642211280040

Names of 642211280040

• Cardinal: 642211280040 can be written as Six hundred forty-two billion, two hundred eleven million, two hundred eighty thousand and forty.

Scientific notation

• Scientific notation: 6.4221128004 × 10¹¹

Factors of 642211280040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 13951

Divisors of 642211280040

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 17 20 22 24 30 33 34 40 44 51 55 60 66 68 85 88 102 110 120 121 132 136 165 170 187 204 220 242 255 264 289 330 340 363 374 408 440 484 510 561 578 605 660 680 726 748 867 935 968 1020 1122 1156 1210 1320 1331 1445 1452 1496 1734 1815 1870 2040 2057 2244 2312 2420 2662 2805 2890 2904 3179 3468 3630 3740 3993 4114 4335 4488 4840 5324 5610 5780 6171 6358 6655 6936 7260 7480 7986 8228 8670 9537 10285 10648 11220 11560 12342 12716 13310 13913 14520 15895 15972 16456 17340 19074 19965 20570 22440 22627 24684 25432 26620 27826 30855 31790 31944 34680 34969 38148 39930 41140 41739 45254 47685 49368 53240 55652 61710 63580 67881 69565 69938 76296 79860 82280 83478 90508 95370 104907 111304 113135 123420 127160 135762 139130 139876 153043 159720 166956 174845 181016 190740 208695 209814 226270 236521 246840 271524 278260 279752 306086 333912 339405 349690 381480 384659 417390 419628 452540 459129 473042 524535 543048 556520 612172 678810 699380 709563 765215 769318 834780 839256 905080 918258 946084 1049070 1153977 1182605 1224344 1357620 1398760 1419126 1530430 1538636 1669560 1683473 1836516 1892168 1923295 2098140 2295645 2307954 2365210 2601731 2715240 2838252 3060860 3077272 3366946 3547815 3673032 3846590 4020857 4196280 4591290 4615908 4730420 5050419 5203462 5676504 5769885 6121720 6733892 7095630 7693180 7805193 8041714 8417365 9182580 9231816 9460840 10100838 10406924 11539770 12062571 13008655 13467784 14191260 15386360 15610386 16083428 16834730 18365160 18518203 20104285 20201676 20813848 23079540 24125142 25252095 26017310 28382520 28619041 31220772 32166856 33669460 37036406 39025965 40208570 40403352 44229427 46159080 48250284 50504190 52034620 55554609 57238082 60312855 62441544 67338920 74072812 78051930 80417140 85857123 88458854 92591015 96500568 101008380 104069240 111109218 114476164 120625710 132688281 143095205 148145624 156103860 160834280 171714246 176917708 185182030 202016760 221147135 222218436 228952328 241251420 265376562 277773045 286190410 312207720 314809451 343428492 353835416 370364060 429285615 442294270 444436872 482502840 486523697 530753124 555546090 572380820 629618902 663441405 686856984 740728120 858571230 884588540 944428353 973047394 1061506248 1111092180 1144761640 1259237804 1326882810 1459571091 1574047255 1717142460 1769177080 1888856706 1946094788 2222184360 2432618485 2518475608 2653765620 2919142182 3148094510 3434284920 3777713412 3892189576 4722141765 4865236970 5307531240 5351760667 5838284364 6296189020 7297855455 7555426824 9444283530 9730473940 10703521334 11676568728 12592378040 14595710910 16055282001 18888567060 19460947880 21407042668 26758803335 29191421820 32110564002 37777134120 42814085336 53517606670 58382843640 64221128004 80276410005 107035213340 128442256008 160552820010 214070426680 321105640020 642211280040
• Sum of all divisors σ(n): 2251303009920
• Sum of proper divisors (its aliquot sum) s(n): 1609091729880
• 642211280040 is an abundant number, because the sum of its proper divisors (1609091729880) is greater than itself. Its abundance is 966880449840

Bases of 642211280040

• Binary: 1001010110000110110001100111010010101000₂
• Hexadecimal: 0x9586C674A8
• Base-36: 87100J3C

Squares and roots of 642211280040

• 642211280040 squared (642211280040²) is 412435328210615302401600
• 642211280040 cubed (642211280040³) is 264870620063856776071343222144064000
• The square root of 642211280040 is 801380.8582939823
• The cube root of 642211280040 is 8627.6524728973

Scales and comparisons

• 642,211,280,040 seconds is equal to 20,420 years, 17 weeks, 1 day, 22 hours, 14 minutes.
• To count from 1 to 642,211,280,040 would take you about forty thousand, eight 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 642211280040 cubic inches would be around 719 feet tall.

Recreational maths with 642211280040

• 642211280040 backwards is 040082112246
• 642211280040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642211280040's digits is 30
• More coming soon!