168402871728

Names of 168402871728

• Cardinal: 168402871728 can be written as One hundred sixty-eight billion, four hundred two million, eight hundred seventy-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.68402871728 × 10¹¹

Factors of 168402871728

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2352

Divisors of 168402871728

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 47 48 52 56 63 72 78 84 91 94 104 112 117 126 127 141 144 156 168 182 188 208 234 252 254 273 282 312 329 336 364 376 381 423 468 504 508 546 564 611 624 658 728 752 762 819 846 889 936 987 1008 1016 1092 1128 1143 1222 1316 1456 1524 1638 1651 1692 1778 1833 1872 1974 2032 2153 2184 2256 2286 2444 2632 2667 2961 3048 3276 3302 3384 3556 3666 3948 4277 4306 4368 4572 4888 4953 5264 5334 5499 5922 5969 6096 6459 6552 6604 6768 7112 7332 7896 8001 8554 8612 9144 9776 9906 10668 10998 11557 11844 11938 12831 12918 13104 13208 14224 14664 14859 15071 15792 16002 17108 17224 17907 18288 19377 19812 21336 21996 23114 23688 23876 25662 25836 26416 27989 29328 29718 30142 32004 34216 34448 34671 35814 38493 38754 39624 41783 42672 43992 45213 46228 47376 47752 51324 51672 53721 55978 59436 60284 64008 68432 69342 71628 76986 77508 77597 79248 83566 83967 87984 90426 92456 95504 101191 102648 103344 104013 107442 111956 118872 120568 125349 128016 135639 138684 143256 153972 155016 155194 167132 167934 180852 184912 195923 202382 205296 208026 214884 223912 232791 237744 241136 250698 251901 271278 273431 277368 286512 303573 307944 310032 310388 334264 335868 361704 376047 391846 404764 416052 429768 447824 465582 501396 503802 542556 543179 546862 554736 587769 607146 615888 620776 668528 671736 698373 708337 723408 752094 783692 809528 820293 832104 859536 910719 931164 1002792 1007604 1085112 1086358 1093724 1175538 1214292 1241552 1315483 1343472 1396746 1416674 1504188 1567384 1619056 1629537 1640586 1664208 1763307 1821438 1862328 1914017 2005584 2015208 2125011 2170224 2172716 2187448 2351076 2428584 2460879 2630966 2793492 2833348 3008376 3134768 3259074 3281172 3526614 3554603 3642876 3724656 3828034 3946449 4030416 4250022 4345432 4374896 4702152 4857168 4888611 4921758 5261932 5586984 5666696 5742051 6016752 6375033 6518148 6562344 7053228 7109206 7285752 7656068 7892898 8500044 8690864 9208381 9404304 9777222 9843516 10523864 10663809 11173968 11333392 11484102 11839347 12750066 12851257 13036296 13124688 14106456 14218412 14571504 15312136 15785796 17000088 17226153 18416762 19554444 19687032 21047728 21327618 22968204 23678694 24882221 25500132 25702514 26072592 27625143 28212912 28436824 30624272 31571592 31991427 34000176 34452306 36833524 38553771 39108888 39374064 42655236 45936408 47357388 49764442 51000264 51405028 55250286 56873648 63143184 63982854 68904612 73667048 74646663 77107542 78217776 82875429 85310472 89958799 91872816 94714776 99528884 102000528 102810056 110500572 115661313 127965708 137809224 147334096 149293326 154215084 165750858 167066341 170620944 179917598 189429552 199057768 205620112 221001144 223939989 231322626 255931416 269876397 275618448 298586652 308430168 331501716 334132682 359835196 398115536 442002288 447879978 462645252 501199023 511862832 539752794 597173304 616860336 663003432 668265364 719670392 809629191 895759956 925290504 1002398046 1079505588 1169464387 1194346608 1326006864 1336530728 1439340784 1503597069 1619258382 1791519912 1850581008 2004796092 2159011176 2338928774 2673061456 3007194138 3238516764 3508393161 3583039824 4009592184 4318022352 4677857548 6014388276 6477033528 7016786322 8019184368 9355715096 10525179483 12028776552 12954067056 14033572644 18711430192 21050358966 24057553104 28067145288 42100717932 56134290576 84201435864 168402871728
• Sum of all divisors σ(n): 597337767936
• Sum of proper divisors (its aliquot sum) s(n): 428934896208
• 168402871728 is an abundant number, because the sum of its proper divisors (428934896208) is greater than itself. Its abundance is 260532024480

Bases of 168402871728

• Binary: 10011100110101100101111110010110110000₂
• Hexadecimal: 0x273597E5B0
• Base-36: 25D2PZG0

Squares and roots of 168402871728

• 168402871728 squared (168402871728²) is 28359527206237221705984
• 168402871728 cubed (168402871728³) is 4775825822378693048491920882020352
• The square root of 168402871728 is 410369.1895452191
• The cube root of 168402871728 is 5522.2555165005

Scales and comparisons

• 168,402,871,728 seconds is equal to 5,354 years, 35 weeks, 6 days, 7 hours, 28 minutes, 48 seconds.
• To count from 1 to 168,402,871,728 would take you about ten thousand, seven hundred nine 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 168402871728 cubic inches would be around 460.2 feet tall.

Recreational maths with 168402871728

• 168402871728 backwards is 827178204861
• The number of decimal digits it has is: 12
• The sum of 168402871728's digits is 54
• More coming soon!