 495488 548608 566272 570038 588392 651472 672448 677188 768512 840056 953344 960064 990976 1097216 1140076 1176784 1185079 1302944 1344896 1354376 1537024 1680112 1920128 1981952 1995133 2194432 2280152 2353568 2370158 2605888 2689792 2708752 3216643 3360224 3840256 3963904 3990266 4560304 4707136 4740316 5211776 5379584 5417504 6433286 6720448 7680512 7980532 8295553 9120608 9414272 9480632 10423552 10759168 10835008 12866572 13440896 15361024 15961064 16591106 18241216 18828544 18961264 20847104 21670016 22516501 25733144 26881792 31922128 33182212 36482432 37657088 37922528 41694208 43340032 45033002 51466288 53763584 63844256 66364424 72964864 75314176 75845056 86680064 90066004 102932576 107527168 127688512 132728848 145929728 151690112 157615507 173360128 180132008 205865152 255377024 265457696 291859456 303380224 315231014 360264016 411730304 510754048 530915392 606760448 630462028 720528032 823460608 1021508096 1061830784 1213520896 1260924056 1441056064 1646921216 2043016192 2123661568 2521848112 2882112128 3293842432 4247323136 5043696224 5764224256 8494646272 10087392448 11528448512 20174784896 23056897024 40349569792 80699139584 161398279168
• Sum of all divisors σ(n): 400255641600
• Sum of proper divisors (its aliquot sum) s(n): 238857362432
• 161398279168 is an abundant number, because the sum of its proper divisors (238857362432) is greater than itself. Its abundance is 77459083264

Bases of 161398279168

• Binary: 10010110010100000101100100110000000000₂
• Hexadecimal: 0x2594164C00
• Base-36: 2258D98G

Squares and roots of 161398279168

• 161398279168 squared (161398279168²) is 26049404518391662772224
• 161398279168 cubed (161398279168³) is 4204329062619538178475121948229632
• The square root of 161398279168 is 401744.0468357931
• The cube root of 161398279168 is 5444.6040262585

Scales and comparisons

• 161,398,279,168 seconds is equal to 5,131 years, 50 weeks, 1 day, 15 hours, 19 minutes, 28 seconds.
• To count from 1 to 161,398,279,168 would take you about ten thousand, two hundred sixty-three 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 161398279168 cubic inches would be around 453.7 feet tall.

Recreational maths with 161398279168

• 161398279168 backwards is 861972893161
• The number of decimal digits it has is: 12
• The sum of 161398279168's digits is 61
• More coming soon!