6990978398690
6,990,978,398,690 is an even composite number composed of eight prime numbers multiplied together.
6990978398690 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 6990978398690:
2 × 5 × 11 × 13 × 19 × 151 × 757 × 2251
See below for interesting mathematical facts about the number 6990978398690 from the Numbermatics database.
Names of 6990978398690
- Cardinal: 6990978398690 can be written as Six trillion, nine hundred ninety billion, nine hundred seventy-eight million, three hundred ninety-eight thousand, six hundred ninety.
Scientific notation
- Scientific notation: 6.99097839869 × 1012
Factors of 6990978398690
Divisors of 6990978398690
- Number of divisors d(n): 256
-
Complete list of divisors:
1 2 5 10 11 13 19 22 26 38 55 65 95 110 130 143 151 190 209 247 286 302 418 494 715 755 757 1045 1235 1430 1510 1514 1661 1963 2090 2251 2470 2717 2869 3322 3785 3926 4502 5434 5738 7570 8305 8327 9815 9841 11255 13585 14345 14383 16610 16654 19630 19682 21593 22510 24761 27170 28690 28766 29263 31559 37297 41635 42769 43186 49205 49522 58526 63118 71915 74594 83270 85538 98410 107965 108251 114307 123805 143830 146315 157795 158213 186485 186979 213845 215930 216502 228614 247610 292630 315590 316426 321893 339901 372970 373958 410267 427690 470459 541255 555997 571535 643786 679802 791065 820534 934895 940918 1082510 1111994 1143070 1257377 1485991 1582130 1609465 1699505 1704007 1869790 2051335 2056769 2171833 2352295 2514754 2779985 2971982 3218930 3399010 3408014 3738911 4102670 4113538 4343666 4418713 4704590 5559970 6115967 6286885 6458119 7429955 7477822 8520035 8837426 10283845 10859165 12231934 12573770 12916238 14859910 16345901 17040070 18694555 18744077 20567690 21718330 22093565 22152091 23890163 28233829 30579835 32290595 32376133 32691802 37389110 37488154 44187130 44304182 47780326 48605843 56467658 61159670 64581190 64752266 71039309 81729505 83955547 93720385 97211686 110760455 119450815 141169145 142078618 161880665 163459010 167911094 187440770 221520910 238901630 243029215 243673001 257305057 282338290 310572119 323761330 355196545 356137463 419777735 420889729 486058430 487346002 514610114 621144238 710393090 712274926 839555470 841779458 923511017 1218365005 1286525285 1552860595 1780687315 1847022034 2104448645 2436730010 2573050570 2830355627 3105721190 3344965741 3561374630 4208897290 4617555085 4629787019 4888796083 5660711254 6689931482 9235110170 9259574038 9777592166 14151778135 16724828705 23148935095 24443980415 28303556270 33449657410 36794623151 46297870190 48887960830 53776756913 63554349079 73589246302 107553513826 127108698158 183973115755 268883784565 317771745395 367946231510 537767569130 635543490790 699097839869 1398195679738 3495489199345 6990978398690
- Sum of all divisors σ(n): 15692529807360
- Sum of proper divisors (its aliquot sum) s(n): 8701551408670
- 6990978398690 is an abundant number, because the sum of its proper divisors (8701551408670) is greater than itself. Its abundance is 1710573009980
Bases of 6990978398690
- Binary: 11001011011101101101100100010111001111000102
- Hexadecimal: 0x65BB6C8B9E2
- Base-36: 2H7M01BS2
Squares and roots of 6990978398690
- 6990978398690 squared (69909783986902) is 48873778970950196593716100
- 6990978398690 cubed (69909783986903) is 341675533048262401410478073294471909000
-
The
square root of 6990978398690 is 2644045.8389918281 -
The
cube root of 6990978398690 is 19121.0903412061
Scales and comparisons
How big is 6990978398690?- 6,990,978,398,690 seconds is equal to 222,291 years, 25 weeks, 2 days, 20 hours, 4 minutes, 50 seconds.
-
To count from 1 to 6,990,978,398,690 would take you about five hundred fifty-five thousand, seven hundred twenty-eight 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 6990978398690 cubic inches would be around 1593.4 feet tall.
Recreational maths with 6990978398690
- 6990978398690 backwards is 0968938790996
- The number of decimal digits it has is: 13
- The sum of 6990978398690's digits is 83
- More coming soon!
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