61389618640
61,389,618,640 is an even composite number composed of six prime numbers multiplied together.
61389618640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 61389618640:
24 × 5 × 73 × 19 × 73 × 1613
(2 × 2 × 2 × 2 × 5 × 7 × 7 × 7 × 19 × 73 × 1613)See below for interesting mathematical facts about the number 61389618640 from the Numbermatics database.
Names of 61389618640
- Cardinal: 61389618640 can be written as Sixty-one billion, three hundred eighty-nine million, six hundred eighteen thousand, six hundred forty.
Scientific notation
- Scientific notation: 6.138961864 × 1010
Factors of 61389618640
Divisors of 61389618640
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 49 56 70 73 76 80 95 98 112 133 140 146 152 190 196 245 266 280 292 304 343 365 380 392 490 511 532 560 584 665 686 730 760 784 931 980 1022 1064 1168 1330 1372 1387 1460 1520 1613 1715 1862 1960 2044 2128 2555 2660 2744 2774 2920 3226 3430 3577 3724 3920 4088 4655 5110 5320 5488 5548 5840 6452 6517 6860 6935 7154 7448 8065 8176 9310 9709 10220 10640 11096 11291 12904 13034 13720 13870 14308 14896 16130 17885 18620 19418 20440 22192 22582 25039 25808 26068 27440 27740 28616 30647 32260 32585 35770 37240 38836 40880 45164 48545 50078 52136 55480 56455 57232 61294 64520 65170 67963 71540 74480 77672 79037 90328 97090 100156 104272 110960 112910 117749 122588 125195 129040 130340 135926 143080 153235 155344 158074 180656 194180 200312 214529 225820 235498 245176 250390 260680 271852 286160 306470 316148 339815 388360 395185 400624 429058 451640 470996 475741 490352 500780 521360 543704 553259 588745 612940 632296 679630 776720 790370 824243 858116 903280 941992 951482 1001560 1072645 1087408 1106518 1177490 1225880 1264592 1359260 1501703 1580740 1648486 1716232 1883984 1902964 2003120 2145290 2213036 2237231 2354980 2378705 2451760 2718520 2766295 3003406 3161480 3296972 3432464 3805928 4121215 4290580 4426072 4474462 4709960 4757410 5437040 5532590 5769701 6006812 6322960 6593944 7508515 7611856 8242430 8581160 8852144 8948924 9419920 9514820 10511921 11065180 11186155 11539402 12013624 13187888 15017030 15660617 16484860 17162320 17897848 19029640 21023842 22130360 22372310 23078804 24027248 28848505 30034060 31321234 32969720 35795696 38059280 40387907 42047684 44260720 44744620 46157608 52559605 57697010 60068120 62642468 65939440 78303085 80775814 84095368 89489240 92315216 105119210 109624319 115394020 120136240 125284936 156606170 161551628 168190736 178978480 201939535 210238420 219248638 230788040 250569872 313212340 323103256 403879070 420476840 438497276 461576080 548121595 626424680 646206512 767370233 807758140 840953680 876994552 1096243190 1252849360 1534740466 1615516280 1753989104 2192486380 3069480932 3231032560 3836851165 4384972760 6138961864 7673702330 8769945520 12277923728 15347404660 30694809320 61389618640
- Sum of all divisors σ(n): 177720768000
- Sum of proper divisors (its aliquot sum) s(n): 116331149360
- 61389618640 is an abundant number, because the sum of its proper divisors (116331149360) is greater than itself. Its abundance is 54941530720
Bases of 61389618640
- Binary: 1110010010110001101100111101110100002
- Hexadecimal: 0xE4B1B3DD0
- Base-36: S79SKWG
Squares and roots of 61389618640
- 61389618640 squared (613896186402) is 3768685276764635449600
- 61389618640 cubed (613896186403) is 231358151914763823289568940544000
-
The
square root of 61389618640 is 247769.2851020885 -
The
cube root of 61389618640 is 3944.8604552465
Scales and comparisons
How big is 61389618640?- 61,389,618,640 seconds is equal to 1,951 years, 51 weeks, 6 days, 23 hours, 50 minutes, 40 seconds.
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To count from 1 to 61,389,618,640 would take you about three thousand, nine hundred 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 61389618640 cubic inches would be around 328.7 feet tall.
Recreational maths with 61389618640
- 61389618640 backwards is 04681698316
- The number of decimal digits it has is: 11
- The sum of 61389618640's digits is 52
- More coming soon!
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