31428873216
31,428,873,216 is an even composite number composed of five prime numbers multiplied together.
31428873216 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred ninety-six divisors.
Prime factorization of 31428873216:
210 × 32 × 132 × 17 × 1187
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 13 × 17 × 1187)See below for interesting mathematical facts about the number 31428873216 from the Numbermatics database.
Names of 31428873216
- Cardinal: 31428873216 can be written as Thirty-one billion, four hundred twenty-eight million, eight hundred seventy-three thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 3.1428873216 × 1010
Factors of 31428873216
Divisors of 31428873216
- Number of divisors d(n): 396
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 17 18 24 26 32 34 36 39 48 51 52 64 68 72 78 96 102 104 117 128 136 144 153 156 169 192 204 208 221 234 256 272 288 306 312 338 384 408 416 442 468 507 512 544 576 612 624 663 676 768 816 832 884 936 1014 1024 1088 1152 1187 1224 1248 1326 1352 1521 1536 1632 1664 1768 1872 1989 2028 2176 2304 2374 2448 2496 2652 2704 2873 3042 3072 3264 3328 3536 3561 3744 3978 4056 4352 4608 4748 4896 4992 5304 5408 5746 6084 6528 6656 7072 7122 7488 7956 8112 8619 8704 9216 9496 9792 9984 10608 10683 10816 11492 12168 13056 13312 14144 14244 14976 15431 15912 16224 17238 17408 18992 19584 19968 20179 21216 21366 21632 22984 24336 25857 26112 28288 28488 29952 30862 31824 32448 34476 37984 39168 39936 40358 42432 42732 43264 45968 46293 48672 51714 52224 56576 56976 59904 60537 61724 63648 64896 68952 75968 78336 80716 84864 85464 86528 91936 92586 97344 103428 113152 113952 119808 121074 123448 127296 129792 137904 138879 151936 156672 161432 169728 170928 173056 181611 183872 185172 194688 200603 206856 226304 227904 242148 246896 254592 259584 262327 275808 277758 303872 322864 339456 341856 363222 367744 370344 389376 401206 413712 455808 484296 493792 509184 519168 524654 551616 555516 601809 607744 645728 678912 683712 726444 735488 740688 778752 786981 802412 827424 911616 968592 987584 1018368 1049308 1103232 1111032 1203618 1215488 1291456 1367424 1452888 1470976 1481376 1557504 1573962 1604824 1654848 1805427 1823232 1937184 1975168 2036736 2098616 2206464 2222064 2360943 2407236 2582912 2734848 2905776 2941952 2962752 3147924 3209648 3309696 3410251 3610854 3646464 3874368 3950336 4197232 4412928 4444128 4721886 4814472 5165824 5469696 5811552 5925504 6295848 6419296 6619392 6820502 7221708 7748736 7900672 8394464 8825856 8888256 9443772 9628944 10230753 10331648 10939392 11623104 11851008 12591696 12838592 13238784 13641004 14443416 15497472 15801344 16788928 17776512 18887544 19257888 20461506 20663296 23246208 23702016 25183392 25677184 26477568 27282008 28886832 30692259 30994944 33577856 35553024 37775088 38515776 40923012 46492416 47404032 50366784 51354368 54564016 57773664 61384518 61989888 67155712 71106048 75550176 77031552 81846024 92984832 100733568 102708736 109128032 115547328 122769036 134311424 142212096 151100352 154063104 163692048 185969664 201467136 205417472 218256064 231094656 245538072 268622848 302200704 308126208 327384096 402934272 436512128 462189312 491076144 604401408 616252416 654768192 805868544 873024256 924378624 982152288 1208802816 1309536384 1746048512 1848757248 1964304576 2417605632 2619072768 3492097024 3928609152 5238145536 7857218304 10476291072 15714436608 31428873216
- Sum of all divisors σ(n): 104136081192
- Sum of proper divisors (its aliquot sum) s(n): 72707207976
- 31428873216 is an abundant number, because the sum of its proper divisors (72707207976) is greater than itself. Its abundance is 41278334760
Bases of 31428873216
- Binary: 111010100010100111010001100000000002
- Hexadecimal: 0x7514E8C00
- Base-36: EFRXTS0
Squares and roots of 31428873216
- 31428873216 squared (314288732162) is 987774071627402182656
- 31428873216 cubed (314288732163) is 31044626063229725990137098141696
-
The
square root of 31428873216 is 177281.9032388811 -
The
cube root of 31428873216 is 3155.8009580167
Scales and comparisons
How big is 31428873216?- 31,428,873,216 seconds is equal to 999 years, 17 weeks, 5 days, 2 hours, 33 minutes, 36 seconds.
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To count from 1 to 31,428,873,216 would take you about one thousand, nine hundred ninety-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 31428873216 cubic inches would be around 263 feet tall.
Recreational maths with 31428873216
- 31428873216 backwards is 61237882413
- The number of decimal digits it has is: 11
- The sum of 31428873216's digits is 45
- More coming soon!
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