163998019640

Names of 163998019640

• Cardinal: 163998019640 can be written as One hundred sixty-three billion, nine hundred ninety-eight million, nineteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.6399801964 × 10¹¹

Factors of 163998019640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 50

Divisors of 163998019640

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 20 23 26 28 35 40 46 49 52 56 65 70 91 92 98 104 115 130 140 161 182 184 196 230 245 260 280 299 322 364 392 455 460 490 520 529 598 637 644 728 805 910 920 980 1058 1127 1196 1274 1288 1495 1610 1820 1960 2093 2116 2254 2392 2548 2645 2990 3185 3220 3640 3703 4186 4232 4508 5096 5290 5635 5980 6370 6440 6877 7406 8372 9016 10465 10580 11270 11960 12167 12740 13754 14651 14812 16744 18515 20930 21160 22540 24334 25480 25921 27508 29302 29624 34385 37030 41860 45080 48139 48668 51842 55016 58604 60835 68770 73255 74060 83720 85169 96278 97336 103684 117208 121670 129605 137540 146510 148120 158171 170338 192556 207368 240695 243340 259210 275080 279841 293020 316342 336973 340676 385112 425845 481390 486680 518420 559682 586040 596183 632684 673946 681352 790855 851690 962780 1036840 1107197 1119364 1192366 1265368 1347892 1399205 1581710 1684865 1703380 1925560 1958887 2214394 2238728 2384732 2695784 2798410 2980915 3163420 3369730 3406760 3637933 3917774 4428788 4769464 5535985 5596820 5961830 6326840 6436343 6739460 7275866 7750379 7835548 8857576 9794435 11071970 11193640 11923660 12872686 13478920 13712209 14551732 15500758 15671096 18189665 19588870 22143940 23847320 25465531 25745372 27424418 29103464 31001516 32181715 36379330 38751895 39177740 44287880 45054401 50931062 51490744 54848836 62003032 64363430 68561045 72758660 77503790 78355480 83672459 90108802 101862124 109697672 127327655 128726860 137122090 145517320 155007580 167344918 178258717 180217604 203724248 225272005 254655310 257453720 274244180 310015160 315380807 334689836 356517434 360435208 418362295 450544010 509310620 548488360 585707213 630761614 669379672 713034868 836724590 891293585 901088020 1018621240 1171414426 1261523228 1426069736 1576904035 1673449180 1782587170 1802176040 2342828852 2523046456 2928536065 3153808070 3346898360 3565174340 4099950491 4685657704 5857072130 6307616140 7130348680 8199900982 11714144260 12615232280 16399801964 20499752455 23428288520 32799603928 40999504910 81999009820 163998019640
• Sum of all divisors σ(n): 483269885280
• Sum of proper divisors (its aliquot sum) s(n): 319271865640
• 163998019640 is an abundant number, because the sum of its proper divisors (319271865640) is greater than itself. Its abundance is 155273846000

Bases of 163998019640

• Binary: 10011000101111000010110011000000111000₂
• Hexadecimal: 0x262F0B3038
• Base-36: 23C86PTK

Squares and roots of 163998019640

• 163998019640 squared (163998019640²) is 26895350445841825729600
• 163998019640 cubed (163998019640³) is 4410784210641850492336398129344000
• The square root of 163998019640 is 404966.6895437203
• The cube root of 163998019640 is 5473.6816423849

Scales and comparisons

• 163,998,019,640 seconds is equal to 5,214 years, 32 weeks, 5 days, 5 hours, 27 minutes, 20 seconds.
• To count from 1 to 163,998,019,640 would take you about ten thousand, four hundred twenty-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 163998019640 cubic inches would be around 456.1 feet tall.

Recreational maths with 163998019640

• 163998019640 backwards is 046910899361
• 163998019640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 163998019640's digits is 56
• More coming soon!