149947840
149,947,840 is an even composite number composed of five prime numbers multiplied together.
149947840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 149947840:
26 × 5 × 72 × 73 × 131
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 73 × 131)See below for interesting mathematical facts about the number 149947840 from the Numbermatics database.
Names of 149947840
- Cardinal: 149947840 can be written as One hundred forty-nine million, nine hundred forty-seven thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.4994784 × 108
Factors of 149947840
Divisors of 149947840
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 73 80 98 112 131 140 146 160 196 224 245 262 280 292 320 365 392 448 490 511 524 560 584 655 730 784 917 980 1022 1048 1120 1168 1310 1460 1568 1834 1960 2044 2096 2240 2336 2555 2620 2920 3136 3577 3668 3920 4088 4192 4585 4672 5110 5240 5840 6419 7154 7336 7840 8176 8384 9170 9563 10220 10480 11680 12838 14308 14672 15680 16352 17885 18340 19126 20440 20960 23360 25676 28616 29344 32095 32704 35770 36680 38252 40880 41920 47815 51352 57232 58688 64190 66941 71540 73360 76504 81760 95630 102704 114464 128380 133882 143080 146720 153008 163520 191260 205408 228928 256760 267764 286160 293440 306016 334705 382520 410816 468587 513520 535528 572320 612032 669410 765040 937174 1027040 1071056 1144640 1338820 1530080 1874348 2054080 2142112 2342935 2677640 3060160 3748696 4284224 4685870 5355280 7497392 9371740 10710560 14994784 18743480 21421120 29989568 37486960 74973920 149947840
- Sum of all divisors σ(n): 424263312
- Sum of proper divisors (its aliquot sum) s(n): 274315472
- 149947840 is an abundant number, because the sum of its proper divisors (274315472) is greater than itself. Its abundance is 124367632
Bases of 149947840
- Binary: 10001111000000000101110000002
- Hexadecimal: 0x8F005C0
- Base-36: 2H9WHS
Squares and roots of 149947840
- 149947840 squared (1499478402) is 22484354720665600
- 149947840 cubed (1499478403) is 3371480424157610082304000
-
The
square root of 149947840 is 12245.3191056827 -
The
cube root of 149947840 is 531.2676904837
Scales and comparisons
How big is 149947840?- 149,947,840 seconds is equal to 4 years, 39 weeks, 6 days, 12 hours, 10 minutes, 40 seconds.
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To count from 1 to 149,947,840 would take you about seven 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 149947840 cubic inches would be around 44.3 feet tall.
Recreational maths with 149947840
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